IDENTIFICATION: CDS header
Length:0
USAF: Identification FIXED-WEATHER-STATION USAF MASTER STATION CATALOG identifier
The identifier that represents a FIXED-WEATHER-STATION.
Length:6
NCDC: Identification FIXED-WEATHER-STATION NCDC WBAN identifier
The identifier that represents a FIXED-WEATHER-STATION.
Length:5
DATE: Identification GEOPHYSICAL-POINT-OBSERVATION date
The date of a GEOPHYSICAL-POINT-OBSERVATION.
Length:8
HRMN: Identification GEOPHYSICAL-POINT-OBSERVATION time
The time of a GEOPHYSICAL-POINT-OBSERVATION based on Coordinated Universal
Time Code (UTC).
Length:4
I: Identification GEOPHYSICAL-POINT-OBSERVATION data source flag
The flag of a GEOPHYSICAL-POINT-OBSERVATION showing the source or combination
of sources used in creating the observation.
Length:1
Default Value:9
Table of Values:
1: USAF hourly observation, candidate for merge with NCDC Surface Hourly (not yet merged, failed element cross-checks)
2: NCDC hourly observation, candidate for merge with USAF Surface Hourly (not yet merged, failed element cross-checks)
3: USAF hourly/NCDC hourly merged observation
4: USAF Surface Hourly observation
5: NCDC hourly observation
6: ASOS/AWOS observation from NCDC*
7: ASOS/AWOS observation merged with USAF Surface Hourly observation*
8: MAPSO observation (NCDC)*
A: USAF hourly/NCDC hourly precipitation merged observation, candidate for merge with NCDC Surface Hourly (not yet merged, failed element cross-checks)
B: NCDC hourly/NCDC hourly precipitation merged observation, candidate for merge with USAF Surface Hourly (not yet merged, failed element cross-checks)
C: USAF hourly/NCDC hourly/NCDC hourly precipitation merged observation
D: USAF hourly/NCDC hourly precipitation merged observation
E: NCDC hourly/NCDC hourly precipitation merged observation
F: Form OMR/1001 - Weather Bureau city office (keyed data)*
G: SAO surface airways observation, pre-1949 (keyed data)*
H: SAO surface airways observation, 1965-1981 format/period (keyed data)*
I: Climate Reference Network observation*
J: Cooperative Network observation*
K: Radiation Network observation*
L: Data from Climate Data Modernization Program (CDMP) data source*
M: National Renewable Energy Laboratory (NREL)*
N: NCAR / NCDC cooperative effort (various national datasets)*
TYPE: Identification GEOPHYSICAL-REPORT-TYPE code
The code that denotes the type of geophysical surface observation.
Length:5
Default Value:99999
Table of Values:
AERO: Aerological report
AUST: Dataset from Australia*
AUTO: Report from an automatic station
BOGUS: Bogus report
BRAZ: Dataset from Brazil*
COOPD: US Cooperative Network summary of day report*
COOPS: US Cooperative Network soil temperature report*
CRB: Climate Reference Book data from CDMP*
CRN05: Climate Reference Network report, with 5-minute reporting interval*
CRN15: Climate Reference Network report, with 15-minute reporting interval*
FM-12: SYNOP Report of surface observation form a fixed land station
FM-13: SHIP Report of surface observation from a sea station
FM-14: SYNOP MOBIL Report of surface observation from a mobile land station
FM-15: METAR Aviation routine weather report
FM-16: SPECI Aviation selected special weather report
FM-18: BUOY Report of a buoy observation
GREEN: Dataset from Greenland*
MESOS: MESONET operated civilian or government agency
MEXIC: Dataset from Mexico*
NSRDB: National Solar Radiation Data Base
PCP15: US 15-minute precipitation network report*
PCP60: US 60-minute precipitation network report*
S-S-A: Synoptic, airways, and auto merged report
SA-AU: Airways and auto merged report
SAO: Airways report (includes record specials)
SAOSP: Airways special report (excluding record specials)
SHEF: Standard Hydrologic Exchange Format
SMARS: Supplementary airways station report
SOD: Summary of day report from U.S. ASOS or AWOS station*
SOM: Summary of month report from U.S. ASOS or AWOS station*
SURF: Surface Radiation Network report*
SY-AE: Synoptic and aero merged report
SY-AU: Synoptic and auto merged report
SY-MT: Synoptic and METAR merged report
SY-SA: Synoptic and airways merged report
WBO: Weather Bureau Office*
WNO: Washington Naval Observatory
WIND: WIND-OBSERVATION header
Length:0
DIR: WIND-OBSERVATION direction angle
The angle, measured in a clockwise direction, between true north and the
direction from which the wind is blowing.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Table of Values:
999: Missing. If type code (below) = V, then 999 indicates variable wind direction.
Q: WIND-OBSERVATION direction quality code
The code that denotes a quality status of a reported WIND-OBSERVATION direction
angle.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: WIND-OBSERVATION type code
The code that denotes the character of the WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
A: Abridged Beaufort
B: Beaufort
C: Calm
H: 5-Minute Average Speed
N: Normal
Q: Squall
R: 60-Minute Average Speed
T: 180 Minute Average Speed
V: Variable
SPD: WIND-OBSERVATION speed rate
The rate of horizontal travel of air past a fixed point.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: WIND-OBSERVATION speed quality code
The code that denotes a quality status of a reported WIND-OBSERVATION speed
rate.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
CEILING: SKY-CONDITION-OBSERVATION header
Length:0
HGT: SKY-CONDITION-OBSERVATION ceiling height dimension
The height above ground level (AGL) of the lowest cloud or obscuring phenomena
layer aloft with 5/8 or more summation total sky cover, which may be predominantly
opaque, or the vertical visibility into a surface-based obstruction.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Table of Values:
22000: Unlimited
Q: SKY-CONDITION-OBSERVATION ceiling quality code
The code that denotes a quality status of a reported ceiling height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: SKY-CONDITION-OBSERVATION ceiling determination code
The code that denotes the method used to determine the ceiling.
Length:1
Default Value:9
Table of Values:
A: Aircraft
B: Balloon
C: Statistically derived
D: Persistent cirriform ceiling (pre-1950 data)
E: Estimated
M: Measured
P: Precipitation ceiling (pre-1950 data)
R: Radar
S: ASOS augmented
U: Unknown ceiling (pre-1950 data)
V: Variable ceiling (pre-1950 data)
W: Obscured
I: SKY-CONDITION-OBSERVATION CAVOK code
The code that represents whether the 'Ceiling And Visibility Okay' (CAVOK)
condition has been reported.
Length:1
Default Value:9
Table of Values:
N: No
Y: Yes
VISIBILITY: VISIBILITY-OBSERVATION header
Length:0
VISBY: VISIBILITY-OBSERVATION distance dimension
The horizontal distance at which an object can be seen and identified.
Length:6
Scale:1
Unit:Meters
Table of Values:
Missing: 999999
NOTE: Values greater than 160000 are entered as 160000
Q: VISIBILITY-OBSERVATION distance quality code
The code that denotes a quality status of a reported distance of a visibility
observation.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: VISIBILITY-OBSERVATION variability code
The code that denotes whether or not the reported visibility is variable.
Length:1
Default Value:9
Table of Values:
N: Not variable
V: Variable
Q: VISIBILITY-OBSERVATION quality variability code
The code that denotes a quality status of a reported VISIBILITY-OBSERVATION
variability code.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
TEMP: AIR-TEMPERATURE-OBSERVATION header
Length:0
TEMP: AIR-TEMPERATURE-OBSERVATION air temperature
The temperature of the air.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: AIR-TEMPERATURE-OBSERVATION air temperature quality code
The code that denotes a quality status of an AIR-TEMPERATURE-OBSERVATION.
Length:1
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
C: Temperature and dewpoint received from Automated Weather Observing Systems (AWOS) are reported in whole degrees Celsius. Automated QC flags these values, but they are accepted as valid.
I: Data value not originally in data, but inserted by validator
M: Manual changes made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
DEWPT: AIR-TEMPERATURE-OBSERVATION-DEWPOINT header
Length:0
DEWPT: AIR-TEMPERATURE-OBSERVATION-DEWPOINT temperature
The temperature to which a given parcel of air must be cooled at constant
pressure and water vapor content in order for saturation to occur.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: AIR-TEMPERATURE-OBSERVATION-DEWPOINT quality code
The code that denotes a quality status of the reported dew point temperature.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
C: Temperature and dewpoint received from Automated Weather Observing Systems (AWOS) are reported in whole degrees Celsius. Automated QC flags these values, but they are accepted as valid.
I: Data value not originally in data, but inserted by validator
M: Manual changes made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
SLP: ATMOSPHERIC-PRESSURE-OBSERVATION header
Length:0
SLP: ATMOSPHERIC-PRESSURE-OBSERVATION sea level pressure
The air pressure relative to Mean Sea Level (MSL).
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION sea level pressure quality code
The code that denotes a quality status of the sea level pressure of an
ATMOSPHERIC-PRESSURE-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION (Hourly) header
Length:3
PR: LIQUID-PRECIPITATION (Hourly) period quantity in hours
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: LIQUID-PRECIPITATION (Hourly) depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (Hourly) condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precipitation amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precipitation amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (e.g., from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precipitation total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precipitation amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (Hourly) quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0 = Passed gross limits check
1 = Passed all quality control checks
2 = Suspect
3 = Erroneous
4 = Passed gross limits check, data originates from an NCDC data source
5 = Passed all quality control checks, data originates from an NCDC data source
6 = Suspect, data originates from an NCDC data source
7 = Erroneous, data originates from an NCDC data source
9 = Passed gross limits check if element is present
A = Data value flagged as suspect, but accepted as good value
U = Data value replaced with edited value
P = Data value not originally flagged as suspect, but replaced by validator
I = Data value not originally in data, but inserted by validator
M = Manual changes made to value based on information provided by NWS or FAA
R = Data value replaced with value computed by NCDC software
PRECIP: LIQUID-PRECIPITATION (Hourly) header #2
Length:3
PR: LIQUID-PRECIPITATION (Hourly) #2 period quantity in hours
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: LIQUID-PRECIPITATION (Hourly) #2 depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (Hourly) #2 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precipitation amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precip amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (e.g., from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precipitation total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precipitation amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (Hourly) #2 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originates from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
PRECIP: LIQUID-PRECIPITATION (Hourly) header #3
Length:3
PR: LIQUID-PRECIPITATION (Hourly) #3 period quantity in hours
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: LIQUID-PRECIPITATION (Hourly) #3 depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (Hourly) #3 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precipitation amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precipitation amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (e.g., from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precipitation total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precipitation amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (Hourly) #3 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originates from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
PRECIP: LIQUID-PRECIPITATION (Hourly) header #4
Length:3
PR: LIQUID-PRECIPITATION (Hourly) #4 period quantity in hours
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: LIQUID-PRECIPITATION (Hourly) #4 depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (Hourly) #4 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precipitation amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precip amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (e.g., from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precipitation total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precipitation amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (Hourly) #4 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originates from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
PRECIP: LIQUID-PRECIPITATION MONTHLY TOTAL header
Length:3
AMT: LIQUID-PRECIPITATION MONTHLY TOTAL depth dimension
The depth of LIQUID-PRECIPITATION for the previous month (typically reported
on the first day of the following month).
Length:5
Scale:10
Unit:Millimeters
Default Value:99999
I: LIQUID-PRECIPITATION MONTHLY TOTAL condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
Q: LIQUID-PRECIPITATION MONTHLY TOTAL quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
PCPHST: PRECIPITATION-OBSERVATION-HISTORY header
Length:3
D: PRECIPITATION-OBSERVATION-HISTORY duration code
The code that denotes the duration of precipitation.
Length:1
Default Value:9
Table of Values:
0: Lasted less than 1 hour
1: Lasted 1 - 3 hours
2: Lasted 3 - 6 hours
3: Lasted more than 6 hours
C: PRECIPITATION-OBSERVATION-HISTORY characteristic code
The code that denotes whether precipitation is continuous or intermittent.
Length:1
Default Value:9
Table of Values:
C: Continuous
I: Intermittent
Q: PRECIPITATION-OBSERVATION-HISTORY PRECIPITATION duration/characteristic quality code
The code that denotes a quality status of the reported PRECIPITATION duration/characteristic.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
PRECIP: LIQUID-PRECIPITATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH header
Length:3
AMT: LIQUID-PRECIPITATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH depth dimension
The greatest depth of LIQUID-PRECIPITATION for a 24-hour period during
the previous month (typically reported on the first day of the following
month).
Length:5
Scale:10
Unit:Millimeters
Default Value:99999
I: LIQUID-PRECIPITATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: The amount occurred on other dates in addition to those listed
4: Trace amount occurred on other dates in addition to those listed
DTS: LIQUID-PRECIPITATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH dates of occurrence
The dates of occurrence of LIQUID-PRECIPITATION, given as the begin-end
date for the 24-hour period, for up to 3 occurrences; e.g., 0405 indicates
24-hour period on days 04-05.
Length:4
Default Value:9999
DTS: LIQUID-PRECIPITATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH dates of occurrence #2
The dates of occurrence of LIQUID-PRECIPITATION, given as the begin-end
date for the 24-hour period, for up to 3 occurrences; e.g., 0405 indicates
24-hour period on days 04-05.
Length:4
Default Value:9999
DTS: LIQUID-PRECIPITATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH dates of occurrence #3
The dates of occurrence of LIQUID-PRECIPITATION, given as the begin-end
date for the 24-hour period, for up to 3 occurrences; e.g., 0405 indicates
24-hour period on days 04-05.
Length:4
Default Value:9999
Q: LIQUID-PRECIPITATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
PRECIP: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH header
Length:3
Q: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with .01 inch (.25 mm) or more quality code
The code that denotes a quality status of the reported days with .01 or
more.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
Q: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with .10 inch (2.5 mm) or more quality code
The code that denotes a quality status of the reported days with .10 or
more.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
Q: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with .50 inch (12.7 mm) or more quality code
The code that denotes a quality status of the reported days with .50 or
more.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
Q: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with 1.00 inch (25 mm) or more quality code
The code that denotes a quality status of the reported days with 1.00 or
more.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
A: Data value flagged as suspect, but accepted as good value
I: Data value not originally in data, but inserted by validator
M: Manual change made to value based on information provided by NWS or FAA
P: Data value not originally flagged as suspect, but replaced by validator
R: Data value replaced with value computed by NCDC software
U: Data value replaced with edited value
PRECIP: PRECIPITATION-ESTIMATED-OBSERVATION header
Length:3
I: PRECIPITATION-ESTIMATED-OBSERVATION discrepancy code
The code that denotes the type of discrepancy between a PRECIPITATION-OBSERVATION
and other related observations at the same location.
Length:1
Default Value:9
Table of Values:
0: Reported amount of precipitation and reported weather agree
1: Precipitation missing or not reported and none inferred by weather
2: Precipitation missing, but precipitation inferred by weather
3: Precipitation reported, but none inferred by weather
4: Zero precipitation reported, but precipitation inferred by weather
5: Zero precipitation reported, no precipitation inferred and precipitation not occurring at the reporting station
AMT: PRECIPITATION-ESTIMATED-OBSERVATION estimated water depth dimension
The estimated depth of precipitation in water depth for a 3-hour synoptic
period.
Length:3
Scale:1
Unit:Millimeters
Default Value:999
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH header
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH header #2
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #2 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #2 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #2 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #2 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #2 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH header #3
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #3 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #3 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #3 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #3 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #3 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH header #4
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #4 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #4 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #4 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #4 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #4 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH header #5
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #5 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #5 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #5 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #5 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #5 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH header #6
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #6 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #6 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #6 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #6 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH #6 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) header
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) header #2
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #2 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #2 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #2 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #2 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #2 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) header #3
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #3 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #3 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #3 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #3 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #3 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) header #4
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #4 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #4 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #4 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #4 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #4 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) header #5
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #5 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #5 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #5 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #5 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #5 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) header #6
Length:3
PR: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #6 period quantity
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:3
Scale:1
Unit:Minutes
Default Value:999
AMT: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #6 depth dimension
The depth of LIQUID-PRECIPITATION for the defined time period.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #6 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
DATE: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #6 ending date-time
The ending date of occurrence of the event , given as the date-time in
GMT; e.g., 051010 indicates 1010 Z-time on day 05 of the month.
Length:6
Default Value:999999
Q: LIQUID-PRECIPITATION MAXIMUM SHORT DURATION, FOR THE MONTH (continued) #6 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
SNOW: SNOW-DEPTH header
Length:3
DPTH: SNOW-DEPTH dimension
The depth of snow and ice on the ground.
Length:4
Scale:1
Unit:Centimeters
Default Value:9999
I: SNOW-DEPTH condition code
The code that denotes specific conditions associated with the measurement
of snow in a PRECIPITATION-OBSERVATION.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Snow cover not continuous
3: Trace
4: End accumulated period (data include more than one day)
5: End deleted period (data eliminated due to quality problems)
6: End missing period
E: Estimated data value (eg, from nearby station)
Q: SNOW-DEPTH quality code
The code that denotes a quality status of the reported SNOW-DEPTH data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WTEQ: SNOW-DEPTH equivalent water depth dimension
The depth of the liquid content of solid precipitation that has accumulated
on the ground.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
I: SNOW-DEPTH equivalent water condition code
The code that denotes specific conditions associated with the measurement
of the SNOW-DEPTH.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
9: Missing (no special code to report)
Q: SNOW-DEPTH equivalent water condition quality code
The code that denotes a quality status of the reported SNOW-DEPTH equivalent
water condition.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SNOW: SNOW-DEPTH GREATEST DEPTH ON THE GROUND, FOR THE MONTH header
Length:3
DPTH: SNOW-DEPTH GREATEST DEPTH ON THE GROUND, FOR THE MONTH depth dimension
The depth of GREATEST SNOW DEPTH FOR THE MONTH.
Length:4
Scale:1
Unit:Centimeters
Default Value:9999
I: SNOW-DEPTH GREATEST DEPTH ON THE GROUND, FOR THE MONTH condition code
The code that denotes whether a SNOW-DEPTH dimension was a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: The amount occurred on other dates in addition to those listed
4: Trace amount occurred on other dates in addition to those listed
DS: SNOW-DEPTH GREATEST DEPTH ON THE GROUND, FOR THE MONTH dates of occurrence
The dates of occurrence of SNOW-DEPTH, given as the date for each occurrence,
for up to 3 occurrences; e.g., 041016 indicates days 04, 10, and 16.
Length:6
Default Value:99
Table of Values:
99: missing for each of the 3 sub-fields.
Q: SNOW-DEPTH GREATEST DEPTH ON THE GROUND, FOR THE MONTH quality code
The code that denotes a quality status of the reported SNOW-DEPTH data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
SNOWFALL: SNOW-ACCUMULATION header
Length:3
PR: SNOW-ACCUMULATION period quantity
The quantity of time over which the SNOW-ACCUMULATION occurred.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: SNOW-ACCUMULATION depth dimension
The depth of a SNOW-ACCUMULATION.
Length:3
Scale:1
Unit:Centimeters
Default Value:999
I: SNOW-ACCUMULATION condition code
The code that denotes specific conditions associated with the measurement
of the depth of a SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Snow cover not continuous
3: Trace
4: End accumulated period (data include more than one day)
5: End deleted period (data eliminated due to quality problems)
6: End missing period
E: Estimated data value (eg, from nearby station)
Q: SNOW-ACCUMULATION quality code
The code that denotes a quality status of the reported SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SNOWFALL: SNOW-ACCUMULATION header #2
Length:3
PR: SNOW-ACCUMULATION #2 period quantity
The quantity of time over which the SNOW-ACCUMULATION occurred.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: SNOW-ACCUMULATION #2 depth dimension
The depth of a SNOW-ACCUMULATION.
Length:3
Scale:1
Unit:Centimeters
Default Value:999
I: SNOW-ACCUMULATION #2 condition code
The code that denotes specific conditions associated with the measurement
of the depth of a SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Snow cover not continuous
3: Trace
4: End accumulated period (data include more than one day)
5: End deleted period (data eliminated due to quality problems)
6: End missing period
E: Estimated data value (eg, from nearby station)
Q: SNOW-ACCUMULATION #2 quality code
The code that denotes a quality status of the reported SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SNOWFALL: SNOW-ACCUMULATION header #3
Length:3
PR: SNOW-ACCUMULATION #3 period quantity
The quantity of time over which the SNOW-ACCUMULATION occurred.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: SNOW-ACCUMULATION #3 depth dimension
The depth of a SNOW-ACCUMULATION.
Length:3
Scale:1
Unit:Centimeters
Default Value:999
I: SNOW-ACCUMULATION #3 condition code
The code that denotes specific conditions associated with the measurement
of the depth of a SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Snow cover not continuous
3: Trace
4: End accumulated period (data include more than one day)
5: End deleted period (data eliminated due to quality problems)
6: End missing period
E: Estimated data value (eg, from nearby station)
Q: SNOW-ACCUMULATION #3 quality code
The code that denotes a quality status of the reported SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SNOWFALL: SNOW-ACCUMULATION header #4
Length:3
PR: SNOW-ACCUMULATION #4 period quantity
The quantity of time over which the SNOW-ACCUMULATION occurred.
Length:2
Scale:1
Unit:Hours
Default Value:99
AMT: SNOW-ACCUMULATION #4 depth dimension
The depth of a SNOW-ACCUMULATION.
Length:3
Scale:1
Unit:Centimeters
Default Value:999
I: SNOW-ACCUMULATION #4 condition code
The code that denotes specific conditions associated with the measurement
of the depth of a SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Snow cover not continuous
3: Trace
4: End accumulated period (data include more than one day)
5: End deleted period (data eliminated due to quality problems)
6: End missing period
E: Estimated data value (eg, from nearby station)
Q: SNOW-ACCUMULATION #4 quality code
The code that denotes a quality status of the reported SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SNOWFALL: SNOW-ACCUMULATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH header
Length:3
AMT: SNOW-ACCUMULATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH depth dimension
The depth of SNOW-ACCUMULATION for the 24-hour period.
Length:4
Scale:10
Unit:Centimeters
Default Value:9999
I: SNOW-ACCUMULATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH condition code
The code that denotes whether a SNOW-ACCUMULATION depth dimension was a
trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: The amount occurred on other dates in addition to those listed
4: Trace amount occurred on other dates in addition to those listed
DTS: SNOW-ACCUMULATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH dates of occurrence
The dates of occurrence of SNOW-ACCUMULATION, given as the begin-end date
for the 24-hour period, for up to 3 occurrences; e.g., 0405 indicates 24-hour
period on days 04-05.
Length:4
Default Value:9999
DTS: SNOW-ACCUMULATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH dates of occurrence #2
The dates of occurrence of SNOW-ACCUMULATION, given as the begin-end date
for the 24-hour period, for up to 3 occurrences; e.g., 0405 indicates 24-hour
period on days 04-05.
Length:4
Default Value:9999
DTS: SNOW-ACCUMULATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH dates of occurrence #3
The dates of occurrence of SNOW-ACCUMULATION, given as the begin-end date
for the 24-hour period, for up to 3 occurrences; e.g., 0405 indicates 24-hour
period on days 04-05.
Length:4
Default Value:9999
Q: SNOW-ACCUMULATION GREATEST AMOUNT IN 24 HOURS, FOR THE MONTH quality code
The code that denotes a quality status of the reported SNOW-ACCUMULATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
SNOWFALL: SNOW-ACCUMULATION FOR THE MONTH header
Length:3
PR: SNOW-ACCUMULATION FOR THE MONTH SNOW-ACCUMULATION period quantity
The quantity of time over which the SNOW-ACCUMULATION occurred.
Length:3
Scale:1
Unit:Hours
Default Value:999
AMT: SNOW-ACCUMULATION FOR THE MONTH SNOW ACCUMULATION FOR THE MONTH depth dimension
The depth of a SNOW-ACCUMULATION.
Length:4
Scale:10
Unit:Centimeters
Default Value:9999
I: SNOW-ACCUMULATION FOR THE MONTH condition code
The code that denotes specific conditions associated with the measurement
of the depth of a SNOW-ACCUMULATION.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Snow cover not continuous
3: Trace
4: End accumulated period (data may include more than one month)
5: End deleted period (data eliminated due to quality problems)
6: End missing period
7: Data will be included in subsequent observation
E: Estimated data value (eg, from nearby station)
Q: SNOW-ACCUMULATION FOR THE MONTH quality code
The code that denotes a quality status of the reported SNOW-ACCUMULATION
FOR THE MONTH.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
PRECIP: LIQUID-PRECIPITATION (By Minute) header
Length:3
PR: LIQUID-PRECIPITATION (By Minute) period quantity in minutes
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Minutes
Default Value:99
AMT: LIQUID-PRECIPITATION (By Minute) depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (By Minute) condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precip amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precip amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (eg, from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precip total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precip amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (By Minute) quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from DSI-3260 or NCDC ASOS/AWOS
5: Passed all quality control checks, from DSI-3260 or NCDC ASOS/AWOS
6: Suspect, from DSI-3260 or NCDC ASOS/AWOS
7: Erroneous, from DSI-3260 or NCDC ASOS/AWOS
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION (By Minute) header #2
Length:3
PR: LIQUID-PRECIPITATION (By Minute) #2 period quantity in minutes
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Minutes
Default Value:99
AMT: LIQUID-PRECIPITATION (By Minute) #2 depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (By Minute) #2 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precip amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precip amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (eg, from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precip total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precip amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (By Minute) #2 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from DSI-3260 or NCDC ASOS/AWOS
5: Passed all quality control checks, from DSI-3260 or NCDC ASOS/AWOS
6: Suspect, from DSI-3260 or NCDC ASOS/AWOS
7: Erroneous, from DSI-3260 or NCDC ASOS/AWOS
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION (By Minute) header #3
Length:3
PR: LIQUID-PRECIPITATION (By Minute) #3 period quantity in minutes
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Minutes
Default Value:99
AMT: LIQUID-PRECIPITATION (By Minute) #3 depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (By Minute) #3 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precip amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precip amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (eg, from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precip total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precip amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (By Minute) #3 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from DSI-3260 or NCDC ASOS/AWOS
5: Passed all quality control checks, from DSI-3260 or NCDC ASOS/AWOS
6: Suspect, from DSI-3260 or NCDC ASOS/AWOS
7: Erroneous, from DSI-3260 or NCDC ASOS/AWOS
9: Passed gross limits check if element is present
PRECIP: LIQUID-PRECIPITATION (By Minute) header #4
Length:3
PR: LIQUID-PRECIPITATION (By Minute) #4 period quantity in minutes
The quantity of time over which the LIQUID-PRECIPITATION was measured.
Length:2
Scale:1
Unit:Minutes
Default Value:99
AMT: LIQUID-PRECIPITATION (By Minute) #4 depth dimension
The depth of LIQUID-PRECIPITATION that is measured at the time of an observation.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: LIQUID-PRECIPITATION (By Minute) #4 condition code
The code that denotes whether a LIQUID-PRECIPITATION depth dimension was
a trace value.
Length:1
Default Value:9
Table of Values:
1: Measurement impossible or inaccurate
2: Trace
3: Begin accumulated period (precip amount missing until end of accumulated period)
4: End accumulated period
5: Begin deleted period (precip amount missing due to data problem)
6: End deleted period
7: Begin missing period
8: End missing period
E: Estimated data value (eg, from nearby station)
I: Incomplete precipitation amount, excludes one or more missing reports, such as one or more 15-minute reports not included in the 1-hour precip total
J: Incomplete precipitation amount, excludes one or more erroneous reports, such as one or more 1-hour precip amounts excluded from the 24-hour total
Q: LIQUID-PRECIPITATION (By Minute) #4 quality code
The code that denotes a quality status of the reported LIQUID-PRECIPITATION
data.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from DSI-3260 or NCDC ASOS/AWOS
5: Passed all quality control checks, from DSI-3260 or NCDC ASOS/AWOS
6: Suspect, from DSI-3260 or NCDC ASOS/AWOS
7: Erroneous, from DSI-3260 or NCDC ASOS/AWOS
9: Passed gross limits check if element is present
PRECIP: 15 Minute LIQUID-PRECIPITATION header
Length:3
AMT: 15 Minute LIQUID-PRECIPITATION HPD (Hourly Precipitation Data network) gauge value
The HPD Gauge value that is measured at the time indicated.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: 15 Minute LIQUID-PRECIPITATION HPD gauge value condition code
Not used at this time. Value set to missing.
Length:1
Default Value:9
Q: 15 Minute LIQUID-PRECIPITATION HPD gauge value quality code
The code that denotes a quality status of the reported gauge value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: 15 Minute LIQUID-PRECIPITATION header #2
Length:3
AMT: 15 Minute LIQUID-PRECIPITATION #2 HPD (Hourly Precipitation Data network) gauge value
The HPD Gauge value that is measured at the time indicated.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: 15 Minute LIQUID-PRECIPITATION #2 HPD gauge value condition code
Not used at this time. Value set to missing.
Length:1
Default Value:9
Q: 15 Minute LIQUID-PRECIPITATION #2 HPD gauge value quality code
The code that denotes a quality status of the reported gauge value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: 15 Minute LIQUID-PRECIPITATION header #3
Length:3
AMT: 15 Minute LIQUID-PRECIPITATION #3 HPD (Hourly Precipitation Data network) gauge value
The HPD Gauge value that is measured at the time indicated.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: 15 Minute LIQUID-PRECIPITATION #3 HPD gauge value condition code
Not used at this time. Value set to missing.
Length:1
Default Value:9
Q: 15 Minute LIQUID-PRECIPITATION #3 HPD gauge value quality code
The code that denotes a quality status of the reported gauge value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PRECIP: 15 Minute LIQUID-PRECIPITATION header #4
Length:3
AMT: 15 Minute LIQUID-PRECIPITATION #4 HPD (Hourly Precipitation Data network) gauge value
The HPD Gauge value that is measured at the time indicated.
Length:4
Scale:10
Unit:Millimeters
Default Value:9999
I: 15 Minute LIQUID-PRECIPITATION #4 HPD gauge value condition code
Not used at this time. Value set to missing.
Length:1
Default Value:9
Q: 15 Minute LIQUID-PRECIPITATION #4 HPD gauge value quality code
The code that denotes a quality status of the reported gauge value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WX-A: PRESENT-WEATHER-OBSERVATION automated header
Length:3
WX: PRESENT-WEATHER-OBSERVATION automated atmospheric condition code
The code that denotes a specific type of weather reported by an automated
device.
Length:2
Table of Values:
00: No significant weather observed
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged during the past hour
03: Clouds generally forming or developing during the past hour
04: Haze, smoke, or dust in suspension in the air, visibility equal to or greater than 1km
05: Smoke
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
10: Mist
11: Diamond dust
12: Distant lightning
18: Squalls
20: Fog
21: Precipitation
22: Drizzle (not freezing) or snow grains
23: Rain (not freezing)
24: Snow
25: Freezing drizzle or freezing rain
26: Thunderstorm (with or without precipitation)
27: Blowing or drifting snow or sand
28: Blowing or drifting snow or sand, visibility equal to or greater than 1 km
29: Blowing or drifting snow or sand, visibility less than 1 km
30: Fog
31: Fog or ice fog in patches
32: Fog or ice fog, has become thinner during the past hour
33: Fog or ice fog, no appreciable change during the past hour
34: Fog or ice fog, has begun or become thicker during the past hour
35: Fog, depositing rime
40: Precipitation
41: Precipitation, slight or moderate
42: Precipitation, heavy
43: Liquid precipitation, slight or moderate
44: Liquid precipitation, heavy
45: Solid precipitation, slight or moderate
46: Solid precipitation, heavy
47: Freezing precipitation, slight or moderate
48: Freezing precipitation, heavy
50: Drizzle
51: Drizzle, not freezing, slight
52: Drizzle, not freezing, moderate
53: Drizzle, not freezing, heavy
54: Drizzle, freezing, slight
55: Drizzle, freezing, moderate
56: Drizzle, freezing, heavy
57: Drizzle and rain, slight
58: Drizzle and rain, moderate or heavy
60: Rain
61: Rain, not freezing, slight
62: Rain, not freezing, moderate
63: Rain, not freezing, heavy
64: Rain, freezing, slight
65: Rain, freezing, moderate
66: Rain, freezing, heavy
67: Rain or drizzle and snow, slight
68: Rain or drizzle and snow, moderate or heavy
70: Snow
71: Snow, slight
72: Snow, moderate
73: Snow, heavy
74: Ice pellets, slight
75: Ice pellets, moderate
76: Ice pellets, heavy
77: Snow Grains
78: Ice Crystals
80: Showers or intermittent precipitation
81: Rain showers or intermittent rain, slight
82: Rain showers or intermittent rain, moderate
83: Rain showers or intermittent rain, heavy
84: Rain showers or intermittent rain, violent
85: Snow showers or intermittent rain, slight
86: Snow showers or intermittent rain, moderate
87: Snow showers or intermittent rain, heavy
89: Hail
90: Thunderstorm
91: Thunderstorm, slight or moderate, with no precipitation
92: Thunderstorm, slight or moderate, with rain showers and/or snow showers
93: Thunderstorm, slight or moderate, with hail
94: Thunderstorm, heavy, with no precipitation
95: Thunderstorm, heavy, with rain showers and/or snow
96: Thunderstorm, heavy, with hail
99: Tornado
Q: PRESENT-WEATHER-OBSERVATION automated quality automated atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from an automated station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
PSWX: PAST-WEATHER-OBSERVATION summary of day header
Length:3
WX: PAST-WEATHER-OBSERVATION summary of day Atmospheric condition code
The code that denotes a specific type of past weather observed.
Length:2
Default Value:99
Table of Values:
00: none to report
01: fog
02: fog reducing visibility to 1/4 mile or less
03: thunder
04: ice pellets
05: hail
06: glaze or rime
07: blowing dust or sand, visibility mile or less
08: smoke or haze
09: blowing snow
10: tornado
11: high or damaging winds
Q: PAST-WEATHER-OBSERVATION summary of day Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION summary of day Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION summary of day Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PSWX: PAST-WEATHER-OBSERVATION summary of day header #2
Length:3
WX: PAST-WEATHER-OBSERVATION summary of day #2 Atmospheric condition code
The code that denotes a specific type of past weather observed.
Length:2
Default Value:99
Table of Values:
00: none to report
01: fog
02: fog reducing visibility to 1/4 mile or less
03: thunder
04: ice pellets
05: hail
06: glaze or rime
07: blowing dust or sand, visibility mile or less
08: smoke or haze
09: blowing snow
10: tornado
11: high or damaging winds
Q: PAST-WEATHER-OBSERVATION summary of day #2 Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION summary of day #2 Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION summary of day #2 Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PSWX: PAST-WEATHER-OBSERVATION summary of day header #3
Length:3
WX: PAST-WEATHER-OBSERVATION summary of day #3 Atmospheric condition code
The code that denotes a specific type of past weather observed.
Length:2
Default Value:99
Table of Values:
00: none to report
01: fog
02: fog reducing visibility to 1/4 mile or less
03: thunder
04: ice pellets
05: hail
06: glaze or rime
07: blowing dust or sand, visibility mile or less
08: smoke or haze
09: blowing snow
10: tornado
11: high or damaging winds
Q: PAST-WEATHER-OBSERVATION summary of day #3 Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION summary of day #3 Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION summary of day #3 Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PSWX: PAST-WEATHER-OBSERVATION summary of day header #4
Length:3
WX: PAST-WEATHER-OBSERVATION summary of day #4 Atmospheric condition code
The code that denotes a specific type of past weather observed.
Length:2
Default Value:99
Table of Values:
00: none to report
01: fog
02: fog reducing visibility to 1/4 mile or less
03: thunder
04: ice pellets
05: hail
06: glaze or rime
07: blowing dust or sand, visibility mile or less
08: smoke or haze
09: blowing snow
10: tornado
11: high or damaging winds
Q: PAST-WEATHER-OBSERVATION summary of day #4 Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION summary of day #4 Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION summary of day #4 Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PSWX: PAST-WEATHER-OBSERVATION summary of day header #5
Length:3
WX: PAST-WEATHER-OBSERVATION summary of day #5 Atmospheric condition code
The code that denotes a specific type of past weather observed.
Length:2
Default Value:99
Table of Values:
00: none to report
01: fog
02: fog reducing visibility to 1/4 mile or less
03: thunder
04: ice pellets
05: hail
06: glaze or rime
07: blowing dust or sand, visibility mile or less
08: smoke or haze
09: blowing snow
10: tornado
11: high or damaging winds
Q: PAST-WEATHER-OBSERVATION summary of day #5 Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION summary of day #5 Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION summary of day #5 Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PSWX: PAST-WEATHER-OBSERVATION summary of day header #6
Length:3
WX: PAST-WEATHER-OBSERVATION summary of day #6 Atmospheric condition code
The code that denotes a specific type of past weather observed.
Length:2
Default Value:99
Table of Values:
00: none to report
01: fog
02: fog reducing visibility to 1/4 mile or less
03: thunder
04: ice pellets
05: hail
06: glaze or rime
07: blowing dust or sand, visibility mile or less
08: smoke or haze
09: blowing snow
10: tornado
11: high or damaging winds
Q: PAST-WEATHER-OBSERVATION summary of day #6 Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION summary of day #6 Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION summary of day #6 Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
PSWX-M: PAST-WEATHER-OBSERVATION manual header
Length:3
C: PAST-WEATHER-OBSERVATION manual atmospheric condition code
The code that denotes a specific type of past weather observed manually.
Length:1
Table of Values:
0: Cloud covering 1/2 or less of the sky throughout the appropriate period
1: Cloud covering more than 1/2 of the sky during part of the appropriate period and covering1/2 or less during part of the period
2: Cloud covering more than 1/2 of the sky throughout the appropriate period
3: Sandstorm, duststorm or blowing snow
4: Fog or ice fog or thick haze
5: Drizzle
6: Rain
7: Snow, or rain and snow mixed
8: Shower(s)
9: Thunderstorm(s) with or without precipitation
Q: PAST-WEATHER-OBSERVATION manual Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION manual Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION manual Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PSWX-M: PAST-WEATHER-OBSERVATION manual header #2
Length:3
C: PAST-WEATHER-OBSERVATION manual #2 atmospheric condition code
The code that denotes a specific type of past weather observed manually.
Length:1
Table of Values:
0: Cloud covering 1/2 or less of the sky throughout the appropriate period
1: Cloud covering more than 1/2 of the sky during part of the appropriate period and covering1/2 or less during part of the period
2: Cloud covering more than 1/2 of the sky throughout the appropriate period
3: Sandstorm, duststorm or blowing snow
4: Fog or ice fog or thick haze
5: Drizzle
6: Rain
7: Snow, or rain and snow mixed
8: Shower(s)
9: Thunderstorm(s) with or without precipitation
Q: PAST-WEATHER-OBSERVATION manual #2 Quality manual atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from a manual
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION manual #2 Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION manual #2 Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PSWX-A: PAST-WEATHER-OBSERVATION automated header
Length:3
C: PAST-WEATHER-OBSERVATION automated atmospheric condition code
The code that denotes a specific type of past weather reported by an automated
device.
Length:1
Table of Values:
0: No significant weather observed
1: Visibility reduced
2: Blowing phenomena, visibility reduced
3: Fog
4: Precipitation
5: Drizzle
6: Rain
7: Snow or ice pellets
8: Showers or intermittent precipitation
9: Thunderstorm
Q: PAST-WEATHER-OBSERVATION automated Quality automated atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from an automated station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION automated Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION automated Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PSWX-A: PAST-WEATHER-OBSERVATION automated header #2
Length:3
C: PAST-WEATHER-OBSERVATION automated #2 atmospheric condition code
The code that denotes a specific type of past weather reported by an automated
device.
Length:1
Table of Values:
0: No significant weather observed
1: Visibility reduced
2: Blowing phenomena, visibility reduced
3: Fog
4: Precipitation
5: Drizzle
6: Rain
7: Snow or ice pellets
8: Showers or intermittent precipitation
9: Thunderstorm
Q: PAST-WEATHER-OBSERVATION automated #2 Quality automated atmospheric condition code
The code that denotes a quality status of a reported past weather observation
from an automated station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PR: PAST-WEATHER-OBSERVATION automated #2 Period quantity
The quantity of time over which a PAST-WEATHER-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
Q: PAST-WEATHER-OBSERVATION automated #2 Period quality code
The code that denotes a quality status of a reported past weather period.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
PRECIP: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) header
Length:3
PR: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) PRECIP period quantity
The quantity of time for which the gauge depth was measured.
Length:2
Unit:Minutes
Default Value:99
AMT: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) PRECIP liquid depth
The observed liquid precipitation measurement from the secondary precipitation
sensor.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) QC quality code
The code that indicates ISD's evaluation of the quality status of the liquid
precipitation measurement from the secondary precipitation sensor.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
P: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) PRECIP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the reported LIQUID-PRECIPITATION data. Most users will find
the preceding quality code DEPTH_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PRECIP: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) header #2
Length:3
PR: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) #2 PRECIP period quantity
The quantity of time for which the gauge depth was measured.
Length:2
Unit:Minutes
Default Value:99
AMT: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) #2 PRECIP liquid depth
The observed liquid precipitation measurement from the secondary precipitation
sensor.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) #2 QC quality code
The code that indicates ISD's evaluation of the quality status of the liquid
precipitation measurement from the secondary precipitation sensor.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
P: Subhourly Observed Liquid Precipitation Section: Secondary Sensor (CRN) #2 PRECIP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the reported LIQUID-PRECIPITATION data. Most users will find
the preceding quality code DEPTH_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
FAN SPEED: Hourly Fan Speed Section (CRN) header
Length:3
SPD: Hourly Fan Speed Section (CRN) FAN The average fan speed for the hour.
MIN: - 0000 MAX: 9998 UNITS: rotations per second
Length:4
Scale:10
Unit:Rotations Per Second
Default Value:9999
Q: Hourly Fan Speed Section (CRN) FAN_QC quality code
The code that indicates ISD's evaluation of the quality status of the average
fan speed for the hour.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Fan Speed Section (CRN) FAN_QC_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the average fan speed for the hour. Most users will find the
preceding quality code FAN_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
FAN SPEED: Hourly Fan Speed Section (CRN) header #2
Length:3
SPD: Hourly Fan Speed Section (CRN) #2 FAN The average fan speed for the hour.
MIN: - 0000 MAX: 9998 UNITS: rotations per second
Length:4
Scale:10
Unit:Rotations Per Second
Default Value:9999
Q: Hourly Fan Speed Section (CRN) #2 FAN_QC quality code
The code that indicates ISD's evaluation of the quality status of the average
fan speed for the hour.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Fan Speed Section (CRN) #2 FAN_QC_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the average fan speed for the hour. Most users will find the
preceding quality code FAN_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
FAN SPEED: Hourly Fan Speed Section (CRN) header #3
Length:3
SPD: Hourly Fan Speed Section (CRN) #3 FAN The average fan speed for the hour.
MIN: - 0000 MAX: 9998 UNITS: rotations per second
Length:4
Scale:10
Unit:Rotations Per Second
Default Value:9999
Q: Hourly Fan Speed Section (CRN) #3 FAN_QC quality code
The code that indicates ISD's evaluation of the quality status of the average
fan speed for the hour.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Fan Speed Section (CRN) #3 FAN_QC_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the average fan speed for the hour. Most users will find the
preceding quality code FAN_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PRECIP: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) header
Length:3
AMT: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) DEPTH liquid depth
The observed gauge depth.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) DEPTH_QC quality code
The code that indicates ISD's evaluation of the quality status of the observed
depth.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) DEPTH_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the observed depth. Most users will find the preceding quality
code DEPTH_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PRECIP: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) header #2
Length:3
AMT: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) #2 DEPTH liquid depth
The observed gauge depth.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) #2 DEPTH_QC quality code
The code that indicates ISD's evaluation of the quality status of the observed
depth.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) #2 DEPTH_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the observed depth. Most users will find the preceding quality
code DEPTH_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PRECIP: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) header #3
Length:3
AMT: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) #3 DEPTH liquid depth
The observed gauge depth.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) #3 DEPTH_QC quality code
The code that indicates ISD's evaluation of the quality status of the observed
depth.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Observed Liquid Precipitation Section: Primary Sensor (CRN) #3 DEPTH_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the observed depth. Most users will find the preceding quality
code DEPTH_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RH-TEMP: Hourly Relative Humidity/Temperature Section (CRN) header
Length:3
PR: Hourly Relative Humidity/Temperature Section (CRN) Period quantity in minutes
The quantity of time over which the RELATIVE HUMIDITY/TEMPERATURE was measured.
Length:2
Scale:1
Unit:Minutes
Default Value:99
TEMP: Hourly Relative Humidity/Temperature Section (CRN) AVG_ RH_TEMP hourly average air temperature
The hourly average air temperature measured at the relative humidity instrument.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Relative Humidity/Temperature Section (CRN) AVG_ RH_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average air temperature measured at the relative humidity instrument.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) AVG_ RH_TEMP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average air temperature measured at the relative humidity
instrument. Most users will find the preceding quality code AVG_RH_TEMP_QC
to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RH: Hourly Relative Humidity/Temperature Section (CRN) AVG_RH hourly average relative humidity
The hourly average relative humidity measured at the relative humidity
instrument.
Length:4
Scale:10
Unit:Percent
Default Value:9999
Q: Hourly Relative Humidity/Temperature Section (CRN) AVG_RH_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average relative humidity.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) AVG_RH_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average relative humidity. Most users will find the
preceding quality code AVG_RH_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RH-TEMP: Hourly Relative Humidity/Temperature Section (CRN) header #2
Length:3
PR: Hourly Relative Humidity/Temperature Section (CRN) #2 Period quantity in minutes
The quantity of time over which the RELATIVE HUMIDITY/TEMPERATURE was measured.
Length:2
Scale:1
Unit:Minutes
Default Value:99
TEMP: Hourly Relative Humidity/Temperature Section (CRN) #2 AVG_ RH_TEMP hourly average air temperature
The hourly average air temperature measured at the relative humidity instrument.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Relative Humidity/Temperature Section (CRN) #2 AVG_ RH_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average air temperature measured at the relative humidity instrument.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) #2 AVG_ RH_TEMP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average air temperature measured at the relative humidity
instrument. Most users will find the preceding quality code AVG_RH_TEMP_QC
to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RH: Hourly Relative Humidity/Temperature Section (CRN) #2 AVG_RH hourly average relative humidity
The hourly average relative humidity measured at the relative humidity
instrument.
Length:4
Scale:10
Unit:Percent
Default Value:9999
Q: Hourly Relative Humidity/Temperature Section (CRN) #2 AVG_RH_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average relative humidity.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) #2 AVG_RH_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average relative humidity. Most users will find the
preceding quality code AVG_RH_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RH-TEMP: Hourly Relative Humidity/Temperature Section (CRN) (continued) header
Length:3
MINT: Hourly Relative Humidity/Temperature Section (CRN) (continued) MIN_ RH_TEMP hourly air temperature
The minimum air temperature measured at the relative humidity instrument.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:99999
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) MIN_ RH_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the minimum
hourly air temperature measured at the relative humidity instrument.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) MIN_ RH_TEMP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the minimum hourly air temperature measured at the relative humidity
instrument. Most users will find the preceding quality code AVG_RH_TEMP_QC
to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MAXT: Hourly Relative Humidity/Temperature Section (CRN) (continued) MAX_ RH_TEMP hourly air temperature
The maximum air temperature measured at the relative humidity instrument.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) MAX_ RH_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the maximum
hourly air temperature measured at the relative humidity instrument.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) MAX_ RH_TEMP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the maximum hourly air temperature measured at the relative humidity
instrument. Most users will find the preceding quality code AVG_RH_TEMP_QC
to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
STDDT: Hourly Relative Humidity/Temperature Section (CRN) (continued) STD_ RH_TEMP hourly air temperature standard deviation
The standard deviation for the hourly air temperature measured at the relative
humidity instrument.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:99999
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) STD_ RH_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the standard
deviation for the air temperature measured at the relative humidity instrument.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) STD_ RH_TEMP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the standard deviation for the air temperature measured at the
relative humidity instrument. Most users will find the preceding quality
code STD_RH_TEMP_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
STDRH: Hourly Relative Humidity/Temperature Section (CRN) (continued) STD_RH hourly relative humidity standard deviation
The hourly relative humidity standard deviation.
Length:5
Scale:10
Default Value:99999
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) STD_RH_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
relative humidity standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Relative Humidity/Temperature Section (CRN) (continued) STD_RH_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly relative humidity standard deviation. Most users
will find the preceding quality code STD_RH_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
BATVOL: Hourly Battery Voltage Section (CRN) header
Length:3
BVOL: Hourly Battery Voltage Section (CRN) BATVOL average voltage
The hourly average voltage for the batteries powering the sensors and the
transmitter.
Length:4
Scale:10
Unit:Volts
Default Value:9999
Q: Hourly Battery Voltage Section (CRN) BATVOL_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average station battery voltage.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Battery Voltage Section (CRN) BATVOL_QC_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the hourly average station battery voltage. Most users will
find the preceding quality code BATVOL_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
BVOL: Hourly Battery Voltage Section (CRN) BATVOL_FL average voltage
The voltage for the batteries powering the observing station while the
station is transmitting (full load).
Length:4
Scale:10
Unit:Volts
Default Value:9999
Q: Hourly Battery Voltage Section (CRN) BATVOL_FL_QC quality code
The code that indicates ISD's evaluation of the quality status of the battery
voltage under full load.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Battery Voltage Section (CRN) BATVOL_FL_QC_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of battery voltage under full load. Most users will find the preceding
quality code BATVOL_FL_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
BVOL: Hourly Battery Voltage Section (CRN) BATVOL_DL average voltage
The voltage for the batteries powering the datalogger.
Length:4
Scale:10
Unit:Volts
Default Value:9999
Q: Hourly Battery Voltage Section (CRN) BATVOL_DL_QC quality code
The code that indicates ISD's evaluation of the quality status of the datalogger
battery voltage.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Battery Voltage Section (CRN) BATVOL_DL_QC_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the datalogger battery voltage. Most users will find the preceding
quality code BATVOL_DL_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
EQUIPTEMP: Hourly Diagnostic Section (CRN) header
Length:3
TPTMP: Hourly Diagnostic Section (CRN) TPANEL equipment temperature
The temperature of the datalogger panel.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Diagnostic Section (CRN) TPANEL_QC quality code
The code that indicates ISD's evaluation of the quality status of the datalogger
panel temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Diagnostic Section (CRN) TPANEL_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the datalogger panel temperature. Most users will find the preceding
quality code TPANEL_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TNTMP: Hourly Diagnostic Section (CRN) TINLET_MAX equipment temperature
The maximum temperature of the Geonor inlet for the hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Diagnostic Section (CRN) TINLET_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the maximum
temperature of the Geonor inlet for the hour.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Diagnostic Section (CRN) TINLET_MAX_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the maximum temperature of the Geonor inlet for the hour. Most
users will find the preceding quality code TINLET_QC to be the simplest
and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PR: Hourly Diagnostic Section (CRN) OPENDOOR_TM equipment status
The time in minutes the datalogger door was open during the hour.
Length:2
Unit:Minutes
Default Value:99
Q: Hourly Diagnostic Section (CRN) OPENDOOR_TM_QC quality code
The code that indicates ISD's evaluation of the quality status of the time
the datalogger door was open.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Diagnostic Section (CRN) OPENDOOR_TM_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the time the datalogger door was open. Most users will find
the preceding quality code OPENDOOR_TM_QC to be the simplest and most useful
quality
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
DIAG: Secondary Hourly Diagnostic Section (CRN) header
Length:3
RFRSAV: Secondary Hourly Diagnostic Section (CRN) REFRESAVG resistance
The reference resistor average.
Length:6
Scale:10
Unit:Ohms
Default Value:999999
Q: Secondary Hourly Diagnostic Section (CRN) REFRESAVG_QC quality code
The code that indicates ISD's evaluation of the quality status of the datalogger
reference resistor average.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Secondary Hourly Diagnostic Section (CRN) REFRESAVG_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the reference resistor average. Most users will find the preceding
quality code REFRESAVG_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
DSIG: Secondary Hourly Diagnostic Section (CRN) DSIGNATURE identifier
A signature generated by the datalogger which changes if there is a content
or sequence change in the datalogger programs.
Length:6
Scale:10
Default Value:999999
Q: Secondary Hourly Diagnostic Section (CRN) DSIGNATURE_QC quality code
The code that indicates ISD's evaluation of the quality status of the datalogger
signature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Secondary Hourly Diagnostic Section (CRN) DSIGNATURE_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the datalogger signature. Most users will find the preceding
quality code DSIGNATURE_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
DIAG: Secondary Hourly Diagnostic Section (CRN) (continued) header
Length:3
G: Secondary Hourly Diagnostic Section (CRN) (continued) LIQUID-PRECIPITATION gauge heater flag bit field
The code that indicates the gauge heater flag bit field setting.
Length:1
Default Value:9
Table of Values:
0: Off
1: On
Q: Secondary Hourly Diagnostic Section (CRN) (continued) LIQUID-PRECIPITATION gauge heater flag quality code
The code that indicates ISD's evaluation of the quality status of the gauge
heater flag code.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Secondary Hourly Diagnostic Section (CRN) (continued) LIQUID-PRECIPITATION gauge heater flag quality code #2
A flag that indicates the network's internal evaluation of the quality
status of the gauge heater flag code. Most users will find the preceding
quality code to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
D: Secondary Hourly Diagnostic Section (CRN) (continued) DOORFLAG field
The code that indicates the datalogger door bit field setting. We have
no idea what the heck this means.
Length:1
Default Value:9
Table of Values:
0: Off
1: On
MIN: 0 MAX: 9
Q: Secondary Hourly Diagnostic Section (CRN) (continued) DOORFLAG field quality code
The code that indicates ISD's evaluation of the quality status of the datalogger
door bit field setting.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Secondary Hourly Diagnostic Section (CRN) (continued) DOORFLAG field quality code #2
A flag that indicates the network's internal evaluation of the quality
status of the datalogger door bit field setting code. Most users will
find the preceding quality code to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RFP: Secondary Hourly Diagnostic Section (CRN) (continued) FORTRANS wattage
Forward transmitter RF power in tenths of watts
Length:3
Scale:10
Unit:Watts
Default Value:999
Q: Secondary Hourly Diagnostic Section (CRN) (continued) FORTRANS wattage quality code
The code that indicates ISD's evaluation of the quality status of the forward
transmitter RF power.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Secondary Hourly Diagnostic Section (CRN) (continued) FORTRANS wattage quality code #2
A flag that indicates the network's internal evaluation of the quality
status of the forward transmitter RF power. Most users will find the preceding
quality code to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RFP: Secondary Hourly Diagnostic Section (CRN) (continued) REFLTRANS wattage
Reflected transmitter RF power in tenths of watts
Length:3
Scale:10
Unit:Watts
Default Value:999
Q: Secondary Hourly Diagnostic Section (CRN) (continued) REFLTRANS wattage quality code
The code that indicates ISD's evaluation of the quality status of the reflected
transmitter RF power.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Secondary Hourly Diagnostic Section (CRN) (continued) REFLTRANS wattage quality code #2
A flag that indicates the network's internal evaluation of the quality
status of the reflected transmitter RF power. Most users will find the
preceding quality code to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
META: US-COOPERATIVE-NETWORK-METADATA header
Length:3
DV: US-COOPERATIVE-NETWORK-METADATA Climate division number
The climate division number, for this station, within the US state that
it resides.
Length:2
Scale:1
Default Value:99
TDF: US-COOPERATIVE-NETWORK-METADATA UTC-LST time conversion
The UTC to LST time conversion for this station.
Length:3
Scale:1
Default Value:999
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header #2
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #2 COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #2 COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header #3
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #3 COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #3 COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header #4
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #4 COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #4 COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header #5
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #5 COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #5 COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header #6
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #6 COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #6 COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header #7
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #7 COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #7 COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
TEMP: Subhourly Temperature Section (CRN) header
Length:3
TEMP: Subhourly Temperature Section (CRN) AVG_TEMP air temperature
The average air temperature for a 5-minute period.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Subhourly Temperature Section (CRN) AVG_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the 5-minute
air temperature average.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Temperature Section (CRN) AVG_TEMP_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the 5-minute air temperature average. Most users will find the
preceding quality code AVG_TEMP_QC to be the simplest and most useful quality
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Subhourly Temperature Section (CRN) header #2
Length:3
TEMP: Subhourly Temperature Section (CRN) #2 AVG_TEMP air temperature
The average air temperature for a 5-minute period.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Subhourly Temperature Section (CRN) #2 AVG_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the 5-minute
air temperature average.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Temperature Section (CRN) #2 AVG_TEMP_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the 5-minute air temperature average. Most users will find the
preceding quality code AVG_TEMP_QC to be the simplest and most useful quality
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Subhourly Temperature Section (CRN) header #3
Length:3
TEMP: Subhourly Temperature Section (CRN) #3 AVG_TEMP air temperature
The average air temperature for a 5-minute period.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Subhourly Temperature Section (CRN) #3 AVG_TEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the 5-minute
air temperature average.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Temperature Section (CRN) #3 AVG_TEMP_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the 5-minute air temperature average. Most users will find the
preceding quality code AVG_TEMP_QC to be the simplest and most useful quality
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Hourly Temperature Section (CRN) header
Length:3
TEMP: Hourly Temperature Section (CRN) TEMP_AVG air temperature
The average air temperature for an hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Temperature Section (CRN) TEMP_AVG_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
temperature average.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Section (CRN) TEMP_AVG_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the hourly temperature average. Most users will find the preceding
quality code TEMP_AVG_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SDVT: Hourly Temperature Section (CRN) TEMP_STD air temperature standard deviation
The temperature standard deviation.
Length:4
Scale:10
Default Value:9999
Q: Hourly Temperature Section (CRN) TEMP_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
temperature standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Section (CRN) TEMP_STD_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the hourly temperature standard deviation. Most users will find
the preceding quality code TEMP_STD_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Hourly Temperature Section (CRN) header #2
Length:3
TEMP: Hourly Temperature Section (CRN) #2 TEMP_AVG air temperature
The average air temperature for an hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Temperature Section (CRN) #2 TEMP_AVG_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
temperature average.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Section (CRN) #2 TEMP_AVG_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the hourly temperature average. Most users will find the preceding
quality code TEMP_AVG_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SDVT: Hourly Temperature Section (CRN) #2 TEMP_STD air temperature standard deviation
The temperature standard deviation.
Length:4
Scale:10
Default Value:9999
Q: Hourly Temperature Section (CRN) #2 TEMP_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
temperature standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Section (CRN) #2 TEMP_STD_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the hourly temperature standard deviation. Most users will find
the preceding quality code TEMP_STD_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Hourly Temperature Section (CRN) header #3
Length:3
TEMP: Hourly Temperature Section (CRN) #3 TEMP_AVG air temperature
The average air temperature for an hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Temperature Section (CRN) #3 TEMP_AVG_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
temperature average.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Section (CRN) #3 TEMP_AVG_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the hourly temperature average. Most users will find the preceding
quality code TEMP_AVG_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SDVT: Hourly Temperature Section (CRN) #3 TEMP_STD air temperature standard deviation
The temperature standard deviation.
Length:4
Scale:10
Default Value:9999
Q: Hourly Temperature Section (CRN) #3 TEMP_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
temperature standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Section (CRN) #3 TEMP_STD_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the hourly temperature standard deviation. Most users will find
the preceding quality code TEMP_STD_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Hourly Temperature Extreme Section (CRN) header
Length:3
MINT: Hourly Temperature Extreme Section (CRN) TEMP_MIN minimum air temperature
The minimum air temperature for the hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Temperature Extreme Section (CRN) TEMP_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the minimum
hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) TEMP_MIN_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the minimum hourly. Most users will find the preceding quality
code TEMP_MIN_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
HRMN: Hourly Temperature Extreme Section (CRN) TEMP_MIN_TIME time of minimum air temperature
The time at which the minimum temperature occurred, in z-time HHMM format
Length:4
Default Value:9999
Q: Hourly Temperature Extreme Section (CRN) TEMP_MIN_TIME_QC quality code
The code that indicates ISD's evaluation of the quality status of the time
of minimum hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) TEMP_MIN_TIME_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the time of minimum hourly temperature. Most users will find
the preceding quality code TEMP_MIN_TIME_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MAXT: Hourly Temperature Extreme Section (CRN) TEMP_MAX maximum air temperature
The maximum air temperature for an hour.
Length:5
Scale:10
Unit:Angular Degrees
Default Value:99999
Q: Hourly Temperature Extreme Section (CRN) TEMP_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the maximum
hourly.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) TEMP_MAX_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the maximum hourly. Most users will find the preceding quality
code TEMP_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
HRMN: Hourly Temperature Extreme Section (CRN) TEMP_MAX_TIME time of maximum air temperature
The time at which the maximum temperature occurred, in z-time HHMM format
Length:4
Default Value:9999
Q: Hourly Temperature Extreme Section (CRN) TEMP_MAX_TIME_QC quality code
The code that indicates ISD's evaluation of the quality status of the time
of maximum hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) TEMP_MAX_TIME_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the time of maximum hourly temperature. Most users will find
the preceding quality code TEMP_MAX_TIME_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Hourly Temperature Extreme Section (CRN) header #2
Length:3
MINT: Hourly Temperature Extreme Section (CRN) #2 TEMP_MIN minimum air temperature
The minimum air temperature for the hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the minimum
hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MIN_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the minimum hourly. Most users will find the preceding quality
code TEMP_MIN_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
HRMN: Hourly Temperature Extreme Section (CRN) #2 TEMP_MIN_TIME time of minimum air temperature
The time at which the minimum temperature occurred, in z-time HHMM format
Length:4
Default Value:9999
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MIN_TIME_QC quality code
The code that indicates ISD's evaluation of the quality status of the time
of minimum hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MIN_TIME_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the time of minimum hourly temperature. Most users will find
the preceding quality code TEMP_MIN_TIME_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MAXT: Hourly Temperature Extreme Section (CRN) #2 TEMP_MAX maximum air temperature
The maximum air temperature for an hour.
Length:5
Scale:10
Unit:Angular Degrees
Default Value:99999
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the maximum
hourly.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MAX_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the maximum hourly. Most users will find the preceding quality
code TEMP_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
HRMN: Hourly Temperature Extreme Section (CRN) #2 TEMP_MAX_TIME time of maximum air temperature
The time at which the maximum temperature occurred, in z-time HHMM format
Length:4
Default Value:9999
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MAX_TIME_QC quality code
The code that indicates ISD's evaluation of the quality status of the time
of maximum hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #2 TEMP_MAX_TIME_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the time of maximum hourly temperature. Most users will find
the preceding quality code TEMP_MAX_TIME_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
TEMP: Hourly Temperature Extreme Section (CRN) header #3
Length:3
MINT: Hourly Temperature Extreme Section (CRN) #3 TEMP_MIN minimum air temperature
The minimum air temperature for the hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the minimum
hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MIN_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the minimum hourly. Most users will find the preceding quality
code TEMP_MIN_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
HRMN: Hourly Temperature Extreme Section (CRN) #3 TEMP_MIN_TIME time of minimum air temperature
The time at which the minimum temperature occurred, in z-time HHMM format
Length:4
Default Value:9999
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MIN_TIME_QC quality code
The code that indicates ISD's evaluation of the quality status of the time
of minimum hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MIN_TIME_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the time of minimum hourly temperature. Most users will find
the preceding quality code TEMP_MIN_TIME_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MAXT: Hourly Temperature Extreme Section (CRN) #3 TEMP_MAX maximum air temperature
The maximum air temperature for an hour.
Length:5
Scale:10
Unit:Angular Degrees
Default Value:99999
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the maximum
hourly.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MAX_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status the maximum hourly. Most users will find the preceding quality
code TEMP_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
HRMN: Hourly Temperature Extreme Section (CRN) #3 TEMP_MAX_TIME time of maximum air temperature
The time at which the maximum temperature occurred, in z-time HHMM format
Length:4
Default Value:9999
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MAX_TIME_QC quality code
The code that indicates ISD's evaluation of the quality status of the time
of maximum hourly temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Temperature Extreme Section (CRN) #3 TEMP_MAX_TIME_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the time of maximum hourly temperature. Most users will find
the preceding quality code TEMP_MAX_TIME_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
WET: Subhourly Wetness Section (CRN) header
Length:3
WET: Subhourly Wetness Section (CRN) WET1 wetness indicator
Wetness sensor channel 1 value indicating the existence or non-existence
of moisture on the sensor.
Length:5
Scale:10
Default Value:99999
Q: Subhourly Wetness Section (CRN) WET1_QC quality code
The code that indicates ISD's evaluation of the quality status of the wetness
sensor channel 1 value.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Wetness Section (CRN) WET1_FLAG quality code
The code that indicates ISD's evaluation of the quality status of the wetness
sensor channel 1 value. Most users will find the preceding quality code
WET1_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
WET: Subhourly Wetness Section (CRN) WET2 wetness indicator
Wetness sensor channel 2 value indicating the existence or non-existence
of moisture on the sensor.
Length:5
Scale:10
Default Value:99999
Q: Subhourly Wetness Section (CRN) WET2_QC quality code
The code that indicates ISD's evaluation of the quality status of the wetness
sensor channel 2 value.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Subhourly Wetness Section (CRN) WET2_FLAG quality code
The code that indicates ISD's evaluation of the quality status of the wetness
sensor channel 2 value. Most users will find the preceding quality code
WET2_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PRECIP: Hourly Geonor Vibrating Wire Summary Section (CRN) header
Length:3
AMT: Hourly Geonor Vibrating Wire Summary Section (CRN) PRECIP total hourly precipitation
The total hourly precipitation amount for the sensor.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) PRECIP_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
precipitation amount.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) PRECIP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly precipitation amount. Most users will find the preceding
quality code PRECIP_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
FREQ: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_AVG hourly average frequency
The hourly average frequency for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_AVG_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_AVG_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average frequency. Most users will find the preceding
quality code FREQ_AVG_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MINF: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_MIN hourly minimum frequency
The minimum frequency during the hour for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
minimum frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_MIN_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly minimum frequency. Most users will find the preceding
quality code FREQ_MIN_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MAXF: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_MAX hourly maximum frequency
The minimum frequency during the hour for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
maximum frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) FREQ_MAX_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly maximum frequency. Most users will find the preceding
quality code FREQ_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PRECIP: Hourly Geonor Vibrating Wire Summary Section (CRN) header #2
Length:3
AMT: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 PRECIP total hourly precipitation
The total hourly precipitation amount for the sensor.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 PRECIP_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
precipitation amount.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 PRECIP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly precipitation amount. Most users will find the preceding
quality code PRECIP_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
FREQ: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_AVG hourly average frequency
The hourly average frequency for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_AVG_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_AVG_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average frequency. Most users will find the preceding
quality code FREQ_AVG_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MINF: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_MIN hourly minimum frequency
The minimum frequency during the hour for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
minimum frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_MIN_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly minimum frequency. Most users will find the preceding
quality code FREQ_MIN_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MAXF: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_MAX hourly maximum frequency
The minimum frequency during the hour for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
maximum frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #2 FREQ_MAX_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly maximum frequency. Most users will find the preceding
quality code FREQ_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PRECIP: Hourly Geonor Vibrating Wire Summary Section (CRN) header #3
Length:3
AMT: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 PRECIP total hourly precipitation
The total hourly precipitation amount for the sensor.
Length:6
Scale:10
Unit:Millimeters
Default Value:999999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 PRECIP_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
precipitation amount.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 PRECIP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly precipitation amount. Most users will find the preceding
quality code PRECIP_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
FREQ: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_AVG hourly average frequency
The hourly average frequency for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_AVG_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_AVG_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average frequency. Most users will find the preceding
quality code FREQ_AVG_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MINF: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_MIN hourly minimum frequency
The minimum frequency during the hour for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
minimum frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_MIN_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly minimum frequency. Most users will find the preceding
quality code FREQ_MIN_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MAXF: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_MAX hourly maximum frequency
The minimum frequency during the hour for the sensor.
Length:4
Unit:Hertz
Default Value:9999
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
maximum frequency.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Geonor Vibrating Wire Summary Section (CRN) #3 FREQ_MAX_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly maximum frequency. Most users will find the preceding
quality code FREQ_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
RUNWAY: RUNWAY-VISUAL-RANGE-OBSERVATION header
Length:3
DR: RUNWAY-VISUAL-RANGE-OBSERVATION direction angle
The angle as measured from magnetic north to the runway along which the
visibility is observed.
Length:2
Scale:0
Unit:Tens of degrees
Default Value:99
C: RUNWAY-VISUAL-RANGE-OBSERVATION runway designator code
The code that denotes the left, right or center runway as the one to which
the visibility applies.
Length:1
Default Value:9
Table of Values:
C: center
L: left
R: right
U: unknown
RVR: RUNWAY-VISUAL-RANGE-OBSERVATION visibility dimension
The dimension of the horizontal distance that can be seen along the runway.
Length:4
Unit:Meters
Default Value:9999
Q: RUNWAY-VISUAL-RANGE-OBSERVATION quality code
The code that denotes a quality status of the reported RUNWAY-VISUAL-RANGE-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
CLOUD LAYER: SKY-COVER-LAYER header
Length:3
CV: SKY-COVER-LAYER coverage code
The code that denotes the fraction of the total celestial dome covered
by a SKY-COVER-LAYER. Note: This is for a discrete cloud
layer, as opposed to the cloud later summation data in the GD1-GD6 section.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: SKY-COVER-LAYER coverage quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC SURFACE HOURLY
5: Passed all quality control checks, from NCDC SURFACE HOURLY
6: Suspect, from NCDC SURFACE HOURLY
7: Erroneous, from NCDC SURFACE HOURLY
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
BASEH: SKY-COVER-LAYER base height dimension
The height relative to a VERTICAL-REFERENCE-DATUM of the lowest surface
of a cloud.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
Q: SKY-COVER-LAYER base height quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
base height.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
TP: SKY-COVER-LAYER cloud type code
The code that denotes the classification of the clouds that comprise a
SKY-COVER-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena / sky obscured
11: Not used
12: Towering Cumulus (Tcu)
13: Stratus fractus (Stfra)
14: Stratocumulus Lenticular (Scsl)
15: Cumulus Fractus (Cufra)
16: Cumulonimbus Mammatus (Cbmam)
17: Altocumulus Lenticular (Acsl)
18: Altocumulus Castellanus (Accas)
19: Altocumulus Mammatus (Acmam)
20: Cirrocumulus Lenticular (Ccsl)
21: Cirrus and/or Cirrocumulus
22: Stratus and/or Fracto-stratus
23: Cumulus and/or Fracto-cumulus
Q: SKY-COVER-LAYER cloud type quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
CLOUD LAYER: SKY-COVER-LAYER header #2
Length:3
CV: SKY-COVER-LAYER #2 coverage code
The code that denotes the fraction of the total celestial dome covered
by a SKY-COVER-LAYER. Note: This is for a discrete cloud
layer, as opposed to the cloud later summation data in the GD1-GD6 section.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: SKY-COVER-LAYER #2 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC SURFACE HOURLY
5: Passed all quality control checks, from NCDC SURFACE HOURLY
6: Suspect, from NCDC SURFACE HOURLY
7: Erroneous, from NCDC SURFACE HOURLY
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
BASEH: SKY-COVER-LAYER #2 base height dimension
The height relative to a VERTICAL-REFERENCE-DATUM of the lowest surface
of a cloud.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
Q: SKY-COVER-LAYER #2 base height quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
base height.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
TP: SKY-COVER-LAYER #2 cloud type code
The code that denotes the classification of the clouds that comprise a
SKY-COVER-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena / sky obscured
11: Not used
12: Towering Cumulus (Tcu)
13: Stratus fractus (Stfra)
14: Stratocumulus Lenticular (Scsl)
15: Cumulus Fractus (Cufra)
16: Cumulonimbus Mammatus (Cbmam)
17: Altocumulus Lenticular (Acsl)
18: Altocumulus Castellanus (Accas)
19: Altocumulus Mammatus (Acmam)
20: Cirrocumulus Lenticular (Ccsl)
21: Cirrus and/or Cirrocumulus
22: Stratus and/or Fracto-stratus
23: Cumulus and/or Fracto-cumulus
Q: SKY-COVER-LAYER #2 cloud type quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
CLOUD LAYER: SKY-COVER-LAYER header #3
Length:3
CV: SKY-COVER-LAYER #3 coverage code
The code that denotes the fraction of the total celestial dome covered
by a SKY-COVER-LAYER. Note: This is for a discrete cloud
layer, as opposed to the cloud later summation data in the GD1-GD6 section.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: SKY-COVER-LAYER #3 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC SURFACE HOURLY
5: Passed all quality control checks, from NCDC SURFACE HOURLY
6: Suspect, from NCDC SURFACE HOURLY
7: Erroneous, from NCDC SURFACE HOURLY
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
BASEH: SKY-COVER-LAYER #3 base height dimension
The height relative to a VERTICAL-REFERENCE-DATUM of the lowest surface
of a cloud.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
Q: SKY-COVER-LAYER #3 base height quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
base height.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
TP: SKY-COVER-LAYER #3 cloud type code
The code that denotes the classification of the clouds that comprise a
SKY-COVER-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena / sky obscured
11: Not used
12: Towering Cumulus (Tcu)
13: Stratus fractus (Stfra)
14: Stratocumulus Lenticular (Scsl)
15: Cumulus Fractus (Cufra)
16: Cumulonimbus Mammatus (Cbmam)
17: Altocumulus Lenticular (Acsl)
18: Altocumulus Castellanus (Accas)
19: Altocumulus Mammatus (Acmam)
20: Cirrocumulus Lenticular (Ccsl)
21: Cirrus and/or Cirrocumulus
22: Stratus and/or Fracto-stratus
23: Cumulus and/or Fracto-cumulus
Q: SKY-COVER-LAYER #3 cloud type quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
CLOUD LAYER: SKY-COVER-LAYER header #4
Length:3
CV: SKY-COVER-LAYER #4 coverage code
The code that denotes the fraction of the total celestial dome covered
by a SKY-COVER-LAYER. Note: This is for a discrete cloud
layer, as opposed to the cloud later summation data in the GD1-GD6 section.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: SKY-COVER-LAYER #4 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC SURFACE HOURLY
5: Passed all quality control checks, from NCDC SURFACE HOURLY
6: Suspect, from NCDC SURFACE HOURLY
7: Erroneous, from NCDC SURFACE HOURLY
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
BASEH: SKY-COVER-LAYER #4 base height dimension
The height relative to a VERTICAL-REFERENCE-DATUM of the lowest surface
of a cloud.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
Q: SKY-COVER-LAYER #4 base height quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
base height.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
TP: SKY-COVER-LAYER #4 cloud type code
The code that denotes the classification of the clouds that comprise a
SKY-COVER-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena / sky obscured
11: Not used
12: Towering Cumulus (Tcu)
13: Stratus fractus (Stfra)
14: Stratocumulus Lenticular (Scsl)
15: Cumulus Fractus (Cufra)
16: Cumulonimbus Mammatus (Cbmam)
17: Altocumulus Lenticular (Acsl)
18: Altocumulus Castellanus (Accas)
19: Altocumulus Mammatus (Acmam)
20: Cirrocumulus Lenticular (Ccsl)
21: Cirrus and/or Cirrocumulus
22: Stratus and/or Fracto-stratus
23: Cumulus and/or Fracto-cumulus
Q: SKY-COVER-LAYER #4 cloud type quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
CLOUD LAYER: SKY-COVER-LAYER header #5
Length:3
CV: SKY-COVER-LAYER #5 coverage code
The code that denotes the fraction of the total celestial dome covered
by a SKY-COVER-LAYER. Note: This is for a discrete cloud
layer, as opposed to the cloud later summation data in the GD1-GD6 section.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: SKY-COVER-LAYER #5 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC SURFACE HOURLY
5: Passed all quality control checks, from NCDC SURFACE HOURLY
6: Suspect, from NCDC SURFACE HOURLY
7: Erroneous, from NCDC SURFACE HOURLY
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
BASEH: SKY-COVER-LAYER #5 base height dimension
The height relative to a VERTICAL-REFERENCE-DATUM of the lowest surface
of a cloud.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
Q: SKY-COVER-LAYER #5 base height quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
base height.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
TP: SKY-COVER-LAYER #5 cloud type code
The code that denotes the classification of the clouds that comprise a
SKY-COVER-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena / sky obscured
11: Not used
12: Towering Cumulus (Tcu)
13: Stratus fractus (Stfra)
14: Stratocumulus Lenticular (Scsl)
15: Cumulus Fractus (Cufra)
16: Cumulonimbus Mammatus (Cbmam)
17: Altocumulus Lenticular (Acsl)
18: Altocumulus Castellanus (Accas)
19: Altocumulus Mammatus (Acmam)
20: Cirrocumulus Lenticular (Ccsl)
21: Cirrus and/or Cirrocumulus
22: Stratus and/or Fracto-stratus
23: Cumulus and/or Fracto-cumulus
Q: SKY-COVER-LAYER #5 cloud type quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
CLOUD LAYER: SKY-COVER-LAYER header #6
Length:3
CV: SKY-COVER-LAYER #6 coverage code
The code that denotes the fraction of the total celestial dome covered
by a SKY-COVER-LAYER. Note: This is for a discrete cloud
layer, as opposed to the cloud later summation data in the GD1-GD6 section.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: SKY-COVER-LAYER #6 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC SURFACE HOURLY
5: Passed all quality control checks, from NCDC SURFACE HOURLY
6: Suspect, from NCDC SURFACE HOURLY
7: Erroneous, from NCDC SURFACE HOURLY
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
BASEH: SKY-COVER-LAYER #6 base height dimension
The height relative to a VERTICAL-REFERENCE-DATUM of the lowest surface
of a cloud.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
Q: SKY-COVER-LAYER #6 base height quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
base height.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
TP: SKY-COVER-LAYER #6 cloud type code
The code that denotes the classification of the clouds that comprise a
SKY-COVER-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, duststorm, sandstorm, or other analogous phenomena / sky obscured
11: Not used
12: Towering Cumulus (Tcu)
13: Stratus fractus (Stfra)
14: Stratocumulus Lenticular (Scsl)
15: Cumulus Fractus (Cufra)
16: Cumulonimbus Mammatus (Cbmam)
17: Altocumulus Lenticular (Acsl)
18: Altocumulus Castellanus (Accas)
19: Altocumulus Mammatus (Acmam)
20: Cirrocumulus Lenticular (Ccsl)
21: Cirrus and/or Cirrocumulus
22: Stratus and/or Fracto-stratus
23: Cumulus and/or Fracto-cumulus
Q: SKY-COVER-LAYER #6 cloud type quality code
The code that denotes a quality status of the reported SKY-COVER-LAYER
cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly
5: Passed all quality control checks, from NCDC Surface Hourly
6: Suspect, from NCDC Surface Hourly
7: Erroneous, from NCDC Surface Hourly
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
CLOUD SUMM: SKY-COVER-SUMMATION-STATE header
Length:3
C: SKY-COVER-SUMMATION-STATE coverage code
The code that denotes the portion of the total celestial dome covered by
all layers of clouds and other obscuring phenomena at or below a given
height.
Length:1
Default Value:9
Table of Values:
0: Clear - No coverage
1: FEW - 2/8 or less coverage (not including zero)
2: SCATTERED - 3/8-4/8 coverage
3: BROKEN - 5/8-7/8 coverage
4: OVERCAST - 8/8 coverage
5: OBSCURED
6: PARTIALLY OBSCURED
CV: SKY-COVER-SUMMATION-STATE Coverage code #2
The code that denotes the fraction of the total celestial dome covered
by a by all layers of clouds and other obscuring phenomena at or below
a given height, if reported by the station in octas.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin Scattered
12: Scattered
13: Dark scattered
14: Thin Broken
15: Broken
16: Dark broken
17: Thin overcast
18: Overcast
19: Dark overcast
Q: SKY-COVER-SUMMATION-STATE coverage quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HEIGHT: SKY-COVER-SUMMATION-STATE height dimension
The height above ground level (AGL) of the base of the cloud layer or obscuring
phenomena.
Length:6
Unit:Meters
Default Value:999999
Q: SKY-COVER-SUMMATION-STATE height dimension quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: SKY-COVER-SUMMATION-STATE characteristic code
The code that represents a characteristic of a specific cloud or other
obscuring phenomena layer.
Length:1
Default Value:9
Table of Values:
1: Variable height
2: Variable amount
3: Thin clouds
4: Dark layer (reported in data prior to 1950)
CLOUD SUMM: SKY-COVER-SUMMATION-STATE header #2
Length:3
C: SKY-COVER-SUMMATION-STATE #2 coverage code
The code that denotes the portion of the total celestial dome covered by
all layers of clouds and other obscuring phenomena at or below a given
height.
Length:1
Default Value:9
Table of Values:
0: Clear - No coverage
1: FEW - 2/8 or less coverage (not including zero)
2: SCATTERED - 3/8-4/8 coverage
3: BROKEN - 5/8-7/8 coverage
4: OVERCAST - 8/8 coverage
5: OBSCURED
6: PARTIALLY OBSCURED
CV: SKY-COVER-SUMMATION-STATE #2 Coverage code #2
The code that denotes the fraction of the total celestial dome covered
by a by all layers of clouds and other obscuring phenomena at or below
a given height, if reported by the station in octas.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin Scattered
12: Scattered
13: Dark scattered
14: Thin Broken
15: Broken
16: Dark broken
17: Thin overcast
18: Overcast
19: Dark overcast
Q: SKY-COVER-SUMMATION-STATE #2 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HEIGHT: SKY-COVER-SUMMATION-STATE #2 height dimension
The height above ground level (AGL) of the base of the cloud layer or obscuring
phenomena.
Length:6
Unit:Meters
Default Value:999999
Q: SKY-COVER-SUMMATION-STATE #2 height dimension quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: SKY-COVER-SUMMATION-STATE #2 characteristic code
The code that represents a characteristic of a specific cloud or other
obscuring phenomena layer.
Length:1
Default Value:9
Table of Values:
1: Variable height
2: Variable amount
3: Thin clouds
4: Dark layer (reported in data prior to 1950)
CLOUD SUMM: SKY-COVER-SUMMATION-STATE header #3
Length:3
C: SKY-COVER-SUMMATION-STATE #3 coverage code
The code that denotes the portion of the total celestial dome covered by
all layers of clouds and other obscuring phenomena at or below a given
height.
Length:1
Default Value:9
Table of Values:
0: Clear - No coverage
1: FEW - 2/8 or less coverage (not including zero)
2: SCATTERED - 3/8-4/8 coverage
3: BROKEN - 5/8-7/8 coverage
4: OVERCAST - 8/8 coverage
5: OBSCURED
6: PARTIALLY OBSCURED
CV: SKY-COVER-SUMMATION-STATE #3 Coverage code #2
The code that denotes the fraction of the total celestial dome covered
by a by all layers of clouds and other obscuring phenomena at or below
a given height, if reported by the station in octas.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin Scattered
12: Scattered
13: Dark scattered
14: Thin Broken
15: Broken
16: Dark broken
17: Thin overcast
18: Overcast
19: Dark overcast
Q: SKY-COVER-SUMMATION-STATE #3 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HEIGHT: SKY-COVER-SUMMATION-STATE #3 height dimension
The height above ground level (AGL) of the base of the cloud layer or obscuring
phenomena.
Length:6
Unit:Meters
Default Value:999999
Q: SKY-COVER-SUMMATION-STATE #3 height dimension quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: SKY-COVER-SUMMATION-STATE #3 characteristic code
The code that represents a characteristic of a specific cloud or other
obscuring phenomena layer.
Length:1
Default Value:9
Table of Values:
1: Variable height
2: Variable amount
3: Thin clouds
4: Dark layer (reported in data prior to 1950)
CLOUD SUMM: SKY-COVER-SUMMATION-STATE header #4
Length:3
C: SKY-COVER-SUMMATION-STATE #4 coverage code
The code that denotes the portion of the total celestial dome covered by
all layers of clouds and other obscuring phenomena at or below a given
height.
Length:1
Default Value:9
Table of Values:
0: Clear - No coverage
1: FEW - 2/8 or less coverage (not including zero)
2: SCATTERED - 3/8-4/8 coverage
3: BROKEN - 5/8-7/8 coverage
4: OVERCAST - 8/8 coverage
5: OBSCURED
6: PARTIALLY OBSCURED
CV: SKY-COVER-SUMMATION-STATE #4 Coverage code #2
The code that denotes the fraction of the total celestial dome covered
by a by all layers of clouds and other obscuring phenomena at or below
a given height, if reported by the station in octas.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin Scattered
12: Scattered
13: Dark scattered
14: Thin Broken
15: Broken
16: Dark broken
17: Thin overcast
18: Overcast
19: Dark overcast
Q: SKY-COVER-SUMMATION-STATE #4 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HEIGHT: SKY-COVER-SUMMATION-STATE #4 height dimension
The height above ground level (AGL) of the base of the cloud layer or obscuring
phenomena.
Length:6
Unit:Meters
Default Value:999999
Q: SKY-COVER-SUMMATION-STATE #4 height dimension quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: SKY-COVER-SUMMATION-STATE #4 characteristic code
The code that represents a characteristic of a specific cloud or other
obscuring phenomena layer.
Length:1
Default Value:9
Table of Values:
1: Variable height
2: Variable amount
3: Thin clouds
4: Dark layer (reported in data prior to 1950)
CLOUD SUMM: SKY-COVER-SUMMATION-STATE header #5
Length:3
C: SKY-COVER-SUMMATION-STATE #5 coverage code
The code that denotes the portion of the total celestial dome covered by
all layers of clouds and other obscuring phenomena at or below a given
height.
Length:1
Default Value:9
Table of Values:
0: Clear - No coverage
1: FEW - 2/8 or less coverage (not including zero)
2: SCATTERED - 3/8-4/8 coverage
3: BROKEN - 5/8-7/8 coverage
4: OVERCAST - 8/8 coverage
5: OBSCURED
6: PARTIALLY OBSCURED
CV: SKY-COVER-SUMMATION-STATE #5 Coverage code #2
The code that denotes the fraction of the total celestial dome covered
by a by all layers of clouds and other obscuring phenomena at or below
a given height, if reported by the station in octas.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin Scattered
12: Scattered
13: Dark scattered
14: Thin Broken
15: Broken
16: Dark broken
17: Thin overcast
18: Overcast
19: Dark overcast
Q: SKY-COVER-SUMMATION-STATE #5 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HEIGHT: SKY-COVER-SUMMATION-STATE #5 height dimension
The height above ground level (AGL) of the base of the cloud layer or obscuring
phenomena.
Length:6
Unit:Meters
Default Value:999999
Q: SKY-COVER-SUMMATION-STATE #5 height dimension quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: SKY-COVER-SUMMATION-STATE #5 characteristic code
The code that represents a characteristic of a specific cloud or other
obscuring phenomena layer.
Length:1
Default Value:9
Table of Values:
1: Variable height
2: Variable amount
3: Thin clouds
4: Dark layer (reported in data prior to 1950)
CLOUD SUMM: SKY-COVER-SUMMATION-STATE header #6
Length:3
C: SKY-COVER-SUMMATION-STATE #6 coverage code
The code that denotes the portion of the total celestial dome covered by
all layers of clouds and other obscuring phenomena at or below a given
height.
Length:1
Default Value:9
Table of Values:
0: Clear - No coverage
1: FEW - 2/8 or less coverage (not including zero)
2: SCATTERED - 3/8-4/8 coverage
3: BROKEN - 5/8-7/8 coverage
4: OVERCAST - 8/8 coverage
5: OBSCURED
6: PARTIALLY OBSCURED
CV: SKY-COVER-SUMMATION-STATE #6 Coverage code #2
The code that denotes the fraction of the total celestial dome covered
by a by all layers of clouds and other obscuring phenomena at or below
a given height, if reported by the station in octas.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin Scattered
12: Scattered
13: Dark scattered
14: Thin Broken
15: Broken
16: Dark broken
17: Thin overcast
18: Overcast
19: Dark overcast
Q: SKY-COVER-SUMMATION-STATE #6 coverage quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HEIGHT: SKY-COVER-SUMMATION-STATE #6 height dimension
The height above ground level (AGL) of the base of the cloud layer or obscuring
phenomena.
Length:6
Unit:Meters
Default Value:999999
Q: SKY-COVER-SUMMATION-STATE #6 height dimension quality code
The code that denotes a quality status of the reported SKY-COVER-SUMMATION-STATE
height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
I: SKY-COVER-SUMMATION-STATE #6 characteristic code
The code that represents a characteristic of a specific cloud or other
obscuring phenomena layer.
Length:1
Default Value:9
Table of Values:
1: Variable height
2: Variable amount
3: Thin clouds
4: Dark layer (reported in data prior to 1950)
SKY CONDITION: SKY-CONDITION-OBSERVATION #2 header
Length:3
CV: SKY-CONDITION-OBSERVATION #2 total coverage code
The code that denotes the fraction of the total celestial dome covered
by clouds or other obscuring phenomena.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin scattered
12: Scattered
13: Dark scattered
14: Thin broken
15: Broken
16: Dark broken
17: Thin overcast
18: Overcast
19: Dark overcast
OP: SKY-CONDITION-OBSERVATION #2 total opaque coverage code
The code that denotes the fraction of the total celestial dome covered
by opaque clouds or other obscuring phenomena. Only reported by selected
U.S. stations during selected periods.
Length:2
Default Value:99
Table of Values:
00: None, SKC or CLR
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10, or FEW
03: Three oktas - 4/10
04: Four oktas - 5/10, or SCT
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10, or BKN
08: Eight oktas - 10/10, or OVC
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
12: Scattered
13: Dark scattered
15: Broken
16: Dark broken
18: Overcast
19: Dark overcast
Q: SKY-CONDITION-OBSERVATION #2 quality total coverage code
The code that denotes a quality status of a reported total sky coverage
code.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
CL: SKY-CONDITION-OBSERVATION #2 total lowest cloud cover code
The code that represents the fraction of the celestial dome covered by
all low clouds present. If no low clouds are present; the code denotes
the fraction covered by all middle level clouds present.
Length:2
Default Value:99
Table of Values:
00: None
01: One okta or 1/10 or less but not zero
02: Two oktas or 2/10 - 3/10
03: Three oktas or 4/10
04: Four oktas or 5/10
05: Five oktas or 6/10
06: Six oktas or 7/10 - 8/10
07: Seven oktas or 9/10 or more but not 10/10
08: Eight oktas or 10/10
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
11: Thin Scattered
12: Scattered
13: Dark Scattered
14: Thin Broken
15: Broken
16: Dark Broken
17: Thin Overcast
18: Overcast
19: Dark Overcast
Q: SKY-CONDITION-OBSERVATION #2 quality total lowest cloud cover code
The code that denotes a quality status of a reported total lowest cloud
cover code.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
LO: SKY-CONDITION-OBSERVATION #2 low cloud genus code
The code that denotes a type of low cloud.
Length:2
Default Value:99
Table of Values:
00: No low clouds
01: Cumulus humulis or Cumulus fractus other than of bad weather or both
02: Cumulus mediocris or congestus, with or without Cumulus of species fractus or humulis or Stratocumulus all having bases at the same level
03: Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus
04: Stratocumulus cumulogenitus
05: Stratocumulus other than Stratocumulus cumulogenitus
06: Stratus nebulosus or Stratus fractus other than of bad weather, or both
07: Stratus fractus or Cumulus fractus of bad weather, or both (pannus) usually below Altostratus or Nimbostratus
08: Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels
09: Cumulonimbus capillatus (often with an anvil), with or without Cumulonimbus calvus, Cumulus, Stratocumulus, Stratus or pannus
Q: SKY-CONDITION-OBSERVATION #2 quality low cloud genus code
The code that denotes a quality status of a reported low cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HGT: SKY-CONDITION-OBSERVATION #2 lowest cloud base height dimension
The height, above ground level (AGL), of the base of the lowest cloud.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Q: SKY-CONDITION-OBSERVATION #2 lowest cloud base height quality code
The code that denotes a quality status of a lowest cloud base height.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
MI: SKY-CONDITION-OBSERVATION #2 mid cloud genus code
The code that denotes a type of middle level cloud.
Length:2
Default Value:99
Table of Values:
00: No middle clouds
01: Altostratus translucidus
02: Altostratus opacus or Nimbostratus
03: Altocumulus translucidus at a single level
04: Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels
05: Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole
06: Altocumulus cumulogentis (or cumulonimbogentus)
07: Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus
08: Altocumulus castellanus or floccus
09: Altocumulus of a chaotic sky; generally at several levels
Q: SKY-CONDITION-OBSERVATION #2 quality mid cloud genus code
The code that denotes a quality status of a reported mid cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
HI: SKY-CONDITION-OBSERVATION #2 high cloud genus code
The code that denotes a type of high cloud.
Length:2
Default Value:99
Table of Values:
00: No High Clouds
01: Cirrus fibratus, sometimes uncinus, not progressively invading the sky
02: Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus
03: Cirrus spissatus cumulonimbogenitus
04: Cirrus unicinus or fibratus, or both, progressively invading the sky; they generally thicken as a whole
05: Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon
06: Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.
07: Cirrostratus covering the whole sky
08: Cirrostratus not progressively invading the sky and not entirely covering it
09: Cirrocumulus alone, or Cirrocumulus predominant among the High clouds
Q: SKY-CONDITION-OBSERVATION #2 quality high cloud genus code
The code that denotes a quality status of a reported high cloud type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
CLOUDS BLO STN: BELOW-STATION-CLOUD-LAYER header
Length:3
CV: BELOW-STATION-CLOUD-LAYER coverage code
The code that denotes the extent of coverage of a BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: None
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10
03: Three oktas - 4/10
04: Four oktas - 5/10
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10
08: Eight oktas - 10/10
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: BELOW-STATION-CLOUD-LAYER coverage quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
HGT: BELOW-STATION-CLOUD-LAYER top height dimension
The height above mean sea level (MSL) of the top of a BELOW-STATION-CLOUD-LAYER.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Q: BELOW-STATION-CLOUD-LAYER top height dimension quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
TP: BELOW-STATION-CLOUD-LAYER type code
The code that denotes the classification of the clouds that comprise a
BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, dust storm, sandstorm, or other analogous phenomena
Q: BELOW-STATION-CLOUD-LAYER type quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
C: BELOW-STATION-CLOUD-LAYER top code
The code that denotes the characteristics of the upper surface of a BELOW-STATION-CLOUD-LAYER
Length:2
Default Value:99
Table of Values:
00: Isolated cloud or fragments of clouds
01: Continuous flat tops
02: Broken cloud - small breaks, flat tops
03: Broken cloud - large breaks, flat tops
04: Continuous cloud, undulation tops
05: Broken cloud - small breaks, undulating tops
06: Broken cloud - large breaks, undulating tops
07: Continuous or almost continuous with towering clouds above the top of the layer
08: Groups of waves with towering clouds above the top of the layer
09: Two or more layers at different levels
Q: BELOW-STATION-CLOUD-LAYER top quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
CLOUDS BLO STN: BELOW-STATION-CLOUD-LAYER header #2
Length:3
CV: BELOW-STATION-CLOUD-LAYER #2 coverage code
The code that denotes the extent of coverage of a BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: None
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10
03: Three oktas - 4/10
04: Four oktas - 5/10
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10
08: Eight oktas - 10/10
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: BELOW-STATION-CLOUD-LAYER #2 coverage quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
HGT: BELOW-STATION-CLOUD-LAYER #2 top height dimension
The height above mean sea level (MSL) of the top of a BELOW-STATION-CLOUD-LAYER.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Q: BELOW-STATION-CLOUD-LAYER #2 top height dimension quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
TP: BELOW-STATION-CLOUD-LAYER #2 type code
The code that denotes the classification of the clouds that comprise a
BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, dust storm, sandstorm, or other analogous phenomena
Q: BELOW-STATION-CLOUD-LAYER #2 type quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
C: BELOW-STATION-CLOUD-LAYER #2 top code
The code that denotes the characteristics of the upper surface of a BELOW-STATION-CLOUD-LAYER
Length:2
Default Value:99
Table of Values:
00: Isolated cloud or fragments of clouds
01: Continuous flat tops
02: Broken cloud - small breaks, flat tops
03: Broken cloud - large breaks, flat tops
04: Continuous cloud, undulation tops
05: Broken cloud - small breaks, undulating tops
06: Broken cloud - large breaks, undulating tops
07: Continuous or almost continuous with towering clouds above the top of the layer
08: Groups of waves with towering clouds above the top of the layer
09: Two or more layers at different levels
Q: BELOW-STATION-CLOUD-LAYER #2 top quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
CLOUDS BLO STN: BELOW-STATION-CLOUD-LAYER header #3
Length:3
CV: BELOW-STATION-CLOUD-LAYER #3 coverage code
The code that denotes the extent of coverage of a BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: None
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10
03: Three oktas - 4/10
04: Four oktas - 5/10
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10
08: Eight oktas - 10/10
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: BELOW-STATION-CLOUD-LAYER #3 coverage quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
HGT: BELOW-STATION-CLOUD-LAYER #3 top height dimension
The height above mean sea level (MSL) of the top of a BELOW-STATION-CLOUD-LAYER.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Q: BELOW-STATION-CLOUD-LAYER #3 top height dimension quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
TP: BELOW-STATION-CLOUD-LAYER #3 type code
The code that denotes the classification of the clouds that comprise a
BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, dust storm, sandstorm, or other analogous phenomena
Q: BELOW-STATION-CLOUD-LAYER #3 type quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
C: BELOW-STATION-CLOUD-LAYER #3 top code
The code that denotes the characteristics of the upper surface of a BELOW-STATION-CLOUD-LAYER
Length:2
Default Value:99
Table of Values:
00: Isolated cloud or fragments of clouds
01: Continuous flat tops
02: Broken cloud - small breaks, flat tops
03: Broken cloud - large breaks, flat tops
04: Continuous cloud, undulation tops
05: Broken cloud - small breaks, undulating tops
06: Broken cloud - large breaks, undulating tops
07: Continuous or almost continuous with towering clouds above the top of the layer
08: Groups of waves with towering clouds above the top of the layer
09: Two or more layers at different levels
Q: BELOW-STATION-CLOUD-LAYER #3 top quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
CLOUDS BLO STN: BELOW-STATION-CLOUD-LAYER header #4
Length:3
CV: BELOW-STATION-CLOUD-LAYER #4 coverage code
The code that denotes the extent of coverage of a BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: None
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10
03: Three oktas - 4/10
04: Four oktas - 5/10
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10
08: Eight oktas - 10/10
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: BELOW-STATION-CLOUD-LAYER #4 coverage quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
HGT: BELOW-STATION-CLOUD-LAYER #4 top height dimension
The height above mean sea level (MSL) of the top of a BELOW-STATION-CLOUD-LAYER.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Q: BELOW-STATION-CLOUD-LAYER #4 top height dimension quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
TP: BELOW-STATION-CLOUD-LAYER #4 type code
The code that denotes the classification of the clouds that comprise a
BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, dust storm, sandstorm, or other analogous phenomena
Q: BELOW-STATION-CLOUD-LAYER #4 type quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
C: BELOW-STATION-CLOUD-LAYER #4 top code
The code that denotes the characteristics of the upper surface of a BELOW-STATION-CLOUD-LAYER
Length:2
Default Value:99
Table of Values:
00: Isolated cloud or fragments of clouds
01: Continuous flat tops
02: Broken cloud - small breaks, flat tops
03: Broken cloud - large breaks, flat tops
04: Continuous cloud, undulation tops
05: Broken cloud - small breaks, undulating tops
06: Broken cloud - large breaks, undulating tops
07: Continuous or almost continuous with towering clouds above the top of the layer
08: Groups of waves with towering clouds above the top of the layer
09: Two or more layers at different levels
Q: BELOW-STATION-CLOUD-LAYER #4 top quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
CLOUDS BLO STN: BELOW-STATION-CLOUD-LAYER header #5
Length:3
CV: BELOW-STATION-CLOUD-LAYER #5 coverage code
The code that denotes the extent of coverage of a BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: None
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10
03: Three oktas - 4/10
04: Four oktas - 5/10
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10
08: Eight oktas - 10/10
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: BELOW-STATION-CLOUD-LAYER #5 coverage quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
HGT: BELOW-STATION-CLOUD-LAYER #5 top height dimension
The height above mean sea level (MSL) of the top of a BELOW-STATION-CLOUD-LAYER.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Q: BELOW-STATION-CLOUD-LAYER #5 top height dimension quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
TP: BELOW-STATION-CLOUD-LAYER #5 type code
The code that denotes the classification of the clouds that comprise a
BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, dust storm, sandstorm, or other analogous phenomena
Q: BELOW-STATION-CLOUD-LAYER #5 type quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
C: BELOW-STATION-CLOUD-LAYER #5 top code
The code that denotes the characteristics of the upper surface of a BELOW-STATION-CLOUD-LAYER
Length:2
Default Value:99
Table of Values:
00: Isolated cloud or fragments of clouds
01: Continuous flat tops
02: Broken cloud - small breaks, flat tops
03: Broken cloud - large breaks, flat tops
04: Continuous cloud, undulation tops
05: Broken cloud - small breaks, undulating tops
06: Broken cloud - large breaks, undulating tops
07: Continuous or almost continuous with towering clouds above the top of the layer
08: Groups of waves with towering clouds above the top of the layer
09: Two or more layers at different levels
Q: BELOW-STATION-CLOUD-LAYER #5 top quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
CLOUDS BLO STN: BELOW-STATION-CLOUD-LAYER header #6
Length:3
CV: BELOW-STATION-CLOUD-LAYER #6 coverage code
The code that denotes the extent of coverage of a BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: None
01: One okta - 1/10 or less but not zero
02: Two oktas - 2/10 - 3/10
03: Three oktas - 4/10
04: Four oktas - 5/10
05: Five oktas - 6/10
06: Six oktas - 7/10 - 8/10
07: Seven oktas - 9/10 or more but not 10/10
08: Eight oktas - 10/10
09: Sky obscured, or cloud amount cannot be estimated
10: Partial obscuration
Q: BELOW-STATION-CLOUD-LAYER #6 coverage quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
coverage.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
HGT: BELOW-STATION-CLOUD-LAYER #6 top height dimension
The height above mean sea level (MSL) of the top of a BELOW-STATION-CLOUD-LAYER.
Length:5
Scale:1
Unit:Meters
Default Value:99999
Q: BELOW-STATION-CLOUD-LAYER #6 top height dimension quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
TP: BELOW-STATION-CLOUD-LAYER #6 type code
The code that denotes the classification of the clouds that comprise a
BELOW-STATION-CLOUD-LAYER.
Length:2
Default Value:99
Table of Values:
00: Cirrus (Ci)
01: Cirrocumulus (Cc)
02: Cirrostratus (Cs)
03: Altocumulus (Ac)
04: Altostratus (As)
05: Nimbostratus (Ns)
06: Stratocumulus (Sc)
07: Stratus (St)
08: Cumulus (Cu)
09: Cumulonimbus (Cb)
10: Cloud not visible owing to darkness, fog, dust storm, sandstorm, or other analogous phenomena
Q: BELOW-STATION-CLOUD-LAYER #6 type quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
type.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
C: BELOW-STATION-CLOUD-LAYER #6 top code
The code that denotes the characteristics of the upper surface of a BELOW-STATION-CLOUD-LAYER
Length:2
Default Value:99
Table of Values:
00: Isolated cloud or fragments of clouds
01: Continuous flat tops
02: Broken cloud - small breaks, flat tops
03: Broken cloud - large breaks, flat tops
04: Continuous cloud, undulation tops
05: Broken cloud - small breaks, undulating tops
06: Broken cloud - large breaks, undulating tops
07: Continuous or almost continuous with towering clouds above the top of the layer
08: Groups of waves with towering clouds above the top of the layer
09: Two or more layers at different levels
Q: BELOW-STATION-CLOUD-LAYER #6 top quality code
The code that denotes a quality status of the reported BELOW-STATION-CLOUD-LAYER
top.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
SOLAR: Hourly Solar Radiation Section header
Length:3
SLRAD: Hourly Solar Radiation Section SOLARAD hourly average solar radiation
The hourly average solar radiation.
Length:5
Scale:10
Unit:Watts Per Square Meter
Default Value:99999
Q: Hourly Solar Radiation Section SOLARAD_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average solar radiation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Solar Radiation Section SOLARAD_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average solar radiation. Most users will find the
preceding quality code SOLARAD_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SRMIN: Hourly Solar Radiation Section SOLARAD_MIN minimum solar radiation
The minimum 10 second solar radiation for the hour.
Length:5
Scale:10
Unit:Watts Per Square Meter
Default Value:99999
Q: Hourly Solar Radiation Section SOLARAD_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
minimum solar radiation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Solar Radiation Section SOLARAD_MIN_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly minimum solar radiation. Most users will find the
preceding quality code SOLARAD_MIN_QC to be the simplest and most useful
quality
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SRMAX: Hourly Solar Radiation Section SOLARAD_MAX maximum solar radiation
The maximum 10 second solar radiation for the hour.
Length:5
Scale:10
Unit:Watts Per Square Meter
Default Value:99999
Q: Hourly Solar Radiation Section SOLARAD_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
maximum solar radiation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Solar Radiation Section SOLARAD_MAX_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly maximum solar radiation. Most users will find the
preceding quality code SOLARAD_MAX_QC to be the simplest and most useful
quality
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SRSTD: Hourly Solar Radiation Section SOLARAD_STD solar radiation standard deviation
The hourly 10 second hourly solar radiation standard deviation.
Length:5
Scale:10
Default Value:99999
Q: Hourly Solar Radiation Section SOLARAD_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
solar radiation standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Solar Radiation Section SOLARAD_STD_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of hourly solar radiation standard deviation. Most users will find
the preceding quality code SOLARAD_STD_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SUN: SUNSHINE-OBSERVATION header
Length:3
DUR: SUNSHINE-OBSERVATION sunshine duration quantity
The quantity of time sunshine occurred over the reporting period.
Length:4
Unit:Minutes
Default Value:9999
Q: SUNSHINE-OBSERVATION sunshine duration quality code
The code that denotes a quality status of the reported SUNSHINE-OBSERVATION
sunshine duration.
Length:1
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
PRCNT PSBL SUN: SUNSHINE-OBSERVATION (continued) header
Length:3
PSN: SUNSHINE-OBSERVATION (continued) percent of possible sunshine quantity
The percent of possible sunshine that occurred over the previous 24-hour
period.
Length:3
Unit:Percent
Default Value:999
Q: SUNSHINE-OBSERVATION (continued) percent of possible sunshine quality code
The code that denotes a quality status of the reported SUNSHINE-OBSERVATION
percent of possible sunshine.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SUN: SUNSHINE-OBSERVATION FOR THE MONTH header
Length:3
DUR: SUNSHINE-OBSERVATION FOR THE MONTH sunshine duration quantity
The quantity of time sunshine occurred over the reporting period.
Length:5
Unit:Minutes
Default Value:99999
Q: SUNSHINE-OBSERVATION FOR THE MONTH sunshine duration quality code
The code that denotes a quality status of the reported SUNSHINE-OBSERVATION
sunshine duration.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
SOLAR: Solar Irradiance Section header
Length:3
TIME: Solar Irradiance Section Solar irradiance data time period
Time period in minutes, for which the data in this section (GM1) pertains
eg, 0060 = 60 minutes (1 hour).
Length:4
Unit:Minutes
Default Value:9999
GRAD: Solar Irradiance Section Global irradiance
Global horizontal irradiance measured using a precision spectral pyranometer.
Unit is Watts per square meter (W/m2) in whole values. Waveband ranges
from 0.4 - 2.3 micrometers.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Solar Irradiance Section Global irradiance data flag
The code that provides additional information regarding the global irradiance
data.
Length:2
Default Value:99
Table of Values:
00: Untested (raw data)
01: Passed one-component test; data fall within max-min limitsof Kt, Kn, or Kd
02: Passed two-component test; data fall within 0.03 of the Gompertz boundaries
03: Passed three-component test; data come within + 0.03 of satisfying Kt = Kn + Kd
04: Passed visual inspection: not used by SERI_QC1
05: Failed visual inspection: not used by SERI_QC1
06: Value estimated; passes all pertinent SERI_QC tests
07: Failed one-component test; lower than allowed minimum
08: Failed one-component test; higher than allowed maximum
09: Passed three-component test but failed two-component test by 0.05
10-93: Failed two- or three- component tests in one of four ways.
94-97: Data fails into physically impossible region where Kn > Kt by K-space distances of 0.05 to 0.10 (94), 0.10 to 0.15 (95), 0.15 to 0.20 (96), and > 0.20 (97)
98: Not used
99: Missing data
Q: Solar Irradiance Section Global irradiance quality code
The code that denotes a quality status of the reported global irradiance
value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
DBMR: Solar Irradiance Section Direct beam irradiance
Direct beam irradiance measured using a precision pyrheliometer. Unit
is Watts per square meter (W/m2) in whole values. Waveband ranges from
0.4 - 2.3 micrometers. Instrument is mounted on a sun tracker.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Solar Irradiance Section Direct beam irradiance data flag
The code that provides additional information regarding the direct beam
irradiance data.
Length:2
Default Value:99
Table of Values:
00: Untested (raw data)
01: Passed one-component test; data fall within max-min limits of Kt, Kn, or Kd
02: Passed two-component test; data fall within 0.03 of the Gompertz boundaries
03: Passed three-component test; data come within + 0.03 of satisfying Kt = Kn + Kd
04: Passed visual inspection: not used by SERI_QC1
05: Failed visual inspection: not used by SERI_QC1
06: Value estimated; passes all pertinent SERI_QC tests
07: Failed one-component test; lower than allowed minimum
08: Failed one-component test; higher than allowed maximum
09: Passed three-component test but failed two-component test by 0.05
10-93: Failed two- or three- component tests in one of four ways.
94-97: Data fails into physically impossible region where Kn > Kt by K-space distances of 0.05 to 0.10 (94), 0.10 to 0.15 (95), 0.15 to 0.20 (96), and > 0.20 (97).
98: Not used
99: Missing data
Q: Solar Irradiance Section Direct beam irradiance quality code
The code that denotes a quality status of the reported direct beam irradiance
value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
DRAD: Solar Irradiance Section Diffuse irradiance
Diffuse irradiance measured using a precision spectral pyranometer. Unit
is Watts per square meter (W/m2) in whole values. Waveband ranges from
0.4 - 2.3 micrometers. Instrument is mounted under a shadowband.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Solar Irradiance Section Diffuse irradiance data flag
The code that provides additional information regarding the diffuse irradiance
data.
Length:2
Default Value:99
Table of Values:
00: Untested (raw data)
01: Passed one-component test; data fall within max-min limits of Kt, Kn, or Kd
02: Passed two-component test; data fall within 0.03 of the Gompertz boundaries
03: Passed three-component test; data come within + 0.03 of satisfying Kt = Kn + Kd
04: Passed visual inspection: not used by SERI_QC1
05: Failed visual inspection: not used by SERI_QC1
06: Value estimated; passes all pertinent SERI_QC tests
07: Failed one-component test; lower than allowed minimum
08: Failed one-component test; higher than allowed maximum
09: Passed three-component test but failed two-component test by 0.05
10-93: Failed two- or three- component tests in one of four ways.
94-97: Data fails into physically impossible region where Kn > Kt by K-space distances of 0.05 to 0.10 (94), 0.10 to 0.15 (95), 0.15 to 0.20 (96), and > 0.20 (97).
98: Not used
99: Missing data
Q: Solar Irradiance Section Diffuse irradiance quality code
The code that denotes a quality status of the reported diffuse irradiance
value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
UVRD: Solar Irradiance Section UVB global irradiance
Ultra-violet global irradiance measured using an Ultra-violet Biometer
(Solar Light). Unit is milli-watts per square meter (mW/m2) of erythema
effective irradiance in whole values. Waveband ranges from 290-320 nanometers.
Length:4
Scale:1
Unit:Milliwatts Per Square Meter
Default Value:9999
Q: Solar Irradiance Section UVB global irradiance quality code
The code that denotes a quality status of the reported UVB global irradiance
value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
SOLAR: Solar Radiation Section header
Length:3
TIME: Solar Radiation Section Solar radiation data time period
Time period in minutes, for which the data in this section (GN1) pertainseg,
0060 = 60 minutes (1 hour).
Length:4
Unit:Minutes
Default Value:9999
UPSO: Solar Radiation Section Upwelling global solar radiation
Global radiation measured using an Epply Precision Spectral Pyranometer
mounted upside down ten meters above the surface on a meteorological tower.
Unit is milli-watts per square meter (mW/m2). Waveband ranges from 270
to 3000 nanometers.
Length:4
Scale:1
Unit:Milliwatts Per Square Meter
Default Value:9999
Q: Solar Radiation Section Upwelling global solar radiation quality code
The code that denotes a quality status of the reported upwelling global
solar radiation value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
DTIR: Solar Radiation Section Downwelling thermal infrared radiation
Infrared radiation measured using an Epply Precision Infrared Radiometer
mounted upright ten meters above the surface on a meteorological tower.
Unit is milli-watts per square meter (mW/m2). Waveband ranges from 3000
to 50,000 nanometers.
Length:4
Scale:1
Unit:Milliwatts Per Square Meter
Default Value:9999
Q: Solar Radiation Section Downwelling thermal infrared radiation quality code
The code that denotes a quality status of the reported downwelling thermal
infrared radiation value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
IRAD: Solar Radiation Section Upwelling thermal infrared radiation
Infrared radiation measured using an Epply Precision Infrared Radiometer
mounted upside-down ten meters above the surface on a meteorological tower.
Unit is Watts per meter per meter (mW/m2). Waveband ranges from 3000
to 50,000 nanometers.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Solar Radiation Section Upwelling thermal infrared radiation quality code
The code that denotes a quality status of the reported upwelling thermal
infrared radiation value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
PAR: Solar Radiation Section Photosynthetically active radiation
The PAR sensor measures global solar radiation from 400 to 700 nm in Watts
per square meter (mW/m2), which approximates the spectral band active in
photosynthesis.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Solar Radiation Section Photosynthetically active radiation quality code
The code that denotes a quality status of the reported photosynthetically
active radiation value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
ZAN: Solar Radiation Section Solar zenith angle
The Solar Zenith Angle is the angle in degrees between the sun and the
perpendicular to the earth's surface. At sunrise it is 90 degrees, at
noon it is a function of latitude, and at sunset it is again 90 degrees.
Below the horizon value is 100. Values are reported to the nearest tens
of degrees (eg, 090).
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Q: Solar Radiation Section Solar zenith angle quality code
The code that denotes a quality status of the reported solar zenith angle
value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
SOLAR: Net Solar Radiation Section header
Length:3
TIME: Net Solar Radiation Section Net solar radiation data time period
Time period in minutes, for which the data in this section (GO1) pertainseg,
0060 = 60 minutes (1 hour).
Length:4
Unit:Minutes
Default Value:9999
NTSO: Net Solar Radiation Section Net solar radiation
The difference between global radiation and upwelling global radiation
measured in Watts per square meter (W/m2). If negative, left most position
contains a "-" sign.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Net Solar Radiation Section Net solar radiation quality code
The code that denotes a quality status of the reported net solar radiation
value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
NTIR: Net Solar Radiation Section Net infrared radiation
The difference between downwelling infrared and upwelling infrared measured
in Watts per square meter (W/m2). If negative, left most position contains
a "-" sign.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Net Solar Radiation Section Net infrared radiation quality code
The code that denotes a quality status of the reported net infrared radiation
value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
NTRD: Net Solar Radiation Section Net radiation
The total of Net Solar and Net Infrared radiation measured in Watts per
square meter (W/m2).
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Net Solar Radiation Section Net radiation quality code
The code that denotes a quality status of the reported net radiation value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
SOLAR: Modeled Solar Irradiance Section header
Length:3
TIME: Modeled Solar Irradiance Section Data Time Period
Time period in minutes, for which the data in this section (GM1) pertains
eg, 0060 = 60 minutes (1 hour).
Length:4
Scale:1
Unit:Minutes
Default Value:9999
GBHZ: Modeled Solar Irradiance Section Modeled global horizontal
Total amount of direct and diffuse solar radiation (modeled) received on
a horizontal surface.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
SC: Modeled Solar Irradiance Section Modeled global horizontal source flag
The code that provides source information regarding the global horizontal
data.
Length:2
Default Value:99
Table of Values:
01: Value modeled from METSTAT model
02: Value time-shifted from SUNY satellite model
03: Value time-shifted from SUNY satellite model, adjusted to a minimum low-diffuse envelope
UCT: Modeled Solar Irradiance Section Modeled global horizontal uncertainty
The uncertainty values are based on model type and input data.
Length:3
Scale:1
Unit:Percent
Default Value:999
DNRM: Modeled Solar Irradiance Section Modeled direct normal
The amount of solar radiation (modeled) on a surface normal to the sun.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
SC: Modeled Solar Irradiance Section Modeled direct normal source flag
The code that provides source information regarding the direct normal data.
Length:2
Default Value:99
Table of Values:
01: Value modeled from METSTAT model
02: Value time-shifted from SUNY satellite model
03: Value time-shifted from SUNY satellite model, adjusted to a minimum low-diffuse envelope
UCT: Modeled Solar Irradiance Section Modeled direct normal uncertainty
The uncertainty values are based on model type and input data.
Length:3
Unit:Percent
Default Value:999
DFHZ: Modeled Solar Irradiance Section Modeled diffuse horizontal
The amount of solar radiation (modeled) received from the sky (excluding
the solar disk) on a horizontal surface.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
SC: Modeled Solar Irradiance Section Modeled diffuse horizontal source flag
The code that provides source information regarding the diffuse horizontal
data.
Length:2
Default Value:99
Table of Values:
01: Value modeled from METSTAT model
02: Value time-shifted from SUNY satellite model
03: Value time-shifted from SUNY satellite model, adjusted to a minimum low-diffuse envelope
UCT: Modeled Solar Irradiance Section Modeled diffuse horizontal uncertainty
The uncertainty values are based on model type and input data.
Length:3
Scale:1
Unit:Percent
Default Value:999
SOLAR: Hourly Solar Angle Section header
Length:3
TIME: Hourly Solar Angle Section Hourly solar angle time period
Time period in minutes for which the data in this section pertains-eg,
0060 = 60 minutes (1 hour).
Length:4
Unit:Minutes
Default Value:9999
ZANG: Hourly Solar Angle Section Hourly mean zenith angle (for sunup periods)
The angle between sun and the zenith as the mean of all 1-minute sunup
zenith angle values.
Length:4
Scale:10
Unit:Angular Degrees
Default Value:9999
Q: Hourly Solar Angle Section Hourly mean zenith angle quality code
The code that denotes a quality status of the hourly mean zenith angle.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks.
2: Suspect
3: Erroneous
AZAN: Hourly Solar Angle Section Hourly mean azimuth angle (for sunup periods) #2
The angle between sun and north as the mean of all 1-minute sunup azimuth
angle values.
Length:4
Scale:10
Unit:Angular Degrees
Default Value:9999
Q: Hourly Solar Angle Section Hourly mean zenith angle quality code #2
The code that denotes a quality status of the hourly mean azimuth angle.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks.
2: Suspect
3: Erroneous
SOLAR: Hourly Extraterrestrial Radiation Section header
Length:3
TIME: Hourly Extraterrestrial Radiation Section Time Period
Time period in minutes for which the data in this section pertains-eg,
0060 = 60 minutes (1 hour).
Length:4
Scale:1
Unit:Minutes
Default Value:9999
EXRD: Hourly Extraterrestrial Radiation Section Amount on a horizontal surface
The amount of solar radiation received (modeled) on a horizontal surface
at the top of the atmosphere.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Hourly Extraterrestrial Radiation Section Amount on a horizontal surface quality code
The code that denotes a quality status of the hourly Extraterrestrial Radiation
on a horizontal surface value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks.
2: Suspect
3: Erroneous
ERDN: Hourly Extraterrestrial Radiation Section Normal to the sun
The amount of solar radiation received (modeled) on a surface normal to
the sun at the top of the atmosphere.
Length:4
Scale:1
Unit:Watts Per Square Meter
Default Value:9999
Q: Hourly Extraterrestrial Radiation Section Normal to the sun quality code
The code that denotes a quality status of the hourly Extraterrestrial Radiation
normal to the sun value.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks.
2: Suspect
3: Erroneous
HAIL: HAIL header
Length:3
DIA: HAIL size
The diameter of the largest hailstone observed.
Length:3
Scale:10
Unit:Centimeters
Default Value:999
Q: HAIL size quality code
The code that denotes a quality status of the reported HAIL size.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
GRND: GROUND-SURFACE-OBSERVATION header
Length:3
CD: GROUND-SURFACE-OBSERVATION code
The code that denotes the physical condition of the ground's surface.
Length:2
Default Value:99
Table of Values:
00: Surface of ground dry (no appreciable amount of dust or loose sand)
01: Surface of ground dry (without cracks and no appreciable amount of dust or loose sand and without snow or measurable ice cover)
02: Extremely dry with cracks (without snow or measurable ice cover)
03: Loose dry dust or sand not covering ground completely (without snow or measurable ice cover)
04: Loose dry dust or sand covering more than one-half of ground (but not completely)
05: Loose dry dust or sand covering ground completely
06: Thin cover of loose dry dust or sand covering ground completely (without snow or measurable ice cover)
07: Moderate or thick cover of loose dry dust or sand covering ground completely (without snow or measurable ice cover)
08: Surface of ground moist
09: Surface of ground moist (without snow or measurable ice cover)
10: Surface of ground wet (standing water in small or large pools on surface)
11: Surface of ground wet (standing water in small or large pools on surface without snow or measurable ice cover)
12: Flooded (without snow or measurable ice cover)
13: Surface of ground frozen
14: Surface of ground frozen (without snow or measurable ice cover)
15: Glaze or ice on ground, but no snow or melting snow
16: Glaze on ground (without snow or measurable ice cover)
17: Ground predominantly covered by ice
18: Snow or melting snow (with or without ice) covering less than one-half of the ground
19: Snow or melting snow (with or without ice) covering more than one-half of the ground but ground not completely covered
20: Snow or melting snow (with or without ice) covering ground completely
21: Loose dry snow covering less than one-half of the ground
22: Loose dry snow covering at least one half of the ground (but not completely)
23: Even layer of loose dry snow covering ground completely
24: Uneven layer of loose dry snow covering ground completely
25: Compact or wet snow (with or without ice) covering less than one-half of the ground
26: Compact or wet snow (with or without ice) covering at least one-half of the ground but ground not completely covered
27: Even layer of compact or wet snow covering ground completely
28: Uneven layer of compact or wet snow covering ground completely
29: Snow covering ground completely; deep drifts
30: Loose dry dust or sand covering one-half of the ground (but not completely)
31: Loose dry snow, dust or sand covering ground completely
Q: GROUND-SURFACE-OBSERVATION quality code
The code that denotes a quality status of the reported GROUND-SURFACE-OBSERVATION
code.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
GRND TEMP: GROUND-SURFACE-OBSERVATION minimum-temperature header
Length:3
PR: GROUND-SURFACE-OBSERVATION minimum-temperature period quantity
The quantity of time over which the ground temperature was sampled to determine
the minimum temperature.
Length:3
Scale:10
Unit:Hours
Default Value:999
MIN: GROUND-SURFACE-OBSERVATION minimum-temperature value
The minimum temperature of the ground's surface recorded during the observation
period.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: GROUND-SURFACE-OBSERVATION minimum-temperature quality code
The code that denotes a quality status of the reported GROUND-SURFACE-OBSERVATION
minimum temperature.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
SURFTEMP: Hourly Surface Temperature Section header
Length:3
AVSFT: Hourly Surface Temperature Section SURFTEMP hourly average surface temperature
The hourly average surface temperature.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Surface Temperature Section SURFTEMP_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
average surface temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Surface Temperature Section SURFTEMP_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly average surface temperature. Most users will find
the preceding quality code SURFTEMP_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MNSFT: Hourly Surface Temperature Section SURFTEMP_MIN hourly minimum surface temperature
The minimum 10 second surface temperature for the hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Surface Temperature Section SURFTEMP_MIN_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
minimum surface temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Surface Temperature Section SURFTEMP_MIN_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly minimum surface temperature. Most users will find
the preceding quality code SURFTEMP_MIN_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MXSFT: Hourly Surface Temperature Section SURFTEMP_MAX hourly maximum surface temperature
The maximum 10 second surface temperature for the hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Surface Temperature Section SURFTEMP_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
maximum surface temperature.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Surface Temperature Section SURFTEMP_MAX_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the hourly maximum surface temperature. Most users will find
the preceding quality code SURFTEMP_MAX_QC to be the simplest and most
useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
STSF: Hourly Surface Temperature Section SURFTEMP_STD hourly surface temperature standard deviation
The hourly surface temperature standard deviation.
Length:4
Scale:10
Unit:Degrees Celsius
Default Value:9999
Q: Hourly Surface Temperature Section SURFTEMP_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
surface temperature standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Surface Temperature Section SURFTEMP_STD_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of hourly surface temperature standard deviation. Most users will
find the preceding quality code SURFTEMP_STD_QC to be the simplest and
most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
SURFTEMP: Hourly Surface Temperature Sensor Section header
Length:3
EQSFT: Hourly Surface Temperature Sensor Section SURFTEMP_SB equipment temperature
The average temperature of the surface temperature sensor housing (sensor
body) for the hour.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:99999
Q: Hourly Surface Temperature Sensor Section SURFTEMP_SB_QC quality code
The code that indicates ISD's evaluation of the quality status of the surface
temperature sensor housing
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Surface Temperature Sensor Section SURFTEMP_SB_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of the surface temperature sensor housing temperature. Most users
will find the preceding quality code SURFTEMP_SB_QC to be the simplest
and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
STTE: Hourly Surface Temperature Sensor Section SURFTEMP_SB_STD hourly sensor housing temperature standard deviation for the hour
The hourly 10 second hourly surface temperature standard deviation.
Length:4
Scale:10
Unit:Degrees Celsius
Default Value:9999
Q: Hourly Surface Temperature Sensor Section SURFTEMP_SB_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the hourly
sensor housing temperature standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Surface Temperature Sensor Section SURFTEMP_SB_STD_FLAG quality code
The code that indicates the network's internal evaluation of the quality
status of sensor housing temperature standard deviation.. Most users will
find the preceding quality code SURFTEMP_SB_STD_QC to be the simplest and
most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
PANEVAP: GROUND-SURFACE-OBSERVATION pan evaporation data header
Length:3
PR: GROUND-SURFACE-OBSERVATION pan evaporation data Time period in hours
The quantity of time over which the evaporation and related data were sampled.
Length:2
Scale:1
Unit:Hours
Default Value:99
WDMV: GROUND-SURFACE-OBSERVATION pan evaporation data Wind movement
The wind movement over the evaporation pan during the time period of the
observation.
Length:4
Scale:1
Unit:Statute Miles
Default Value:9999
I: GROUND-SURFACE-OBSERVATION pan evaporation data Wind movement condition code
The code that denotes certain conditions or flags which describe the data.
Length:1
Default Value:9
Table of Values:
1: No special conditions
2: Data will be included in subsequent observation
3: Data are accumulated from previous observation(s), so cover a longer than typical time period
Q: GROUND-SURFACE-OBSERVATION pan evaporation data Wind movement quality code
The code that denotes a quality status of the reported wind movement data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
EVP: GROUND-SURFACE-OBSERVATION pan evaporation data Evaporation data
The total evaporation which was measured during the time period of the
observation.
Length:3
Scale:100
Unit:Inches
Default Value:999
I: GROUND-SURFACE-OBSERVATION pan evaporation data Evaporation condition code
The code that denotes certain conditions or flags which describe the data.
Length:1
Default Value:9
Table of Values:
1: No special conditions
2: Data will be included in subsequent observation
3: Data are accumulated from previous observation(s), so cover a longer than typical time period
Q: GROUND-SURFACE-OBSERVATION pan evaporation data Evaporation quality code
The code that denotes a quality status of the reported evaporation data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
MXPT: GROUND-SURFACE-OBSERVATION pan evaporation data Maximum pan water temperature
The maximum temperature in the evaporation pan during the time period of
the observation.
Length:4
Scale:10
Unit:Degrees Celsius
Default Value:+999
I: GROUND-SURFACE-OBSERVATION pan evaporation data Maximum pan water temperature condition code
The code that denotes certain conditions or flags which describe the data.
Length:1
Default Value:9
Table of Values:
1: No special conditions
2: Data will be included in subsequent observation
3: Data are accumulated from previous observation(s), so cover a longer than typical time period
Q: GROUND-SURFACE-OBSERVATION pan evaporation data Maximum pan water temperature quality code
The code that denotes a quality status of the reported maximum water temperature
data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
MNPT: GROUND-SURFACE-OBSERVATION pan evaporation data Minimum pan water temperature
The maximum temperature in the evaporation pan during the time period of
the observation.
Length:4
Scale:10
Unit:Degrees Celsius
Default Value:+999
I: GROUND-SURFACE-OBSERVATION pan evaporation data Minimum pan water temperature condition code
The code that denotes certain conditions or flags which describe the data.
Length:1
Default Value:9
Table of Values:
1: No special conditions
2: Data will be included in subsequent observation
3: Data are accumulated from previous observation(s), so cover a longer than typical time period
Q: GROUND-SURFACE-OBSERVATION pan evaporation data Minimum pan water temperature quality code
The code that denotes a quality status of the reported minimum water temperature
data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
EXT TEMP: EXTREME-AIR-TEMPERATURE header
Length:3
PR: EXTREME-AIR-TEMPERATURE period quantity
The quantity of time over which temperatures were sampled to determine
the EXTREME-AIR-TEMPERATURE
Length:3
Scale:10
Unit:Hours
Default Value:999
I: EXTREME-AIR-TEMPERATURE code
The code that denotes an EXTREME-AIR-TEMPERATURE as a maximum or a minimum
Length:1
Default Value:9
Table of Values:
M: Maximum temperature
N: Minimum temperature
O: Estimated minimum temperature
P: Estimated maximum temperature
TEMP: EXTREME-AIR-TEMPERATURE temperature
The temperature of the high or low air temperature for a given period
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: EXTREME-AIR-TEMPERATURE temperature quality code
The code that denotes a quality status of the reported EXTREME-AIR-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly or NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC Surface Hourly or NCDC ASOS/AWOS
6: Suspect, from NCDC Surface Hourly or NCDC ASOS/AWOS
7: Erroneous, from NCDC Surface Hourly or NCDC ASOS/AWOS
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
EXT TEMP: EXTREME-AIR-TEMPERATURE header #2
Length:3
PR: EXTREME-AIR-TEMPERATURE #2 period quantity
The quantity of time over which temperatures were sampled to determine
the EXTREME-AIR-TEMPERATURE
Length:3
Scale:10
Unit:Hours
Default Value:999
I: EXTREME-AIR-TEMPERATURE #2 code
The code that denotes an EXTREME-AIR-TEMPERATURE as a maximum or a minimum
Length:1
Default Value:9
Table of Values:
M: Maximum temperature
N: Minimum temperature
O: Estimated minimum temperature
P: Estimated maximum temperature
TEMP: EXTREME-AIR-TEMPERATURE #2 temperature
The temperature of the high or low air temperature for a given period
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: EXTREME-AIR-TEMPERATURE #2 temperature quality code
The code that denotes a quality status of the reported EXTREME-AIR-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC Surface Hourly or NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC Surface Hourly or NCDC ASOS/AWOS
6: Suspect, from NCDC Surface Hourly or NCDC ASOS/AWOS
7: Erroneous, from NCDC Surface Hourly or NCDC ASOS/AWOS
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
AVG TEMP: AVERAGE-AIR-TEMPERATURE header
Length:3
PR: AVERAGE-AIR-TEMPERATURE period quantity
The quantity of time over which temperatures were sampled to determine
the AVERAGE-AIR-TEMPERATURE
Length:3
Scale:1
Unit:Hours
Default Value:999
I: AVERAGE-AIR-TEMPERATURE code
The code that denotes an AVERAGE-AIR-TEMPERATURE as a mean, an average
maximum, or an average minimum
Length:1
Default Value:9
Table of Values:
A: Mean temperature
M: Maximum temperature average
N: Minimum temperature average
TEMP: AVERAGE-AIR-TEMPERATURE temperature
The mean air temperature for a given period, typically for the day or month,
as reported by the station (ie, not derived from other data fields)
Length:5
Scale:100
Unit:Degrees Celsius
Default Value:+9999
Q: AVERAGE-AIR-TEMPERATURE temperature quality code
The code that denotes a quality status of the reported AVERAGE-AIR-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
AVG TEMP: AVERAGE-AIR-TEMPERATURE header #2
Length:3
PR: AVERAGE-AIR-TEMPERATURE #2 period quantity
The quantity of time over which temperatures were sampled to determine
the AVERAGE-AIR-TEMPERATURE
Length:3
Scale:1
Unit:Hours
Default Value:999
I: AVERAGE-AIR-TEMPERATURE #2 code
The code that denotes an AVERAGE-AIR-TEMPERATURE as a mean, an average
maximum, or an average minimum
Length:1
Default Value:9
Table of Values:
A: Mean temperature
M: Maximum temperature average
N: Minimum temperature average
TEMP: AVERAGE-AIR-TEMPERATURE #2 temperature
The mean air temperature for a given period, typically for the day or month,
as reported by the station (ie, not derived from other data fields)
Length:5
Scale:100
Unit:Degrees Celsius
Default Value:+9999
Q: AVERAGE-AIR-TEMPERATURE #2 temperature quality code
The code that denotes a quality status of the reported AVERAGE-AIR-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
AVG TEMP: AVERAGE-AIR-TEMPERATURE header #3
Length:3
PR: AVERAGE-AIR-TEMPERATURE #3 period quantity
The quantity of time over which temperatures were sampled to determine
the AVERAGE-AIR-TEMPERATURE
Length:3
Scale:1
Unit:Hours
Default Value:999
I: AVERAGE-AIR-TEMPERATURE #3 code
The code that denotes an AVERAGE-AIR-TEMPERATURE as a mean, an average
maximum, or an average minimum
Length:1
Default Value:9
Table of Values:
A: Mean temperature
M: Maximum temperature average
N: Minimum temperature average
TEMP: AVERAGE-AIR-TEMPERATURE #3 temperature
The mean air temperature for a given period, typically for the day or month,
as reported by the station (ie, not derived from other data fields)
Length:5
Scale:100
Unit:Degrees Celsius
Default Value:+9999
Q: AVERAGE-AIR-TEMPERATURE #3 temperature quality code
The code that denotes a quality status of the reported AVERAGE-AIR-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
EXT TEMP: EXTREME AIR-TEMPERATURE FOR THE MONTH header
Length:3
I: EXTREME AIR-TEMPERATURE FOR THE MONTH code
The code that denotes an EXTREME AIR-TEMPERATURE FOR THE MONTH as a maximum
or a minimum
Length:1
Default Value:9
Table of Values:
M: Maximum temperature
N: Minimum temperature
I: EXTREME AIR-TEMPERATURE FOR THE MONTH condition code
The code for EXTREME AIR-TEMPERATURE FOR THE MONTH
Length:1
Default Value:9
Table of Values:
1: The value occurred on other dates in addition to those listed
TEMP: EXTREME AIR-TEMPERATURE FOR THE MONTH temperature
The extremes air temperature for the month, as reported by the station
(ie, not derived from other data fields)
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
DATES: EXTREME AIR-TEMPERATURE FOR THE MONTH dates of occurrence
The dates of occurrence of EXTREME AIR-TEMPERATURE, given as the date for
each occurrence, for up to 3 occurrences; e.g., 041016 indicates days 04,
10, and 16
Length:6
Default Value:99
Q: EXTREME AIR-TEMPERATURE FOR THE MONTH temperature quality code
The code that denotes a quality status of the reported EXTREME AIR-TEMPERATURE
FOR THE MONTH
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
EXT TEMP: EXTREME AIR-TEMPERATURE FOR THE MONTH header #2
Length:3
I: EXTREME AIR-TEMPERATURE FOR THE MONTH #2 code
The code that denotes an EXTREME AIR-TEMPERATURE FOR THE MONTH as a maximum
or a minimum
Length:1
Default Value:9
Table of Values:
M: Maximum temperature
N: Minimum temperature
I: EXTREME AIR-TEMPERATURE FOR THE MONTH #2 condition code
The code for EXTREME AIR-TEMPERATURE FOR THE MONTH
Length:1
Default Value:9
Table of Values:
1: The value occurred on other dates in addition to those listed
TEMP: EXTREME AIR-TEMPERATURE FOR THE MONTH #2 temperature
The extremes air temperature for the month, as reported by the station
(ie, not derived from other data fields)
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
DATES: EXTREME AIR-TEMPERATURE FOR THE MONTH #2 dates of occurrence
The dates of occurrence of EXTREME AIR-TEMPERATURE, given as the date for
each occurrence, for up to 3 occurrences; e.g., 041016 indicates days 04,
10, and 16
Length:6
Default Value:99
Q: EXTREME AIR-TEMPERATURE FOR THE MONTH #2 temperature quality code
The code that denotes a quality status of the reported EXTREME AIR-TEMPERATURE
FOR THE MONTH
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
DEGREE DAYS: HEATING-COOLING-DEGREE-DAYS header
Length:3
PR: HEATING-COOLING-DEGREE-DAYS period quantity
The quantity of time over which temperatures were sampled to determine
the HEATING-COOLING-DEGREE-DAYS
Length:3
Scale:1
Unit:Hours
Default Value:999
I: HEATING-COOLING-DEGREE-DAYS code
The code that denotes the value as being heating degree days or cooling
degree days
Length:1
Default Value:9
Table of Values:
C: Cooling Degree Days
H: Heating Degree Days
DGDY: HEATING-COOLING-DEGREE-DAYS value
The total heating or cooling degree days for a given period, typically
for the day or month, as reported by the station (ie, not derived from
other data fields)
Length:4
Scale:1
Unit:Heating Or Cooling Degree Days
Default Value:9999
Q: HEATING-COOLING-DEGREE-DAYS quality code
The code that denotes a quality status of the reported HEATING-COOLING-DEGREE-DAYS
data
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
DEGREE DAYS: HEATING-COOLING-DEGREE-DAYS header #2
Length:3
PR: HEATING-COOLING-DEGREE-DAYS #2 period quantity
The quantity of time over which temperatures were sampled to determine
the HEATING-COOLING-DEGREE-DAYS
Length:3
Scale:1
Unit:Hours
Default Value:999
I: HEATING-COOLING-DEGREE-DAYS #2 code
The code that denotes the value as being heating degree days or cooling
degree days
Length:1
Default Value:9
Table of Values:
C: Cooling Degree Days
H: Heating Degree Days
DGDY: HEATING-COOLING-DEGREE-DAYS #2 value
The total heating or cooling degree days for a given period, typically
for the day or month, as reported by the station (ie, not derived from
other data fields)
Length:4
Scale:1
Unit:Heating Or Cooling Degree Days
Default Value:9999
Q: HEATING-COOLING-DEGREE-DAYS #2 quality code
The code that denotes a quality status of the reported HEATING-COOLING-DEGREE-DAYS
data
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
EXT TEMP: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH header
Length:3
DM: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with maximum temperature 32 F (0.0 C) or lower
The number of days with maximum temperature 32 F (0.0 C) or lower
Length:2
Default Value:99
Q: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with maximum temperature 32 F (0.0 C) or lower quality code
The code that denotes a quality status of the reported days with max temperature
32 F (0.0 C) or lower
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
DM: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with maximum temperature 90 F (32.2 C) or higher
The number of days with maximum temperature 90 F (32.2 C) or higher, except
for Alaska 70 F (21.1 C) or higher
Length:2
Default Value:99
Q: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with maximum temperature 90 F (32.2 C) or higher quality code
The code that denotes a quality status of the reported days with max temperature
90 F (32.2 C) or higher (70 F for Alaska)
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
DM: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with minimum temperature 32 F (0.0 C) or lower
The number of days with minimum temperature 32 F (0.0 C) or lower
Length:2
Default Value:99
Q: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with minimum temperature 32 F (0.0 C) or lower quality code
The code that denotes a quality status of the reported days with min temperature
32 F (0.0 C) or lower
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
DM: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with minimum temperature 0 F (-17.8 C) or lower
The number of days with minimum temperature 0 F (-17.8 C) or lower
Length:2
Default Value:99
Q: EXTREME TEMPERATURES, NUMBER OF DAYS EXCEEDING CRITERIA, FOR THE MONTH Number of days with minimum temperature 0 F (-17.8 C) or lower quality code
The code that denotes a quality status of the reported days with min temperature
0 F (-17.8 C) or lower
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, from NCDC ASOS/AWOS
5: Passed all quality control checks, from NCDC ASOS/AWOS
6: Suspect, from NCDC ASOS/AWOS
7: Erroneous, from NCDC ASOS/AWOS
9: Passed gross limits check if element is present
TEMP: Hourly Calculated Temperature Section header
Length:3
TEMP: Hourly Calculated Temperature Section derived air temperature
The calculated hourly average air temperature
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: Hourly Calculated Temperature Section quality code
The code that indicates ISD?s evaluation of the quality status of the calculated
hourly average air temperature
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
PRESSURE: ATMOSPHERIC-PRESSURE-OBSERVATION (ALT/STP) header
Length:3
ALT: ATMOSPHERIC-PRESSURE-OBSERVATION (ALT/STP) altimeter setting rate
The pressure value to which an aircraft altimeter is set so that it will
indicate the altitude relative to mean sea level of an aircraft on the
ground at the location for which the value was determined.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION (ALT/STP) altimeter quality code
The code that denotes a quality status of an altimeter setting rate.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
STP: ATMOSPHERIC-PRESSURE-OBSERVATION (ALT/STP) station pressure rate
The atmospheric pressure at the observation point.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION (ALT/STP) station pressure quality code
The code that denotes a quality status of the station pressure of an ATMOSPHERIC-PRESSURE-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
PRES CHG: ATMOSPHERIC-PRESSURE-CHANGE header
Length:3
T: ATMOSPHERIC-PRESSURE-CHANGE tendency code
The code that denotes the characteristics of an ATMOSPHERIC-PRESSURE-CHANGE
that occurs over a period of three hours.
Length:1
Default Value:9
Table of Values:
0: Increasing, then decreasing; atmospheric pressure the same or higher than 3 hours ago
1: Increasing then steady; or increasing, then increasing more slowly; atmospheric pressure now higher than 3 hours ago
2: Increasing (steadily or unsteadily); atmospheric pressure now higher than 3 hours ago
3: Decreasing or steady, then increasing; or increasing, then increasing more rapidly; atmospheric pressure now higher than 3 hours ago
4: Steady; atmospheric pressure the same as 3 hours ago
5: Decreasing, then increasing; atmospheric pressure the same or lower than 3 hours ago
6: Decreasing, then steady; or decreasing, then decreasing more slowly; atmospheric pressure now lower than 3 hours ago
7: Decreasing (steadily or unsteadily); atmospheric pressure now lower than 3 hours ago
8: Steady or increasing, then decreasing; or decreasing, then decreasing more rapidly; atmospheric pressure now lower than 3 hours ago
Q: ATMOSPHERIC-PRESSURE-CHANGE quality tendency code
The code that denotes a quality status of the tendency of an ATMOSPHERIC-PRESSURE-CHANGE.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
3HR: ATMOSPHERIC-PRESSURE-CHANGE three hour quantity
The absolute value of the quantity of change in atmospheric pressure measured
at the beginning and end of a three hour period.
Length:3
Scale:10
Unit:Hectopascals
Default Value:999
Q: ATMOSPHERIC-PRESSURE-CHANGE quality three hour code
The code that denotes the quality status of the three hour quantity for
an ATMOPSHERIC-
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
24HR: ATMOSPHERIC-PRESSURE-CHANGE twenty four hour quantity
The quantity of change in atmospheric pressure measured at the beginning
and end of a twenty four hour period.
Length:4
Scale:10
Unit:Hectopascals
Default Value:+999
Q: ATMOSPHERIC-PRESSURE-CHANGE quality twenty four hour code
The code that denotes a quality status of a reported twenty four hour ATMOSPHERIC-PRESSURE-
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
GEOPOT: GEOPOTENTIAL-HEIGHT-ISOBARIC-LEVEL header
Length:3
C: GEOPOTENTIAL-HEIGHT-ISOBARIC-LEVEL code
The code that denotes the isobaric surface used to represent geopotential
height.
Length:1
Default Value:9
Table of Values:
1: 1000 hectopascals
2: 925 hectopascals
3: 850 hectopascals
4: 700 hectopascals
5: 500 hectopascals
HGT: GEOPOTENTIAL-HEIGHT-ISOBARIC-LEVEL height dimension
The height of a GEOPOTENTIAL-HEIGHT-ISOBARIC-LEVEL
Length:4
Scale:1
Unit:Geopotential Meters
Default Value:9999
Q: GEOPOTENTIAL-HEIGHT-ISOBARIC-LEVEL height dimension quality code
The code that denotes a quality status of the reported GEOPOTENTIAL-HEIGHT-ISOBARIC-LEVEL
height dimension.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
AVG STP: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) header
Length:3
PRESSURE: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH header
Length:3
AVMNS: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH average station pressure for the month
The average pressure at the observation point for the month.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH average station pressure quality code
The code that denotes the quality status of an average station pressure.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
AVMNS: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH average sea level pressure for the month
The average sea level pressure for the month at the observation point.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH average sea level pressure for the month quality code
The code that denotes the quality status of the average sea level pressure
for the month.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
PRESSURE: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH (continued) header
Length:3
MXMNS: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH (continued) maximum sea level pressure for the month
The maximum sea level pressure at the observation point for the month.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
TIME: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH (continued) maximum sea level pressure, date-time
The date-time of occurrence of the pressure value, given as the date-time;
e.g., 051500 indicates day 05, time 1500.
Length:6
Default Value:999999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH (continued) maximum sea level pressure quality code
The code that denotes the quality status of an maximum sea level pressure.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
MNMNS: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH (continued) minimum sea level pressure for the month
The minimum sea level pressure at the observation point for the month.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
TIME: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH (continued) minimum sea level pressure, date-time
The date-time of occurrence of the pressure value, given as the date-time;
e.g., 051500 indicates day 05, time 1500.
Length:6
Default Value:999999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION FOR THE MONTH (continued) minimum sea level pressure quality code
The code that denotes the quality status of a minimum sea level pressure.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WXV: PRESENT-WEATHER-IN-VICINITY-OBSERVATION header
Length:3
WX: PRESENT-WEATHER-IN-VICINITY-OBSERVATION atmospheric condition code
The code that denotes a specific type of weather observed between 5 and
10 statute miles of the station at the time of observation. Observed at
selected stations from July 1, 1996 to present.
Length:2
Default Value:99
Table of Values:
00: No observation
01: Thunderstorm in vicinity
02: Showers in vicinity
03: Sandstorm in vicinity
04: Sand / dust whirls in vicinity
05: Duststorm in vicinity
06: Blowing snow in vicinity
07: Blowing sand in vicinity
08: Blowing dust in vicinity
09: Fog in vicinity
Q: PRESENT-WEATHER-IN-VICINITY-OBSERVATION quality atmospheric condition code
The code that denotes a quality status of a reported present weather in
vicinity observation from a station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WXV: PRESENT-WEATHER-IN-VICINITY-OBSERVATION header #2
Length:3
WX: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #2 atmospheric condition code
The code that denotes a specific type of weather observed between 5 and
10 statute miles of the station at the time of observation. Observed at
selected stations from July 1, 1996 to present.
Length:2
Default Value:99
Table of Values:
00: No observation
01: Thunderstorm in vicinity
02: Showers in vicinity
03: Sandstorm in vicinity
04: Sand / dust whirls in vicinity
05: Duststorm in vicinity
06: Blowing snow in vicinity
07: Blowing sand in vicinity
08: Blowing dust in vicinity
09: Fog in vicinity
Q: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #2 quality atmospheric condition code
The code that denotes a quality status of a reported present weather in
vicinity observation from a station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WXV: PRESENT-WEATHER-IN-VICINITY-OBSERVATION header #3
Length:3
WX: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #3 atmospheric condition code
The code that denotes a specific type of weather observed between 5 and
10 statute miles of the station at the time of observation. Observed at
selected stations from July 1, 1996 to present.
Length:2
Default Value:99
Table of Values:
00: No observation
01: Thunderstorm in vicinity
02: Showers in vicinity
03: Sandstorm in vicinity
04: Sand / dust whirls in vicinity
05: Duststorm in vicinity
06: Blowing snow in vicinity
07: Blowing sand in vicinity
08: Blowing dust in vicinity
09: Fog in vicinity
Q: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #3 quality atmospheric condition code
The code that denotes a quality status of a reported present weather in
vicinity observation from a station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WXV: PRESENT-WEATHER-IN-VICINITY-OBSERVATION header #4
Length:3
WX: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #4 atmospheric condition code
The code that denotes a specific type of weather observed between 5 and
10 statute miles of the station at the time of observation. Observed at
selected stations from July 1, 1996 to present.
Length:2
Default Value:99
Table of Values:
00: No observation
01: Thunderstorm in vicinity
02: Showers in vicinity
03: Sandstorm in vicinity
04: Sand / dust whirls in vicinity
05: Duststorm in vicinity
06: Blowing snow in vicinity
07: Blowing sand in vicinity
08: Blowing dust in vicinity
09: Fog in vicinity
Q: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #4 quality atmospheric condition code
The code that denotes a quality status of a reported present weather in
vicinity observation from a station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WXV: PRESENT-WEATHER-IN-VICINITY-OBSERVATION header #5
Length:3
WX: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #5 atmospheric condition code
The code that denotes a specific type of weather observed between 5 and
10 statute miles of the station at the time of observation. Observed at
selected stations from July 1, 1996 to present.
Length:2
Default Value:99
Table of Values:
00: No observation
01: Thunderstorm in vicinity
02: Showers in vicinity
03: Sandstorm in vicinity
04: Sand / dust whirls in vicinity
05: Duststorm in vicinity
06: Blowing snow in vicinity
07: Blowing sand in vicinity
08: Blowing dust in vicinity
09: Fog in vicinity
Q: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #5 quality atmospheric condition code
The code that denotes a quality status of a reported present weather in
vicinity observation from a station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WXV: PRESENT-WEATHER-IN-VICINITY-OBSERVATION header #6
Length:3
WX: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #6 atmospheric condition code
The code that denotes a specific type of weather observed between 5 and
10 statute miles of the station at the time of observation. Observed at
selected stations from July 1, 1996 to present.
Length:2
Default Value:99
Table of Values:
00: No observation
01: Thunderstorm in vicinity
02: Showers in vicinity
03: Sandstorm in vicinity
04: Sand / dust whirls in vicinity
05: Duststorm in vicinity
06: Blowing snow in vicinity
07: Blowing sand in vicinity
08: Blowing dust in vicinity
09: Fog in vicinity
Q: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #6 quality atmospheric condition code
The code that denotes a quality status of a reported present weather in
vicinity observation from a station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WXV: PRESENT-WEATHER-IN-VICINITY-OBSERVATION header #7
Length:3
WX: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #7 atmospheric condition code
The code that denotes a specific type of weather observed between 5 and
10 statute miles of the station at the time of observation. Observed at
selected stations from July 1, 1996 to present.
Length:2
Default Value:99
Table of Values:
00: No observation
01: Thunderstorm in vicinity
02: Showers in vicinity
03: Sandstorm in vicinity
04: Sand / dust whirls in vicinity
05: Duststorm in vicinity
06: Blowing snow in vicinity
07: Blowing sand in vicinity
08: Blowing dust in vicinity
09: Fog in vicinity
Q: PRESENT-WEATHER-IN-VICINITY-OBSERVATION #7 quality atmospheric condition code
The code that denotes a quality status of a reported present weather in
vicinity observation from a station.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
WX-M: PRESENT-WEATHER-OBSERVATION manual header
Length:3
WX: PRESENT-WEATHER-OBSERVATION manual atmospheric condition code
The code that denotes a specific type of weather observed manually.
Length:2
Table of Values:
00: Cloud development not observed or not observable
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged
03: Clouds generally forming or developing
04: Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
05: Haze
06: Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
08: Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding or at the time of observation, but no duststorm or sandstorm
09: Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10: Mist
11: Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
12: More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
13: Lightning visible, no thunder heard
14: Precipitation within sight, not reaching the ground or the surface of the sea
15: Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e., estimated to be more than 5 km from the station
16: Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17: Thunderstorm, but no precipitation at the time of observation
18: Squalls at or within sight of the station during the preceding hour or at the time of observation
19: Funnel cloud(s) (Tornado cloud or waterspout) at or within sight of the station during the preceding
20: Drizzle (not freezing) or snow grains not falling as shower(s)
21: Rain (not freezing) not falling as shower(s)
22: Snow not falling as shower(s)
23: Rain and snow or ice pellets not falling as shower(s)
24: Freezing drizzle or freezing rain not falling as shower(s)
25: Shower(s) of rain
26: Shower(s) of snow or of rain and snow
27: Shower(s) of hail (Hail, small hail, snow pellets), or rain and hail
28: Fog or ice fog
29: Thunderstorm (with or without precipitation)
30: Slight or moderate duststorm or sandstorm has decreased during the preceding hour
31: Slight or moderate duststorm or sandstorm no appreciable change during the preceding hour
32: Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour
33: Severe duststorm or sandstorm has decreased during the preceding hour
34: Severe duststorm or sandstorm no appreciable change during the preceding hour
35: Severe duststorm or sandstorm has begun or has increased during the preceding hour
36: Slight or moderate drifting snow generally low (below eye level)
37: Heavy drifting snow generally low (below eye level)
38: Slight or moderate blowing snow generally high (above eye level)
39: Heavy blowing snow generally high (above eye level)
40: Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41: Fog or ice fog in patches
42: Fog or ice fog, sky visible, has become thinner during the preceding hour
43: Fog or ice fog, sky invisible, has become thinner during the preceding hour
44: Fog or ice fog, sky visible, no appreciable change during the preceding hour
45: Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46: Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47: Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48: Fog, depositing rime, sky visible
49: Fog, depositing rime, sky invisible
50: Drizzle, not freezing, intermittent, slight at time of observation
51: Drizzle, not freezing, continuous, slight at time of observation
52: Drizzle, not freezing, intermittent, moderate at time of observation
53: Drizzle, not freezing, continuous, moderate at time of observation
54: Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55: Drizzle, not freezing, continuous, heavy (dense) at time of observation
56: Drizzle, freezing, slight
57: Drizzle, freezing, moderate or heavy (dense)
58: Drizzle and rain, slight
59: Drizzle and rain, moderate or heavy
60: Rain, not freezing, intermittent, slight at time of observation
61: Rain, not freezing, continuous, slight at time of observation
62: Rain, not freezing, intermittent, moderate at time of observation
63: Rain, not freezing, continuous, moderate at time of observation
64: Rain, not freezing, intermittent, heavy at time of observation
65: Rain, not freezing, continuous, heavy at time of observation
66: Rain, freezing, slight
67: Rain, freezing, moderate or heavy
68: Rain or drizzle and snow, slight
69: Rain or drizzle and snow, moderate or heavy
70: Intermittent fall of snowflakes, slight at time of observation
71: Continuous fall of snowflakes, slight at time of observation
72: Intermittent fall of snowflakes, moderate at time of observation
73: Continuous fall of snowflakes, moderate at time of observation
74: Intermittent fall of snowflakes, heavy at time of observation
75: Continuous fall of snowflakes, heavy at time of observation
76: Diamond dust (with or without fog)
77: Snow grains (with or without fog)
78: Isolated star-like snow crystals (with or without fog)
79: Ice pellets
80: Rain shower(s), slight
81: Rain shower(s), moderate or heavy
82: Rain shower(s), violent
83: Shower(s) of rain and snow mixed, slight
84: Shower(s) of rain and snow mixed, moderate or heavy
85: Show shower(s), slight
86: Snow shower(s), moderate or heavy
87: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, slight
88: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, moderate or heavy
89: Shower(s) of hail (hail, small hail, snow pellets) , with or without rain or rain and snow mixed, not associated with thunder, slight
90: Shower(s) of hail (hail, small hail, snow pellets), with or without rain or rain and snow mixed, not associated with thunder, moderate or heavy
91: Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92: Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93: Slight snow, or rain and snow mixed or hail (Hail, small hail, snow pellets), at time of observation, thunderstorm during the preceding hour but not at time of observation
94: Moderate or heavy snow, or rain and snow mixed or hail(Hail, small hail, snow pellets) at time of observation, thunderstorm during the preceding hour but not at time of observation
95: Thunderstorm, slight or moderate, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
96: Thunderstorm, slight or moderate, with hail (hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
97: Thunderstorm, heavy, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
98: Thunderstorm combined with duststorm or sandstorm at time of observation, thunderstorm at time of observation
99: Thunderstorm, heavy, with hail (Hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
Q: PRESENT-WEATHER-OBSERVATION manual Quality manual atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-M: PRESENT-WEATHER-OBSERVATION manual header #2
Length:3
WX: PRESENT-WEATHER-OBSERVATION manual #2 atmospheric condition code
The code that denotes a specific type of weather observed manually.
Length:2
Table of Values:
00: Cloud development not observed or not observable
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged
03: Clouds generally forming or developing
04: Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
05: Haze
06: Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
08: Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding or at the time of observation, but no duststorm or sandstorm
09: Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10: Mist
11: Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
12: More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
13: Lightning visible, no thunder heard
14: Precipitation within sight, not reaching the ground or the surface of the sea
15: Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e., estimated to be more than 5 km from the station
16: Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17: Thunderstorm, but no precipitation at the time of observation
18: Squalls at or within sight of the station during the preceding hour or at the time of observation
19: Funnel cloud(s) (Tornado cloud or waterspout) at or within sight of the station during the preceding
20: Drizzle (not freezing) or snow grains not falling as shower(s)
21: Rain (not freezing) not falling as shower(s)
22: Snow not falling as shower(s)
23: Rain and snow or ice pellets not falling as shower(s)
24: Freezing drizzle or freezing rain not falling as shower(s)
25: Shower(s) of rain
26: Shower(s) of snow or of rain and snow
27: Shower(s) of hail (Hail, small hail, snow pellets), or rain and hail
28: Fog or ice fog
29: Thunderstorm (with or without precipitation)
30: Slight or moderate duststorm or sandstorm has decreased during the preceding hour
31: Slight or moderate duststorm or sandstorm no appreciable change during the preceding hour
32: Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour
33: Severe duststorm or sandstorm has decreased during the preceding hour
34: Severe duststorm or sandstorm no appreciable change during the preceding hour
35: Severe duststorm or sandstorm has begun or has increased during the preceding hour
36: Slight or moderate drifting snow generally low (below eye level)
37: Heavy drifting snow generally low (below eye level)
38: Slight or moderate blowing snow generally high (above eye level)
39: Heavy blowing snow generally high (above eye level)
40: Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41: Fog or ice fog in patches
42: Fog or ice fog, sky visible, has become thinner during the preceding hour
43: Fog or ice fog, sky invisible, has become thinner during the preceding hour
44: Fog or ice fog, sky visible, no appreciable change during the preceding hour
45: Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46: Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47: Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48: Fog, depositing rime, sky visible
49: Fog, depositing rime, sky invisible
50: Drizzle, not freezing, intermittent, slight at time of observation
51: Drizzle, not freezing, continuous, slight at time of observation
52: Drizzle, not freezing, intermittent, moderate at time of observation
53: Drizzle, not freezing, continuous, moderate at time of observation
54: Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55: Drizzle, not freezing, continuous, heavy (dense) at time of observation
56: Drizzle, freezing, slight
57: Drizzle, freezing, moderate or heavy (dense)
58: Drizzle and rain, slight
59: Drizzle and rain, moderate or heavy
60: Rain, not freezing, intermittent, slight at time of observation
61: Rain, not freezing, continuous, slight at time of observation
62: Rain, not freezing, intermittent, moderate at time of observation
63: Rain, not freezing, continuous, moderate at time of observation
64: Rain, not freezing, intermittent, heavy at time of observation
65: Rain, not freezing, continuous, heavy at time of observation
66: Rain, freezing, slight
67: Rain, freezing, moderate or heavy
68: Rain or drizzle and snow, slight
69: Rain or drizzle and snow, moderate or heavy
70: Intermittent fall of snowflakes, slight at time of observation
71: Continuous fall of snowflakes, slight at time of observation
72: Intermittent fall of snowflakes, moderate at time of observation
73: Continuous fall of snowflakes, moderate at time of observation
74: Intermittent fall of snowflakes, heavy at time of observation
75: Continuous fall of snowflakes, heavy at time of observation
76: Diamond dust (with or without fog)
77: Snow grains (with or without fog)
78: Isolated star-like snow crystals (with or without fog)
79: Ice pellets
80: Rain shower(s), slight
81: Rain shower(s), moderate or heavy
82: Rain shower(s), violent
83: Shower(s) of rain and snow mixed, slight
84: Shower(s) of rain and snow mixed, moderate or heavy
85: Show shower(s), slight
86: Snow shower(s), moderate or heavy
87: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, slight
88: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, moderate or heavy
89: Shower(s) of hail (hail, small hail, snow pellets) , with or without rain or rain and snow mixed, not associated with thunder, slight
90: Shower(s) of hail (hail, small hail, snow pellets), with or without rain or rain and snow mixed, not associated with thunder, moderate or heavy
91: Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92: Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93: Slight snow, or rain and snow mixed or hail (Hail, small hail, snow pellets), at time of observation, thunderstorm during the preceding hour but not at time of observation
94: Moderate or heavy snow, or rain and snow mixed or hail(Hail, small hail, snow pellets) at time of observation, thunderstorm during the preceding hour but not at time of observation
95: Thunderstorm, slight or moderate, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
96: Thunderstorm, slight or moderate, with hail (hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
97: Thunderstorm, heavy, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
98: Thunderstorm combined with duststorm or sandstorm at time of observation, thunderstorm at time of observation
99: Thunderstorm, heavy, with hail (Hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
Q: PRESENT-WEATHER-OBSERVATION manual #2 Quality manual atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-M: PRESENT-WEATHER-OBSERVATION manual header #3
Length:3
WX: PRESENT-WEATHER-OBSERVATION manual #3 atmospheric condition code
The code that denotes a specific type of weather observed manually.
Length:2
Table of Values:
00: Cloud development not observed or not observable
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged
03: Clouds generally forming or developing
04: Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
05: Haze
06: Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
08: Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding or at the time of observation, but no duststorm or sandstorm
09: Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10: Mist
11: Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
12: More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
13: Lightning visible, no thunder heard
14: Precipitation within sight, not reaching the ground or the surface of the sea
15: Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e., estimated to be more than 5 km from the station
16: Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17: Thunderstorm, but no precipitation at the time of observation
18: Squalls at or within sight of the station during the preceding hour or at the time of observation
19: Funnel cloud(s) (Tornado cloud or waterspout) at or within sight of the station during the preceding
20: Drizzle (not freezing) or snow grains not falling as shower(s)
21: Rain (not freezing) not falling as shower(s)
22: Snow not falling as shower(s)
23: Rain and snow or ice pellets not falling as shower(s)
24: Freezing drizzle or freezing rain not falling as shower(s)
25: Shower(s) of rain
26: Shower(s) of snow or of rain and snow
27: Shower(s) of hail (Hail, small hail, snow pellets), or rain and hail
28: Fog or ice fog
29: Thunderstorm (with or without precipitation)
30: Slight or moderate duststorm or sandstorm has decreased during the preceding hour
31: Slight or moderate duststorm or sandstorm no appreciable change during the preceding hour
32: Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour
33: Severe duststorm or sandstorm has decreased during the preceding hour
34: Severe duststorm or sandstorm no appreciable change during the preceding hour
35: Severe duststorm or sandstorm has begun or has increased during the preceding hour
36: Slight or moderate drifting snow generally low (below eye level)
37: Heavy drifting snow generally low (below eye level)
38: Slight or moderate blowing snow generally high (above eye level)
39: Heavy blowing snow generally high (above eye level)
40: Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41: Fog or ice fog in patches
42: Fog or ice fog, sky visible, has become thinner during the preceding hour
43: Fog or ice fog, sky invisible, has become thinner during the preceding hour
44: Fog or ice fog, sky visible, no appreciable change during the preceding hour
45: Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46: Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47: Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48: Fog, depositing rime, sky visible
49: Fog, depositing rime, sky invisible
50: Drizzle, not freezing, intermittent, slight at time of observation
51: Drizzle, not freezing, continuous, slight at time of observation
52: Drizzle, not freezing, intermittent, moderate at time of observation
53: Drizzle, not freezing, continuous, moderate at time of observation
54: Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55: Drizzle, not freezing, continuous, heavy (dense) at time of observation
56: Drizzle, freezing, slight
57: Drizzle, freezing, moderate or heavy (dense)
58: Drizzle and rain, slight
59: Drizzle and rain, moderate or heavy
60: Rain, not freezing, intermittent, slight at time of observation
61: Rain, not freezing, continuous, slight at time of observation
62: Rain, not freezing, intermittent, moderate at time of observation
63: Rain, not freezing, continuous, moderate at time of observation
64: Rain, not freezing, intermittent, heavy at time of observation
65: Rain, not freezing, continuous, heavy at time of observation
66: Rain, freezing, slight
67: Rain, freezing, moderate or heavy
68: Rain or drizzle and snow, slight
69: Rain or drizzle and snow, moderate or heavy
70: Intermittent fall of snowflakes, slight at time of observation
71: Continuous fall of snowflakes, slight at time of observation
72: Intermittent fall of snowflakes, moderate at time of observation
73: Continuous fall of snowflakes, moderate at time of observation
74: Intermittent fall of snowflakes, heavy at time of observation
75: Continuous fall of snowflakes, heavy at time of observation
76: Diamond dust (with or without fog)
77: Snow grains (with or without fog)
78: Isolated star-like snow crystals (with or without fog)
79: Ice pellets
80: Rain shower(s), slight
81: Rain shower(s), moderate or heavy
82: Rain shower(s), violent
83: Shower(s) of rain and snow mixed, slight
84: Shower(s) of rain and snow mixed, moderate or heavy
85: Show shower(s), slight
86: Snow shower(s), moderate or heavy
87: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, slight
88: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, moderate or heavy
89: Shower(s) of hail (hail, small hail, snow pellets) , with or without rain or rain and snow mixed, not associated with thunder, slight
90: Shower(s) of hail (hail, small hail, snow pellets), with or without rain or rain and snow mixed, not associated with thunder, moderate or heavy
91: Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92: Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93: Slight snow, or rain and snow mixed or hail (Hail, small hail, snow pellets), at time of observation, thunderstorm during the preceding hour but not at time of observation
94: Moderate or heavy snow, or rain and snow mixed or hail(Hail, small hail, snow pellets) at time of observation, thunderstorm during the preceding hour but not at time of observation
95: Thunderstorm, slight or moderate, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
96: Thunderstorm, slight or moderate, with hail (hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
97: Thunderstorm, heavy, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
98: Thunderstorm combined with duststorm or sandstorm at time of observation, thunderstorm at time of observation
99: Thunderstorm, heavy, with hail (Hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
Q: PRESENT-WEATHER-OBSERVATION manual #3 Quality manual atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-M: PRESENT-WEATHER-OBSERVATION manual header #4
Length:3
WX: PRESENT-WEATHER-OBSERVATION manual #4 atmospheric condition code
The code that denotes a specific type of weather observed manually.
Length:2
Table of Values:
00: Cloud development not observed or not observable
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged
03: Clouds generally forming or developing
04: Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
05: Haze
06: Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
08: Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding or at the time of observation, but no duststorm or sandstorm
09: Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10: Mist
11: Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
12: More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
13: Lightning visible, no thunder heard
14: Precipitation within sight, not reaching the ground or the surface of the sea
15: Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e., estimated to be more than 5 km from the station
16: Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17: Thunderstorm, but no precipitation at the time of observation
18: Squalls at or within sight of the station during the preceding hour or at the time of observation
19: Funnel cloud(s) (Tornado cloud or waterspout) at or within sight of the station during the preceding
20: Drizzle (not freezing) or snow grains not falling as shower(s)
21: Rain (not freezing) not falling as shower(s)
22: Snow not falling as shower(s)
23: Rain and snow or ice pellets not falling as shower(s)
24: Freezing drizzle or freezing rain not falling as shower(s)
25: Shower(s) of rain
26: Shower(s) of snow or of rain and snow
27: Shower(s) of hail (Hail, small hail, snow pellets), or rain and hail
28: Fog or ice fog
29: Thunderstorm (with or without precipitation)
30: Slight or moderate duststorm or sandstorm has decreased during the preceding hour
31: Slight or moderate duststorm or sandstorm no appreciable change during the preceding hour
32: Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour
33: Severe duststorm or sandstorm has decreased during the preceding hour
34: Severe duststorm or sandstorm no appreciable change during the preceding hour
35: Severe duststorm or sandstorm has begun or has increased during the preceding hour
36: Slight or moderate drifting snow generally low (below eye level)
37: Heavy drifting snow generally low (below eye level)
38: Slight or moderate blowing snow generally high (above eye level)
39: Heavy blowing snow generally high (above eye level)
40: Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41: Fog or ice fog in patches
42: Fog or ice fog, sky visible, has become thinner during the preceding hour
43: Fog or ice fog, sky invisible, has become thinner during the preceding hour
44: Fog or ice fog, sky visible, no appreciable change during the preceding hour
45: Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46: Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47: Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48: Fog, depositing rime, sky visible
49: Fog, depositing rime, sky invisible
50: Drizzle, not freezing, intermittent, slight at time of observation
51: Drizzle, not freezing, continuous, slight at time of observation
52: Drizzle, not freezing, intermittent, moderate at time of observation
53: Drizzle, not freezing, continuous, moderate at time of observation
54: Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55: Drizzle, not freezing, continuous, heavy (dense) at time of observation
56: Drizzle, freezing, slight
57: Drizzle, freezing, moderate or heavy (dense)
58: Drizzle and rain, slight
59: Drizzle and rain, moderate or heavy
60: Rain, not freezing, intermittent, slight at time of observation
61: Rain, not freezing, continuous, slight at time of observation
62: Rain, not freezing, intermittent, moderate at time of observation
63: Rain, not freezing, continuous, moderate at time of observation
64: Rain, not freezing, intermittent, heavy at time of observation
65: Rain, not freezing, continuous, heavy at time of observation
66: Rain, freezing, slight
67: Rain, freezing, moderate or heavy
68: Rain or drizzle and snow, slight
69: Rain or drizzle and snow, moderate or heavy
70: Intermittent fall of snowflakes, slight at time of observation
71: Continuous fall of snowflakes, slight at time of observation
72: Intermittent fall of snowflakes, moderate at time of observation
73: Continuous fall of snowflakes, moderate at time of observation
74: Intermittent fall of snowflakes, heavy at time of observation
75: Continuous fall of snowflakes, heavy at time of observation
76: Diamond dust (with or without fog)
77: Snow grains (with or without fog)
78: Isolated star-like snow crystals (with or without fog)
79: Ice pellets
80: Rain shower(s), slight
81: Rain shower(s), moderate or heavy
82: Rain shower(s), violent
83: Shower(s) of rain and snow mixed, slight
84: Shower(s) of rain and snow mixed, moderate or heavy
85: Show shower(s), slight
86: Snow shower(s), moderate or heavy
87: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, slight
88: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, moderate or heavy
89: Shower(s) of hail (hail, small hail, snow pellets) , with or without rain or rain and snow mixed, not associated with thunder, slight
90: Shower(s) of hail (hail, small hail, snow pellets), with or without rain or rain and snow mixed, not associated with thunder, moderate or heavy
91: Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92: Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93: Slight snow, or rain and snow mixed or hail (Hail, small hail, snow pellets), at time of observation, thunderstorm during the preceding hour but not at time of observation
94: Moderate or heavy snow, or rain and snow mixed or hail(Hail, small hail, snow pellets) at time of observation, thunderstorm during the preceding hour but not at time of observation
95: Thunderstorm, slight or moderate, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
96: Thunderstorm, slight or moderate, with hail (hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
97: Thunderstorm, heavy, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
98: Thunderstorm combined with duststorm or sandstorm at time of observation, thunderstorm at time of observation
99: Thunderstorm, heavy, with hail (Hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
Q: PRESENT-WEATHER-OBSERVATION manual #4 Quality manual atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-M: PRESENT-WEATHER-OBSERVATION manual header #5
Length:3
WX: PRESENT-WEATHER-OBSERVATION manual #5 atmospheric condition code
The code that denotes a specific type of weather observed manually.
Length:2
Table of Values:
00: Cloud development not observed or not observable
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged
03: Clouds generally forming or developing
04: Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
05: Haze
06: Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
08: Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding or at the time of observation, but no duststorm or sandstorm
09: Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10: Mist
11: Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
12: More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
13: Lightning visible, no thunder heard
14: Precipitation within sight, not reaching the ground or the surface of the sea
15: Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e., estimated to be more than 5 km from the station
16: Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17: Thunderstorm, but no precipitation at the time of observation
18: Squalls at or within sight of the station during the preceding hour or at the time of observation
19: Funnel cloud(s) (Tornado cloud or waterspout) at or within sight of the station during the preceding
20: Drizzle (not freezing) or snow grains not falling as shower(s)
21: Rain (not freezing) not falling as shower(s)
22: Snow not falling as shower(s)
23: Rain and snow or ice pellets not falling as shower(s)
24: Freezing drizzle or freezing rain not falling as shower(s)
25: Shower(s) of rain
26: Shower(s) of snow or of rain and snow
27: Shower(s) of hail (Hail, small hail, snow pellets), or rain and hail
28: Fog or ice fog
29: Thunderstorm (with or without precipitation)
30: Slight or moderate duststorm or sandstorm has decreased during the preceding hour
31: Slight or moderate duststorm or sandstorm no appreciable change during the preceding hour
32: Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour
33: Severe duststorm or sandstorm has decreased during the preceding hour
34: Severe duststorm or sandstorm no appreciable change during the preceding hour
35: Severe duststorm or sandstorm has begun or has increased during the preceding hour
36: Slight or moderate drifting snow generally low (below eye level)
37: Heavy drifting snow generally low (below eye level)
38: Slight or moderate blowing snow generally high (above eye level)
39: Heavy blowing snow generally high (above eye level)
40: Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41: Fog or ice fog in patches
42: Fog or ice fog, sky visible, has become thinner during the preceding hour
43: Fog or ice fog, sky invisible, has become thinner during the preceding hour
44: Fog or ice fog, sky visible, no appreciable change during the preceding hour
45: Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46: Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47: Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48: Fog, depositing rime, sky visible
49: Fog, depositing rime, sky invisible
50: Drizzle, not freezing, intermittent, slight at time of observation
51: Drizzle, not freezing, continuous, slight at time of observation
52: Drizzle, not freezing, intermittent, moderate at time of observation
53: Drizzle, not freezing, continuous, moderate at time of observation
54: Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55: Drizzle, not freezing, continuous, heavy (dense) at time of observation
56: Drizzle, freezing, slight
57: Drizzle, freezing, moderate or heavy (dense)
58: Drizzle and rain, slight
59: Drizzle and rain, moderate or heavy
60: Rain, not freezing, intermittent, slight at time of observation
61: Rain, not freezing, continuous, slight at time of observation
62: Rain, not freezing, intermittent, moderate at time of observation
63: Rain, not freezing, continuous, moderate at time of observation
64: Rain, not freezing, intermittent, heavy at time of observation
65: Rain, not freezing, continuous, heavy at time of observation
66: Rain, freezing, slight
67: Rain, freezing, moderate or heavy
68: Rain or drizzle and snow, slight
69: Rain or drizzle and snow, moderate or heavy
70: Intermittent fall of snowflakes, slight at time of observation
71: Continuous fall of snowflakes, slight at time of observation
72: Intermittent fall of snowflakes, moderate at time of observation
73: Continuous fall of snowflakes, moderate at time of observation
74: Intermittent fall of snowflakes, heavy at time of observation
75: Continuous fall of snowflakes, heavy at time of observation
76: Diamond dust (with or without fog)
77: Snow grains (with or without fog)
78: Isolated star-like snow crystals (with or without fog)
79: Ice pellets
80: Rain shower(s), slight
81: Rain shower(s), moderate or heavy
82: Rain shower(s), violent
83: Shower(s) of rain and snow mixed, slight
84: Shower(s) of rain and snow mixed, moderate or heavy
85: Show shower(s), slight
86: Snow shower(s), moderate or heavy
87: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, slight
88: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, moderate or heavy
89: Shower(s) of hail (hail, small hail, snow pellets) , with or without rain or rain and snow mixed, not associated with thunder, slight
90: Shower(s) of hail (hail, small hail, snow pellets), with or without rain or rain and snow mixed, not associated with thunder, moderate or heavy
91: Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92: Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93: Slight snow, or rain and snow mixed or hail (Hail, small hail, snow pellets), at time of observation, thunderstorm during the preceding hour but not at time of observation
94: Moderate or heavy snow, or rain and snow mixed or hail(Hail, small hail, snow pellets) at time of observation, thunderstorm during the preceding hour but not at time of observation
95: Thunderstorm, slight or moderate, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
96: Thunderstorm, slight or moderate, with hail (hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
97: Thunderstorm, heavy, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
98: Thunderstorm combined with duststorm or sandstorm at time of observation, thunderstorm at time of observation
99: Thunderstorm, heavy, with hail (Hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
Q: PRESENT-WEATHER-OBSERVATION manual #5 Quality manual atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-M: PRESENT-WEATHER-OBSERVATION manual header #6
Length:3
WX: PRESENT-WEATHER-OBSERVATION manual #6 atmospheric condition code
The code that denotes a specific type of weather observed manually.
Length:2
Table of Values:
00: Cloud development not observed or not observable
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged
03: Clouds generally forming or developing
04: Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
05: Haze
06: Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
08: Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding or at the time of observation, but no duststorm or sandstorm
09: Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10: Mist
11: Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
12: More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
13: Lightning visible, no thunder heard
14: Precipitation within sight, not reaching the ground or the surface of the sea
15: Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e., estimated to be more than 5 km from the station
16: Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17: Thunderstorm, but no precipitation at the time of observation
18: Squalls at or within sight of the station during the preceding hour or at the time of observation
19: Funnel cloud(s) (Tornado cloud or waterspout) at or within sight of the station during the preceding
20: Drizzle (not freezing) or snow grains not falling as shower(s)
21: Rain (not freezing) not falling as shower(s)
22: Snow not falling as shower(s)
23: Rain and snow or ice pellets not falling as shower(s)
24: Freezing drizzle or freezing rain not falling as shower(s)
25: Shower(s) of rain
26: Shower(s) of snow or of rain and snow
27: Shower(s) of hail (Hail, small hail, snow pellets), or rain and hail
28: Fog or ice fog
29: Thunderstorm (with or without precipitation)
30: Slight or moderate duststorm or sandstorm has decreased during the preceding hour
31: Slight or moderate duststorm or sandstorm no appreciable change during the preceding hour
32: Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour
33: Severe duststorm or sandstorm has decreased during the preceding hour
34: Severe duststorm or sandstorm no appreciable change during the preceding hour
35: Severe duststorm or sandstorm has begun or has increased during the preceding hour
36: Slight or moderate drifting snow generally low (below eye level)
37: Heavy drifting snow generally low (below eye level)
38: Slight or moderate blowing snow generally high (above eye level)
39: Heavy blowing snow generally high (above eye level)
40: Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41: Fog or ice fog in patches
42: Fog or ice fog, sky visible, has become thinner during the preceding hour
43: Fog or ice fog, sky invisible, has become thinner during the preceding hour
44: Fog or ice fog, sky visible, no appreciable change during the preceding hour
45: Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46: Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47: Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48: Fog, depositing rime, sky visible
49: Fog, depositing rime, sky invisible
50: Drizzle, not freezing, intermittent, slight at time of observation
51: Drizzle, not freezing, continuous, slight at time of observation
52: Drizzle, not freezing, intermittent, moderate at time of observation
53: Drizzle, not freezing, continuous, moderate at time of observation
54: Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55: Drizzle, not freezing, continuous, heavy (dense) at time of observation
56: Drizzle, freezing, slight
57: Drizzle, freezing, moderate or heavy (dense)
58: Drizzle and rain, slight
59: Drizzle and rain, moderate or heavy
60: Rain, not freezing, intermittent, slight at time of observation
61: Rain, not freezing, continuous, slight at time of observation
62: Rain, not freezing, intermittent, moderate at time of observation
63: Rain, not freezing, continuous, moderate at time of observation
64: Rain, not freezing, intermittent, heavy at time of observation
65: Rain, not freezing, continuous, heavy at time of observation
66: Rain, freezing, slight
67: Rain, freezing, moderate or heavy
68: Rain or drizzle and snow, slight
69: Rain or drizzle and snow, moderate or heavy
70: Intermittent fall of snowflakes, slight at time of observation
71: Continuous fall of snowflakes, slight at time of observation
72: Intermittent fall of snowflakes, moderate at time of observation
73: Continuous fall of snowflakes, moderate at time of observation
74: Intermittent fall of snowflakes, heavy at time of observation
75: Continuous fall of snowflakes, heavy at time of observation
76: Diamond dust (with or without fog)
77: Snow grains (with or without fog)
78: Isolated star-like snow crystals (with or without fog)
79: Ice pellets
80: Rain shower(s), slight
81: Rain shower(s), moderate or heavy
82: Rain shower(s), violent
83: Shower(s) of rain and snow mixed, slight
84: Shower(s) of rain and snow mixed, moderate or heavy
85: Show shower(s), slight
86: Snow shower(s), moderate or heavy
87: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, slight
88: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, moderate or heavy
89: Shower(s) of hail (hail, small hail, snow pellets) , with or without rain or rain and snow mixed, not associated with thunder, slight
90: Shower(s) of hail (hail, small hail, snow pellets), with or without rain or rain and snow mixed, not associated with thunder, moderate or heavy
91: Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92: Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93: Slight snow, or rain and snow mixed or hail (Hail, small hail, snow pellets), at time of observation, thunderstorm during the preceding hour but not at time of observation
94: Moderate or heavy snow, or rain and snow mixed or hail(Hail, small hail, snow pellets) at time of observation, thunderstorm during the preceding hour but not at time of observation
95: Thunderstorm, slight or moderate, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
96: Thunderstorm, slight or moderate, with hail (hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
97: Thunderstorm, heavy, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
98: Thunderstorm combined with duststorm or sandstorm at time of observation, thunderstorm at time of observation
99: Thunderstorm, heavy, with hail (Hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
Q: PRESENT-WEATHER-OBSERVATION manual #6 Quality manual atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-M: PRESENT-WEATHER-OBSERVATION manual header #7
Length:3
WX: PRESENT-WEATHER-OBSERVATION manual #7 atmospheric condition code
The code that denotes a specific type of weather observed manually.
Length:2
Table of Values:
00: Cloud development not observed or not observable
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged
03: Clouds generally forming or developing
04: Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
05: Haze
06: Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
08: Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding or at the time of observation, but no duststorm or sandstorm
09: Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
10: Mist
11: Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
12: More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 meters on land or 10 meters at sea
13: Lightning visible, no thunder heard
14: Precipitation within sight, not reaching the ground or the surface of the sea
15: Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e., estimated to be more than 5 km from the station
16: Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
17: Thunderstorm, but no precipitation at the time of observation
18: Squalls at or within sight of the station during the preceding hour or at the time of observation
19: Funnel cloud(s) (Tornado cloud or waterspout) at or within sight of the station during the preceding
20: Drizzle (not freezing) or snow grains not falling as shower(s)
21: Rain (not freezing) not falling as shower(s)
22: Snow not falling as shower(s)
23: Rain and snow or ice pellets not falling as shower(s)
24: Freezing drizzle or freezing rain not falling as shower(s)
25: Shower(s) of rain
26: Shower(s) of snow or of rain and snow
27: Shower(s) of hail (Hail, small hail, snow pellets), or rain and hail
28: Fog or ice fog
29: Thunderstorm (with or without precipitation)
30: Slight or moderate duststorm or sandstorm has decreased during the preceding hour
31: Slight or moderate duststorm or sandstorm no appreciable change during the preceding hour
32: Slight or moderate duststorm or sandstorm has begun or has increased during the preceding hour
33: Severe duststorm or sandstorm has decreased during the preceding hour
34: Severe duststorm or sandstorm no appreciable change during the preceding hour
35: Severe duststorm or sandstorm has begun or has increased during the preceding hour
36: Slight or moderate drifting snow generally low (below eye level)
37: Heavy drifting snow generally low (below eye level)
38: Slight or moderate blowing snow generally high (above eye level)
39: Heavy blowing snow generally high (above eye level)
40: Fog or ice fog at a distance at the time of observation, but not at the station during the preceding hour, the fog or ice fog extending to a level above that of the observer
41: Fog or ice fog in patches
42: Fog or ice fog, sky visible, has become thinner during the preceding hour
43: Fog or ice fog, sky invisible, has become thinner during the preceding hour
44: Fog or ice fog, sky visible, no appreciable change during the preceding hour
45: Fog or ice fog, sky invisible, no appreciable change during the preceding hour
46: Fog or ice fog, sky visible, has begun or has become thicker during the preceding hour
47: Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour
48: Fog, depositing rime, sky visible
49: Fog, depositing rime, sky invisible
50: Drizzle, not freezing, intermittent, slight at time of observation
51: Drizzle, not freezing, continuous, slight at time of observation
52: Drizzle, not freezing, intermittent, moderate at time of observation
53: Drizzle, not freezing, continuous, moderate at time of observation
54: Drizzle, not freezing, intermittent, heavy (dense) at time of observation
55: Drizzle, not freezing, continuous, heavy (dense) at time of observation
56: Drizzle, freezing, slight
57: Drizzle, freezing, moderate or heavy (dense)
58: Drizzle and rain, slight
59: Drizzle and rain, moderate or heavy
60: Rain, not freezing, intermittent, slight at time of observation
61: Rain, not freezing, continuous, slight at time of observation
62: Rain, not freezing, intermittent, moderate at time of observation
63: Rain, not freezing, continuous, moderate at time of observation
64: Rain, not freezing, intermittent, heavy at time of observation
65: Rain, not freezing, continuous, heavy at time of observation
66: Rain, freezing, slight
67: Rain, freezing, moderate or heavy
68: Rain or drizzle and snow, slight
69: Rain or drizzle and snow, moderate or heavy
70: Intermittent fall of snowflakes, slight at time of observation
71: Continuous fall of snowflakes, slight at time of observation
72: Intermittent fall of snowflakes, moderate at time of observation
73: Continuous fall of snowflakes, moderate at time of observation
74: Intermittent fall of snowflakes, heavy at time of observation
75: Continuous fall of snowflakes, heavy at time of observation
76: Diamond dust (with or without fog)
77: Snow grains (with or without fog)
78: Isolated star-like snow crystals (with or without fog)
79: Ice pellets
80: Rain shower(s), slight
81: Rain shower(s), moderate or heavy
82: Rain shower(s), violent
83: Shower(s) of rain and snow mixed, slight
84: Shower(s) of rain and snow mixed, moderate or heavy
85: Show shower(s), slight
86: Snow shower(s), moderate or heavy
87: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, slight
88: Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed, moderate or heavy
89: Shower(s) of hail (hail, small hail, snow pellets) , with or without rain or rain and snow mixed, not associated with thunder, slight
90: Shower(s) of hail (hail, small hail, snow pellets), with or without rain or rain and snow mixed, not associated with thunder, moderate or heavy
91: Slight rain at time of observation, thunderstorm during the preceding hour but not at time of observation
92: Moderate or heavy rain at time of observation, thunderstorm during the preceding hour but not at time of observation
93: Slight snow, or rain and snow mixed or hail (Hail, small hail, snow pellets), at time of observation, thunderstorm during the preceding hour but not at time of observation
94: Moderate or heavy snow, or rain and snow mixed or hail(Hail, small hail, snow pellets) at time of observation, thunderstorm during the preceding hour but not at time of observation
95: Thunderstorm, slight or moderate, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
96: Thunderstorm, slight or moderate, with hail (hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
97: Thunderstorm, heavy, without hail (Hail, small hail, snow pellets), but with rain and/or snow at time of observation, thunderstorm at time of observation
98: Thunderstorm combined with duststorm or sandstorm at time of observation, thunderstorm at time of observation
99: Thunderstorm, heavy, with hail (Hail, small hail, snow pellets) at time of observation, thunderstorm at time of observation
Q: PRESENT-WEATHER-OBSERVATION manual #7 Quality manual atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from a manual station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WND-SUPP: SUPPLEMENTARY-WIND-OBSERVATION header
Length:3
T: SUPPLEMENTARY-WIND-OBSERVATION type code
The code that denotes a type of SUPPLEMENTARY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
1: Average speed of prevailing wind
2: Mean wind speed
3: Maximum instantaneous wind speed
4: Maximum gust speed
5: Maximum mean wind speed
6: Maximum 1-minute mean wind speed
PR: SUPPLEMENTARY-WIND-OBSERVATION period quantity
The quantity of time over which a SUPPLEMENTARY-WIND-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
SPD: SUPPLEMENTARY-WIND-OBSERVATION speed rate
The rate of horizontal speed of air reported in the SUPPLEMENTARY-WIND-OBSERVATION.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: SUPPLEMENTARY-WIND-OBSERVATION speed rate quality code
The code that denotes a quality status of the reported SUPPLEMENTARY-WIND-OBSERVATION
speed rate.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
WND-SUPP: SUPPLEMENTARY-WIND-OBSERVATION header #2
Length:3
T: SUPPLEMENTARY-WIND-OBSERVATION #2 type code
The code that denotes a type of SUPPLEMENTARY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
1: Average speed of prevailing wind
2: Mean wind speed
3: Maximum instantaneous wind speed
4: Maximum gust speed
5: Maximum mean wind speed
6: Maximum 1-minute mean wind speed
PR: SUPPLEMENTARY-WIND-OBSERVATION #2 period quantity
The quantity of time over which a SUPPLEMENTARY-WIND-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
SPD: SUPPLEMENTARY-WIND-OBSERVATION #2 speed rate
The rate of horizontal speed of air reported in the SUPPLEMENTARY-WIND-OBSERVATION.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: SUPPLEMENTARY-WIND-OBSERVATION #2 speed rate quality code
The code that denotes a quality status of the reported SUPPLEMENTARY-WIND-OBSERVATION
speed rate.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
WND-SUPP: SUPPLEMENTARY-WIND-OBSERVATION header #3
Length:3
T: SUPPLEMENTARY-WIND-OBSERVATION #3 type code
The code that denotes a type of SUPPLEMENTARY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
1: Average speed of prevailing wind
2: Mean wind speed
3: Maximum instantaneous wind speed
4: Maximum gust speed
5: Maximum mean wind speed
6: Maximum 1-minute mean wind speed
PR: SUPPLEMENTARY-WIND-OBSERVATION #3 period quantity
The quantity of time over which a SUPPLEMENTARY-WIND-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
SPD: SUPPLEMENTARY-WIND-OBSERVATION #3 speed rate
The rate of horizontal speed of air reported in the SUPPLEMENTARY-WIND-OBSERVATION.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: SUPPLEMENTARY-WIND-OBSERVATION #3 speed rate quality code
The code that denotes a quality status of the reported SUPPLEMENTARY-WIND-OBSERVATION
speed rate.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
WIND: Hourly Wind Section header
Length:3
MXGS: Hourly Wind Section WIND_MAX maximum gust
The maximum 10 second wind speed.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: Hourly Wind Section WIND_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the maximum
gust.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section WIND_MAX_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the maximum gust. Most users will find the preceding quality
code WIND_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MDR: Hourly Wind Section WIND_MAX direction of the maximum gust
The direction measured in clockwise angular degrees from which the maximum
10 second wind speed occurred.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Q: Hourly Wind Section WIND_MAX_QC direction quality code
The code that indicates ISD's evaluation of the quality status of the maximum
gust direction.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section WIND_MAX_FLAG direction quality code
A flag that indicates the network's internal evaluation of the quality
status of the maximum gust direction. Most users will find the preceding
quality code WIND_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
WDSPS: Hourly Wind Section WIND_STD wind speed standard deviation
The wind speed standard deviation.
Length:5
Scale:100
Default Value:99999
Q: Hourly Wind Section WIND_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the wind
speed standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section WIND_STD_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the wind speed standard deviation. Most users will find the
preceding quality code WIND_STD_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
WDIRS: Hourly Wind Section WIND_DIR_STD wind direction standard deviation
The wind direction standard deviation.
Length:5
Scale:100
Default Value:99999
Q: Hourly Wind Section WIND_DIR_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the wind
direction standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section WIND_DIR_STD_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the wind direction standard deviation. Most users will find
the preceding quality code WIND_STD_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
WIND: Hourly Wind Section header #2
Length:3
MXGS: Hourly Wind Section #2 WIND_MAX maximum gust
The maximum 10 second wind speed.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: Hourly Wind Section #2 WIND_MAX_QC quality code
The code that indicates ISD's evaluation of the quality status of the maximum
gust.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section #2 WIND_MAX_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the maximum gust. Most users will find the preceding quality
code WIND_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
MDR: Hourly Wind Section #2 WIND_MAX direction of the maximum gust
The direction measured in clockwise angular degrees from which the maximum
10 second wind speed occurred.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Q: Hourly Wind Section #2 WIND_MAX_QC direction quality code
The code that indicates ISD's evaluation of the quality status of the maximum
gust direction.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section #2 WIND_MAX_FLAG direction quality code
A flag that indicates the network's internal evaluation of the quality
status of the maximum gust direction. Most users will find the preceding
quality code WIND_MAX_QC to be the simplest and most useful quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
WDSPS: Hourly Wind Section #2 WIND_STD wind speed standard deviation
The wind speed standard deviation.
Length:5
Scale:100
Default Value:99999
Q: Hourly Wind Section #2 WIND_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the wind
speed standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section #2 WIND_STD_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the wind speed standard deviation. Most users will find the
preceding quality code WIND_STD_QC to be the simplest and most useful quality
indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
WDIRS: Hourly Wind Section #2 WIND_DIR_STD wind direction standard deviation
The wind direction standard deviation.
Length:5
Scale:100
Default Value:99999
Q: Hourly Wind Section #2 WIND_DIR_STD_QC quality code
The code that indicates ISD's evaluation of the quality status of the wind
direction standard deviation.
Length:1
Default Value:9
Table of Values:
1: Passed all quality control checks
3: Failed all quality control checks
Q: Hourly Wind Section #2 WIND_DIR_STD_FLAG quality code
A flag that indicates the network's internal evaluation of the quality
status of the wind direction standard deviation. Most users will find
the preceding quality code WIND_STD_QC to be the simplest and most useful
quality indicator.
Length:1
Default Value:9
Table of Values:
0: Passed all quality control checks
other: Did not pass all quality checks
GUST: WIND-GUST-OBSERVATION header
Length:3
SPD: WIND-GUST-OBSERVATION speed rate
The rate of speed of a wind gust.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: WIND-GUST-OBSERVATION quality code
The code that denotes a quality status of a reported WIND-GUST-OBSERVATION
speed rate.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SOD-WIND: SUMMARY-OF-DAY-WIND-OBSERVATION header
Length:3
T: SUMMARY-OF-DAY-WIND-OBSERVATION type code
The code that denotes a type of SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
1: Peak wind speed for the day
2: Fastest 2-minute wind speed for the day
3: Average wind speed for the day
4: Fastest 5-minute wind speed for the day
5: Fastest mile wind speed for the day
PR: SUMMARY-OF-DAY-WIND-OBSERVATION period quantity
The quantity of time over which a SUMMARY-OF-DAY-WIND-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
SPD: SUMMARY-OF-DAY-WIND-OBSERVATION speed
The rate of horizontal wind speed of air reported in the SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:5
Scale:100
Unit:Meters per Second
Default Value:99999
WDR: SUMMARY-OF-DAY-WIND-OBSERVATION direction of wind
The angle, measured in a clockwise direction, between true north and the
direction from which the wind is blowing, for the summary of day wind report.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Table of Values:
Note: A direction of 999 with a speed of 00000 indicates calm conditions (0 wind speed).
TIME: SUMMARY-OF-DAY-WIND-OBSERVATION time of occurrence in Z-time (UTC)
The time of occurrence of the wind reported in the SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:4
Scale:10
Default Value:9999
Q: SUMMARY-OF-DAY-WIND-OBSERVATION quality code
The code that denotes a quality status of the reported SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SOD-WIND: SUMMARY-OF-DAY-WIND-OBSERVATION header #2
Length:3
T: SUMMARY-OF-DAY-WIND-OBSERVATION #2 type code
The code that denotes a type of SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
1: Peak wind speed for the day
2: Fastest 2-minute wind speed for the day
3: Average wind speed for the day
4: Fastest 5-minute wind speed for the day
5: Fastest mile wind speed for the day
PR: SUMMARY-OF-DAY-WIND-OBSERVATION #2 period quantity
The quantity of time over which a SUMMARY-OF-DAY-WIND-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
SPD: SUMMARY-OF-DAY-WIND-OBSERVATION #2 speed
The rate of horizontal wind speed of air reported in the SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:5
Scale:100
Unit:Meters per Second
Default Value:99999
WDR: SUMMARY-OF-DAY-WIND-OBSERVATION #2 direction of wind
The angle, measured in a clockwise direction, between true north and the
direction from which the wind is blowing, for the summary of day wind report.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Table of Values:
Note: A direction of 999 with a speed of 00000 indicates calm conditions (0 wind speed).
TIME: SUMMARY-OF-DAY-WIND-OBSERVATION #2 time of occurrence in Z-time (UTC)
The time of occurrence of the wind reported in the SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:4
Scale:10
Default Value:9999
Q: SUMMARY-OF-DAY-WIND-OBSERVATION #2 quality code
The code that denotes a quality status of the reported SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
SOD-WIND: SUMMARY-OF-DAY-WIND-OBSERVATION header #3
Length:3
T: SUMMARY-OF-DAY-WIND-OBSERVATION #3 type code
The code that denotes a type of SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
1: Peak wind speed for the day
2: Fastest 2-minute wind speed for the day
3: Average wind speed for the day
4: Fastest 5-minute wind speed for the day
5: Fastest mile wind speed for the day
PR: SUMMARY-OF-DAY-WIND-OBSERVATION #3 period quantity
The quantity of time over which a SUMMARY-OF-DAY-WIND-OBSERVATION occurred.
Length:2
Unit:Hours
Default Value:99
SPD: SUMMARY-OF-DAY-WIND-OBSERVATION #3 speed
The rate of horizontal wind speed of air reported in the SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:5
Scale:100
Unit:Meters per Second
Default Value:99999
WDR: SUMMARY-OF-DAY-WIND-OBSERVATION #3 direction of wind
The angle, measured in a clockwise direction, between true north and the
direction from which the wind is blowing, for the summary of day wind report.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Table of Values:
Note: A direction of 999 with a speed of 00000 indicates calm conditions (0 wind speed).
TIME: SUMMARY-OF-DAY-WIND-OBSERVATION #3 time of occurrence in Z-time (UTC)
The time of occurrence of the wind reported in the SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:4
Scale:10
Default Value:9999
Q: SUMMARY-OF-DAY-WIND-OBSERVATION #3 quality code
The code that denotes a quality status of the reported SUMMARY-OF-DAY-WIND-OBSERVATION.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
RHX: RELATIVE-HUMIDITY-CALCULATION header
Length:3
RHX: RELATIVE-HUMIDITY-CALCULATION computed relative humidity
new field description
Length:3
Scale:1
Unit:Percent
Default Value:999
SST: SEA-SURFACE-TEMPERATURE-OBSERVATION header
Length:3
TEMP: SEA-SURFACE-TEMPERATURE-OBSERVATION temperature
The temperature of the water at the surface.
Length:4
Scale:10
Unit:Degrees Celsius
Default Value:+999
Q: SEA-SURFACE-TEMPERATURE-OBSERVATION temperature quality code
The code that denotes a quality status of the reported SEA-SURFACE-TEMPERATURE-OBSERVATION
temperature.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
SOILTEMP: SOIL-TEMPERATURE header
Length:3
T: SOIL-TEMPERATURE temperature type
The type of temperature reported.
Length:1
Default Value:9
Table of Values:
1: Maximum Temperature
2: Minimum Temperature
3: AM or Noon Temperature
4: PM or Midnight Temperature
TEMP: SOIL-TEMPERATURE soil temperature
The temperature of the soil for the previous 24 hours.
Length:5
Scale:10
Unit:Degrees Celsius
Default Value:+9999
Q: SOIL-TEMPERATURE quality code
The code that denotes a quality status of the reported temperature data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
DPTH: SOIL-TEMPERATURE temperature depth
The depth below ground level of the temperature reported.
Length:4
Scale:10
Unit:Centimeters
Default Value:9999
Q: SOIL-TEMPERATURE depth quality code
The code that denotes a quality status of the reported temperature depth
data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
T: SOIL-TEMPERATURE soil cover
The type of soil cover.
Length:2
Default Value:99
Table of Values:
01: Grass
02: Fallow
03: Bare Ground
04: Brome Grass
05: Sod
06: Straw Mulch
07: Grass Muck
08: Bare Muck
Q: SOIL-TEMPERATURE soil cover quality code
The code that denotes a quality status of the reported soil cover data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
S: SOIL-TEMPERATURE sub plot
The sub plot number for the reported temperature.
Length:1
Default Value:9
Q: SOIL-TEMPERATURE sub plot quality code
The code that denotes a quality status of the reported sub plot data.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, from NCDC Data source
5: Passed all quality control checks, from NCDC Data source
6: Suspect, from NCDC Data source
7: Erroneous, from NCDC Data source
9: Passed gross limits check if element is present
WAVE: WAVE-MEASUREMENT header
Length:3
I: WAVE-MEASUREMENT method code
A code that represents the method used to obtain a WAVE-MEASUREMENT.
Length:1
Default Value:9
Table of Values:
I: Instrumental
M: Manual
PR: WAVE-MEASUREMENT wave period quantity
The quantity of time required for two successive wave crests to pass a
fixed point.
Length:2
Scale:1
Unit:Seconds
Default Value:99
HGT: WAVE-MEASUREMENT wave height dimension
The height of a wave measured from trough to crest.
Length:3
Scale:10
Unit:Meters
Default Value:999
Q: WAVE-MEASUREMENT quality code
The code that denotes a quality status of the reported WAVE-MEASUREMENT.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
C: WAVE-MEASUREMENT sea state code
The code that denotes the roughness of the surface of the sea in terms
of average wave height.
Length:2
Default Value:99
Table of Values:
00: Calm, glassy - wave height = 0 meters
01: Calm, rippled - wave height = 0-0.1 meters
02: Smooth, wavelets - wave height = 0.1-0.5 meters
03: Slight, wave height = 0.5-1.25 meters
04: Moderate - wave height 1.25-2.5 meters
05: Rough - wave height = 2.5-4.0 meters
06: Very rough - wave height = 4.0-6.0 meters
07: High - wave height = 6.0-9.0 meters
08: Very high - wave height 9.0-14.0 meters
09: Phenomenal - wave height = over 14.0 meters
Q: WAVE-MEASUREMENT sea state code quality code
The code that denotes a quality status of the reported WAVE-MEASUREMENT
sea state code.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
SWELL-1: WAVE-MEASUREMENT primary swell header
Length:3
PR: WAVE-MEASUREMENT primary swell period quantity
The quantity of time required for two successive primary swell wave crests
to pass a fixed point.
Length:2
Scale:1
Unit:Seconds
Default Value:99
HGT: WAVE-MEASUREMENT primary swell height dimension
The height of a primary swell wave measured from the trough to the crest.
Length:3
Scale:10
Unit:Meters
Default Value:999
DIR: WAVE-MEASUREMENT primary swell direction angle
The angle measured clockwise from true north to the direction from which
primary swell waves are coming.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Q: WAVE-MEASUREMENT primary swell quality code
The code that denotes a quality status of the reported WAVE-MEASUREMENT
primary swell.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
SWELL-2: WAVE-MEASUREMENT secondary swell header
Length:3
PR: WAVE-MEASUREMENT secondary swell period quantity
The quantity of time required for two successive secondary swell wave crests
to pass a fixed point.
Length:2
Scale:1
Unit:Seconds
Default Value:99
HGT: WAVE-MEASUREMENT secondary swell height dimension
The height of a secondary swell wave measured from the trough to the crest.
Length:3
Scale:10
Unit:Meters
Default Value:999
DIR: WAVE-MEASUREMENT secondary swell direction angle
The angle measured clockwise from true north to the direction from which
secondary swell waves are coming.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
Q: WAVE-MEASUREMENT secondary swell quality code
The code that denotes a quality status of the reported WAVE-MEASUREMENT
secondary swell.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
ICE-1: PLATFORM-ICE-ACCRETION header
Length:3
S: PLATFORM-ICE-ACCRETION source code
The code that denotes the source of the ice that builds up on a marine
platform's structure.
Length:1
Default Value:9
Table of Values:
1: Icing from ocean spray
2: Icing from fog
3: Icing from spray and fog
4: Icing from rain
5: Icing from spray and rain
THK: PLATFORM-ICE-ACCRETION thickness dimension
The thickness of the ice that has accumulated on a marine platform.
Length:3
Scale:10
Unit:Centimeters
Default Value:999
T: PLATFORM-ICE-ACCRETION tendency code
The code that denotes the rate of change of ice thickness on a marine platform.
Length:1
Default Value:9
Table of Values:
0: Ice not building up
1: Ice building up slowly
2: Ice building up rapidly
3: Ice melting or breaking up slowly
4: Ice melting or breaking up rapidly
Q: PLATFORM-ICE-ACCRETION quality code
The code that denotes a quality status of the reported PLATFORM-ICE-ACCRETION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
ICE-2: WATER-SURFACE-ICE-OBSERVATION header
Length:3
EB: WATER-SURFACE-ICE-OBSERVATION edge bearing code
The code that denotes the true bearing, measured from the reporting platform
to the closest point of the principal ice edge.
Length:2
Default Value:99
Table of Values:
00: Ship in shore or flaw lead
01: Principal ice edge towards NE
02: Principal ice edge towards E
03: Principal ice edge towards SE
04: Principal ice edge towards S
05: Principal ice edge towards SW
06: Principal ice edge towards W
07: Principal ice edge towards NW
08: Principal ice edge towards N
09: Not determined (ship in ice)
10: Unable to report, because of darkness, lack of visibility or because only ice of land origin is visible
CON: WATER-SURFACE-ICE-OBSERVATION uniform concentration rate
The percent concentration (surface coverage) of ice on the water surface.
Length:3
Unit:Percent
Default Value:999
CC: WATER-SURFACE-ICE-OBSERVATION non-uniform concentration code
The code that denotes the coverage arrangement of non-uniformly distributed
ice.
Length:2
Table of Values:
06: Strips and patches of pack ice with open water between
07: Strips and patches of close or very close pack ice with areas of lesser concentration between
08: Fast ice with open water, very open or open pack ice to seaward of the ice boundary
09: Fast ice with close or very close pack ice to seaward of the ice boundary
99: Unable to report, because of darkness, lack of visibility, or because ship is more than 0.5
P: WATER-SURFACE-ICE-OBSERVATION ship relative position code
The code that denotes the relative position of the reporting ship to the
ice formation.
Length:1
Default Value:9
Table of Values:
0: Ship in open water with floating ice in sight
1: In open lead or fast ice
2: In ice or within 0.5 nautical miles of ice edge
S: WATER-SURFACE-ICE-OBSERVATION ship penetrability code
The code that denotes the degree of ease with which the reporting ship
can proceed through the ice.
Length:1
Default Value:9
Table of Values:
1: Easy
2: Difficult
3: Beset (Surrounded so closely by sea ice that steering control is lost.)
T: WATER-SURFACE-ICE-OBSERVATION ice trend code
The code that denotes the trend of ice conditions.
Length:1
Default Value:9
Table of Values:
1: Conditions improving
2: Conditions static
3: Conditions worsening
4: Conditions worsening; ice forming and floes freezing together
5: Conditions worsening; ice under slight pressure
6: Conditions worsening; ice under moderate or severe pressure
D: WATER-SURFACE-ICE-OBSERVATION development code
The code that denotes the development stage of the ice.
Length:2
Table of Values:
00: New ice only (frazil ice, grease ice, slush, slugs)
01: Nilas or ice rind, less than 10 cm thick
02: Young ice (grey ice, grey-white ice), 10 - 30 cm thick
03: Predominantly new and/or young ice with some first year ice
04: Predominantly thin first year ice with some new and/or young ice
05: All thin first year ice (30 - 70 cm thick)
06: Predominantly medium first year ice (70 - 120 cm thick) and thick first year ice (> 120 cm thick) with some thinner (younger) first year ice
07: All medium and thick first year ice
08: Predominantly medium and thick first year ice with some old ice (usually more than 2 m thick)
09: Predominantly old ice
99: Unable to report, because of darkness, lack of visibility or because only ice of land origin is visible or because ship is more than .5 NM away from ice
G: WATER-SURFACE-ICE-OBSERVATION growler-bergy-bit presence code
The code that denotes the existence of growler and/or bergy bits.
Length:1
Default Value:9
Table of Values:
0: Not present
1: Present
2: Unknown
GBB: WATER-SURFACE-ICE-OBSERVATION growler-bergy-bit quantity
The quantity of growler and bergy bits observed in the area.
Length:3
Default Value:999
IBQ: WATER-SURFACE-ICE-OBSERVATION iceberg quantity
The quantity of icebergs observed in the area.
Length:3
Default Value:999
Q: WATER-SURFACE-ICE-OBSERVATION quality code
The code that denotes a quality status of the reported WATER-SURFACE-ICE-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
ICE-3: WATER-SURFACE-ICE-HISTORICAL-OBSERVATION header
Length:3
EB: WATER-SURFACE-ICE-HISTORICAL-OBSERVATION edge bearing code
The code that denotes the true bearing, measured from the reporting platform
to the closest point of the principle ice edge.
Length:2
Default Value:99
Table of Values:
00: Ship in shore or flaw lead
01: Principal ice edge towards NE
02: Principal ice edge towards E
03: Principal ice edge towards SE
04: Principal ice edge towards S
05: Principal ice edge towards SW
06: Principal ice edge towards W
07: Principal ice edge towards NW
08: Principal ice edge towards N
09: Not determined (ship in ice)
10: Unable to report, because of darkness, lack of visibility or because only ice of land origin is visible
ED: WATER-SURFACE-ICE-HISTORICAL-OBSERVATION edge distance dimension
The distance from the reporting ship=s location to the nearest point on
the ice edge.
Length:2
Unit:Kilometers
Default Value:99
EO: WATER-SURFACE-ICE-HISTORICAL-OBSERVATION edge orientation code
The code that denotes the orientation of the principal ice edge and the
direction relative to which the ice lies.
Length:2
Default Value:99
Table of Values:
00: Orientation of ice edge impossible to estimate--ship outside the ice
01: Ice edge lying in a direction NE to SW with ice situated to the NW
02: Ice edge lying in a direction E to W with ice situated to the N
03: Ice edge lying in a direction SE to NW with ice situated to the NE
04: Ice edge lying in a direction S to N with ice situated to the E
05: Ice edge lying in a direction SW to NE with ice situated to the SE
06: Ice edge lying in a direction W to E with ice situated to the S
07: Ice edge lying in a direction NW to SE with ice situated to the SW
08: Ice edge lying in a direction N to S with ice situated to the W
09: Orientation of ice edge impossible to estimate--ship inside the ice
FT: WATER-SURFACE-ICE-HISTORICAL-OBSERVATION formation type code
The code that denotes the type of ice formation reported in the
Length:2
Default Value:99
Table of Values:
00: No ice (0 may be used to report ice blink and then a direction must be reported)
01: New ice
02: Fast ice
03: Pack-ice/drift-ice
04: Packed (compact) slush or sludge
05: Shore lead
06: Heavy fast ice
07: Heavy pack-ice/drift-ice
08: Hummocked ice
09: Icebergs-icebergs can be reported in plain language
NE: WATER-SURFACE-ICE-HISTORICAL-OBSERVATION navigation effect code
The code that denotes the effect of ice on navigation.
Length:2
Default Value:99
Table of Values:
00: Navigation unobstructed
01: Navigation unobstructed for steamers, difficult for sailing ships
02: Navigation difficult for low-powered steamers, closed to sailing ships
03: Navigation possible only for powerful steamers
04: Navigation possible only for steamers constructed to withstand ice pressure
05: Navigation possible with the assistance of ice-breakers
06: Channel open in the solid ice
07: Navigation temporarily closed
08: Navigation closed
09: Navigation conditions unknown, e.g., owing to bad weather
Q: WATER-SURFACE-ICE-HISTORICAL-OBSERVATION quality code
The code that denotes a quality status of the reported WATER-SURFACE-ICE-HISTORICAL-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
9: Passed gross limits check if element is present
REMARKS: Remarks header
REMARKS: Remarks
Length:-250
QCP: Identification METEOROLOGICAL-POINT-OBSERVATION quality control process name
The name of the quality control process applied to a weather observation.
Length:4
DY: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with .01 inch (.25 mm) or more for the previous month (usually reported on first day of the following month)
The number of days with .01 inch (.25 mm) or more precipitation.
Length:2
Default Value:99
DY: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with .10 inch (2.5 mm) or more for the previous month (usually reported on first day of the following month).
The number of days with .10 inch (2.5 mm) or more precipitation.
Length:2
Default Value:99
DY: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with .50 inch (12.7 mm) or more for the previous month (usually reported on first day of the following month).
The number of days with .50 inch (12.7 mm) or more precipitation.
Length:2
Default Value:99
DY: LIQUID-PRECIPITATION, NUMBER OF DAYS WITH SPECIFIC AMOUNTS, FOR THE MONTH Number of days with 1.00 inch (25 mm) or more for the previous month (usually reported on first day of the following month).
The number of days with 1.00 inch (25 mm) or more precipitation.
Length:2
Default Value:99
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #2
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #2 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #2 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #2 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #2 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #2 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #2 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #2 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #3
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #3 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #3 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #3 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #3 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #3 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #3 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #3 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #4
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #4 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #4 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #4 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #4 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #4 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #4 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #4 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #5
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #5 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #5 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #5 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #5 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #5 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #5 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #5 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #6
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #6 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #6 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #6 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #6 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #6 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #6 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #6 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #7
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #7 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #7 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #7 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #7 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #7 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #7 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #7 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #8
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #8 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #8 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #8 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #8 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #8 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #8 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #8 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: Present Weather Observation Automated occurrence (ASOS/AWOS only) header #9
Length:3
P: Present Weather Observation Automated occurrence (ASOS/AWOS only) #9 intensity and proximity code
(missing)
Length:1
Default Value:9
Table of Values:
0: Not Reported
1: Light (-)
2: Moderate or Not Reported (no entry in original observation)
3: Heavy (+)
4: Vicinity (VC)
D: Present Weather Observation Automated occurrence (ASOS/AWOS only) #9 descriptor code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Descriptor
1: Shallow (MI)
2: Partial (PR)
3: Patches (BC)
4: Low Drifting (DR)
5: Blowing (BL)
6: Shower(s) (SH)
7: Thunderstorm (TS)
8: Freezing (FZ)
PC: Present Weather Observation Automated occurrence (ASOS/AWOS only) #9 precipitation code
(missing)
Length:2
Default Value:99
Table of Values:
00: No Precipitation
01: Drizzle (DZ)
02: Rain (RA)
03: Snow (SN)
04: Snow Grains (SG)
05: Ice Crystals (IC)
06: Ice Pellets (PL)
07: Hail (GR)
08: Small Hail and/or Snow Pellets (GS)
09: Unknown Precipitation (UP)
O: Present Weather Observation Automated occurrence (ASOS/AWOS only) #9 obscuration code
(missing)
Length:1
Default Value:9
Table of Values:
0: No Obscuration
1: Mist (BR)
2: Fog (FG)
3: Smoke (FU)
4: Volcanic Ash (VA)
5: Widespread Dust (DU)
6: Sand (SA)
7: Haze (HZ)
8: Spray (PY)
W: Present Weather Observation Automated occurrence (ASOS/AWOS only) #9 Other weather phenomena code
(missing)
Length:1
Default Value:9
Table of Values:
0: None Reported
1: Well-Developed Dust/Sand Whirls (PO)
2: Squalls (SQ)
3: Funnel Cloud, Tornado, Waterspout(FC)
4: Sandstorm (SS)
5: Duststorm (DS)
C: Present Weather Observation Automated occurrence (ASOS/AWOS only) #9 Combination indicator code
(missing)
Length:1
Default Value:9
Table of Values:
1: Not part of combined weather elements
2: Beginning element of combined weather elements
3: Combined with previous weather element to form a single weather report
Q: Present Weather Observation Automated occurrence (ASOS/AWOS only) #9 quality code
The code that denotes a quality status of the reported PRESENT-WEATHER-OBSERVATION.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: PRESENT-WEATHER-OBSERVATION automated header #2
Length:3
WX: PRESENT-WEATHER-OBSERVATION automated #2 atmospheric condition code
The code that denotes a specific type of weather reported by an automated
device.
Length:2
Table of Values:
00: No significant weather observed
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged during the past hour
03: Clouds generally forming or developing during the past hour
04: Haze, smoke, or dust in suspension in the air, visibility equal to or greater than 1km
05: Smoke
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
10: Mist
11: Diamond dust
12: Distant lightning
18: Squalls
20: Fog
21: Precipitation
22: Drizzle (not freezing) or snow grains
23: Rain (not freezing)
24: Snow
25: Freezing drizzle or freezing rain
26: Thunderstorm (with or without precipitation)
27: Blowing or drifting snow or sand
28: Blowing or drifting snow or sand, visibility equal to or greater than 1 km
29: Blowing or drifting snow or sand, visibility less than 1 km
30: Fog
31: Fog or ice fog in patches
32: Fog or ice fog, has become thinner during the past hour
33: Fog or ice fog, no appreciable change during the past hour
34: Fog or ice fog, has begun or become thicker during the past hour
35: Fog, depositing rime
40: Precipitation
41: Precipitation, slight or moderate
42: Precipitation, heavy
43: Liquid precipitation, slight or moderate
44: Liquid precipitation, heavy
45: Solid precipitation, slight or moderate
46: Solid precipitation, heavy
47: Freezing precipitation, slight or moderate
48: Freezing precipitation, heavy
50: Drizzle
51: Drizzle, not freezing, slight
52: Drizzle, not freezing, moderate
53: Drizzle, not freezing, heavy
54: Drizzle, freezing, slight
55: Drizzle, freezing, moderate
56: Drizzle, freezing, heavy
57: Drizzle and rain, slight
58: Drizzle and rain, moderate or heavy
60: Rain
61: Rain, not freezing, slight
62: Rain, not freezing, moderate
63: Rain, not freezing, heavy
64: Rain, freezing, slight
65: Rain, freezing, moderate
66: Rain, freezing, heavy
67: Rain or drizzle and snow, slight
68: Rain or drizzle and snow, moderate or heavy
70: Snow
71: Snow, slight
72: Snow, moderate
73: Snow, heavy
74: Ice pellets, slight
75: Ice pellets, moderate
76: Ice pellets, heavy
77: Snow Grains
78: Ice Crystals
80: Showers or intermittent precipitation
81: Rain showers or intermittent rain, slight
82: Rain showers or intermittent rain, moderate
83: Rain showers or intermittent rain, heavy
84: Rain showers or intermittent rain, violent
85: Snow showers or intermittent rain, slight
86: Snow showers or intermittent rain, moderate
87: Snow showers or intermittent rain, heavy
89: Hail
90: Thunderstorm
91: Thunderstorm, slight or moderate, with no precipitation
92: Thunderstorm, slight or moderate, with rain showers and/or snow showers
93: Thunderstorm, slight or moderate, with hail
94: Thunderstorm, heavy, with no precipitation
95: Thunderstorm, heavy, with rain showers and/or snow
96: Thunderstorm, heavy, with hail
99: Tornado
Q: PRESENT-WEATHER-OBSERVATION automated #2 quality automated atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from an automated station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: PRESENT-WEATHER-OBSERVATION automated header #3
Length:3
WX: PRESENT-WEATHER-OBSERVATION automated #3 atmospheric condition code
The code that denotes a specific type of weather reported by an automated
device.
Length:2
Table of Values:
00: No significant weather observed
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged during the past hour
03: Clouds generally forming or developing during the past hour
04: Haze, smoke, or dust in suspension in the air, visibility equal to or greater than 1km
05: Smoke
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
10: Mist
11: Diamond dust
12: Distant lightning
18: Squalls
20: Fog
21: Precipitation
22: Drizzle (not freezing) or snow grains
23: Rain (not freezing)
24: Snow
25: Freezing drizzle or freezing rain
26: Thunderstorm (with or without precipitation)
27: Blowing or drifting snow or sand
28: Blowing or drifting snow or sand, visibility equal to or greater than 1 km
29: Blowing or drifting snow or sand, visibility less than 1 km
30: Fog
31: Fog or ice fog in patches
32: Fog or ice fog, has become thinner during the past hour
33: Fog or ice fog, no appreciable change during the past hour
34: Fog or ice fog, has begun or become thicker during the past hour
35: Fog, depositing rime
40: Precipitation
41: Precipitation, slight or moderate
42: Precipitation, heavy
43: Liquid precipitation, slight or moderate
44: Liquid precipitation, heavy
45: Solid precipitation, slight or moderate
46: Solid precipitation, heavy
47: Freezing precipitation, slight or moderate
48: Freezing precipitation, heavy
50: Drizzle
51: Drizzle, not freezing, slight
52: Drizzle, not freezing, moderate
53: Drizzle, not freezing, heavy
54: Drizzle, freezing, slight
55: Drizzle, freezing, moderate
56: Drizzle, freezing, heavy
57: Drizzle and rain, slight
58: Drizzle and rain, moderate or heavy
60: Rain
61: Rain, not freezing, slight
62: Rain, not freezing, moderate
63: Rain, not freezing, heavy
64: Rain, freezing, slight
65: Rain, freezing, moderate
66: Rain, freezing, heavy
67: Rain or drizzle and snow, slight
68: Rain or drizzle and snow, moderate or heavy
70: Snow
71: Snow, slight
72: Snow, moderate
73: Snow, heavy
74: Ice pellets, slight
75: Ice pellets, moderate
76: Ice pellets, heavy
77: Snow Grains
78: Ice Crystals
80: Showers or intermittent precipitation
81: Rain showers or intermittent rain, slight
82: Rain showers or intermittent rain, moderate
83: Rain showers or intermittent rain, heavy
84: Rain showers or intermittent rain, violent
85: Snow showers or intermittent rain, slight
86: Snow showers or intermittent rain, moderate
87: Snow showers or intermittent rain, heavy
89: Hail
90: Thunderstorm
91: Thunderstorm, slight or moderate, with no precipitation
92: Thunderstorm, slight or moderate, with rain showers and/or snow showers
93: Thunderstorm, slight or moderate, with hail
94: Thunderstorm, heavy, with no precipitation
95: Thunderstorm, heavy, with rain showers and/or snow
96: Thunderstorm, heavy, with hail
99: Tornado
Q: PRESENT-WEATHER-OBSERVATION automated #3 quality automated atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from an automated station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
WX-A: PRESENT-WEATHER-OBSERVATION automated header #4
Length:3
WX: PRESENT-WEATHER-OBSERVATION automated #4 atmospheric condition code
The code that denotes a specific type of weather reported by an automated
device.
Length:2
Table of Values:
00: No significant weather observed
01: Clouds generally dissolving or becoming less developed
02: State of sky on the whole unchanged during the past hour
03: Clouds generally forming or developing during the past hour
04: Haze, smoke, or dust in suspension in the air, visibility equal to or greater than 1km
05: Smoke
07: Dust or sand raised by wind at or near the station at the time of observation, but no well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen or, in the case of ships, blowing spray at the station
10: Mist
11: Diamond dust
12: Distant lightning
18: Squalls
20: Fog
21: Precipitation
22: Drizzle (not freezing) or snow grains
23: Rain (not freezing)
24: Snow
25: Freezing drizzle or freezing rain
26: Thunderstorm (with or without precipitation)
27: Blowing or drifting snow or sand
28: Blowing or drifting snow or sand, visibility equal to or greater than 1 km
29: Blowing or drifting snow or sand, visibility less than 1 km
30: Fog
31: Fog or ice fog in patches
32: Fog or ice fog, has become thinner during the past hour
33: Fog or ice fog, no appreciable change during the past hour
34: Fog or ice fog, has begun or become thicker during the past hour
35: Fog, depositing rime
40: Precipitation
41: Precipitation, slight or moderate
42: Precipitation, heavy
43: Liquid precipitation, slight or moderate
44: Liquid precipitation, heavy
45: Solid precipitation, slight or moderate
46: Solid precipitation, heavy
47: Freezing precipitation, slight or moderate
48: Freezing precipitation, heavy
50: Drizzle
51: Drizzle, not freezing, slight
52: Drizzle, not freezing, moderate
53: Drizzle, not freezing, heavy
54: Drizzle, freezing, slight
55: Drizzle, freezing, moderate
56: Drizzle, freezing, heavy
57: Drizzle and rain, slight
58: Drizzle and rain, moderate or heavy
60: Rain
61: Rain, not freezing, slight
62: Rain, not freezing, moderate
63: Rain, not freezing, heavy
64: Rain, freezing, slight
65: Rain, freezing, moderate
66: Rain, freezing, heavy
67: Rain or drizzle and snow, slight
68: Rain or drizzle and snow, moderate or heavy
70: Snow
71: Snow, slight
72: Snow, moderate
73: Snow, heavy
74: Ice pellets, slight
75: Ice pellets, moderate
76: Ice pellets, heavy
77: Snow Grains
78: Ice Crystals
80: Showers or intermittent precipitation
81: Rain showers or intermittent rain, slight
82: Rain showers or intermittent rain, moderate
83: Rain showers or intermittent rain, heavy
84: Rain showers or intermittent rain, violent
85: Snow showers or intermittent rain, slight
86: Snow showers or intermittent rain, moderate
87: Snow showers or intermittent rain, heavy
89: Hail
90: Thunderstorm
91: Thunderstorm, slight or moderate, with no precipitation
92: Thunderstorm, slight or moderate, with rain showers and/or snow showers
93: Thunderstorm, slight or moderate, with hail
94: Thunderstorm, heavy, with no precipitation
95: Thunderstorm, heavy, with rain showers and/or snow
96: Thunderstorm, heavy, with hail
99: Tornado
Q: PRESENT-WEATHER-OBSERVATION automated #4 quality automated atmospheric condition code
The code that denotes a quality status of a reported present weather observation
from an automated station.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
4: Passed gross limits check , data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
TIMEDIFF: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET header #8
Length:3
ELE: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #8 COOPERATIVE-NETWORK-ELEMENT-ID
The element identifier to be offset, based on the identifier as shown in
this document.
Length:3
Default Value:999
PR: US-COOPERATIVE-NETWORK-ELEMENT-TIME-OFFSET #8 COOPERATIVE-NETWORK-TIME-OFFSET
The offset in hours. To obtain the actual observation time of the element
parameter indicated, add the value in this field to the date-time value
in the "Control Section."
Length:5
Scale:10
Unit:Hours
Default Value:+9999
WB/DEW: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE header
Length:3
PR: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE period quantity
The quantity of time over which temperatures were averaged to determine
the AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE
Length:3
Scale:1
Unit:Hours
Default Value:999
C: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE code
The code that denotes an AVERAGE-DEW-POINT-AND-AVERAGE-WET-BULB-TEMPERATURE
as an average
Length:1
Default Value:9
Table of Values:
D: Average dew point temperature
W: Average wet bulb temperature
WB/DP: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE temperature
The average dew point or average wet bulb temperature for a given period,
typically for the day or month, derived from other data fields
Length:5
Scale:100
Unit:Degrees Celsius
Default Value:+9999
C: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE derived code
The code that denotes a quality status of the reported AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
D: derived from hourly values
Q: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE temperature quality code
The code that denotes a quality status of the reported AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
0: passed gross limits check
1: passed all quality control checks
2: suspect
3: erroneous
4: passed gross limits check, from NCDC ASOS/AWOS
5: passed all quality control checks, from NCDC ASOS/AWOS
6: suspect, from NCDC ASOS/AWOS
7: erroneous, from NCDC ASOS/AWOS
9: missing
WB/DEW: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE header #2
Length:3
PR: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE #2 AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE period quantity
The quantity of time over which temperatures were averaged to determine
the AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE
Length:3
Scale:1
Unit:Hours
Default Value:999
C: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE #2 AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE code
The code that denotes an AVERAGE-DEW-POINT-AND-AVERAGE-WET-BULB-TEMPERATURE
as an average
Length:1
Default Value:9
Table of Values:
D: Average dew point temperature
W: Average wet bulb temperature
WB/DP: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE #2 AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE temperature
The average dew point or average wet bulb temperature for a given period,
typically for the day or month, derived from other data fields
Length:5
Scale:100
Unit:Degrees Celsius
Default Value:+9999
C: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE #2 AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE derived code
The code that denotes a quality status of the reported AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
D: derived from hourly values
Q: AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE #2 AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE temperature quality code
The code that denotes a quality status of the reported AVERAGE-DEW-POINT-AND-WET-BULB-TEMPERATURE
temperature
Length:1
Default Value:9
Table of Values:
0: passed gross limits check
1: passed all quality control checks
2: suspect
3: erroneous
4: passed gross limits check, from NCDC ASOS/AWOS
5: passed all quality control checks, from NCDC ASOS/AWOS
6: suspect, from NCDC ASOS/AWOS
7: erroneous, from NCDC ASOS/AWOS
9: missing
ASTP: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) average station pressure for the day
The average pressure at the observation point for the day.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) average station pressure quality code
The code that denotes the quality status of an average station pressure.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: suspect
3: erroneous
4: passed gross limits check, from NCDC ASOS/AWOS
5: passed all quality control checks, from NCDC ASOS/AWOS
6: suspect, from NCDC ASOS/AWOS
7: erroneous, from NCDC ASOS/AWOS
ASLP: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) average sea level pressure for the day
The average sea level pressure for the day at the observation point.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) average sea level pressure for the day quality code
The code that denotes the quality status of the minimum sea level pressure
for the day.
Length:1
Default Value:9
Table of Values:
0: passed gross limits check
1: passed all quality control checks
2: suspect
3: erroneous
4: passed gross limits check, data originate from an NCDC data source
5: passed all quality control checks, data originate from an NCDC data source
6: suspect, data originate from an NCDC data source
7: erroneous, data originate from an NCDC data source
9: missing
PRESSURE: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) header #2
Length:3
AVSTP: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) #2 average station pressure for the day
The average pressure at the observation point for the day.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) #2 average station pressure quality code
The code that denotes the quality status of an average station pressure.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
MNSLP: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) #2 minimum sea level pressure for the day
The minimum sea level pressure for the day at the observation point.
Length:5
Scale:10
Unit:Hectopascals
Default Value:99999
Q: ATMOSPHERIC-PRESSURE-OBSERVATION (STP/SLP) #2 minimum sea level pressure for the day quality code
The code that denotes the quality status of the minimum sea level pressure
for the day.
Length:1
Default Value:9
Table of Values:
4: Passed gross limits check, data originate from an NCDC data source
5: Passed all quality control checks, data originate from an NCDC data source
6: Suspect, data originate from an NCDC data source
7: Erroneous, data originate from an NCDC data source
9: Passed gross limits check if element is present
M: Manual change made to value based on information provided by NWS or FAA
AVW: Hourly Wind Section WIND_AVG time period
Time period in minutes, for which the data in this section (OB1) pertainseg,
060 = 60 minutes (1 hour).
Length:3
Unit:Minutes
Default Value:999
AVW: Hourly Wind Section #2 WIND_AVG time period
Time period in minutes, for which the data in this section (OB1) pertainseg,
060 = 60 minutes (1 hour).
Length:3
Unit:Minutes
Default Value:999
RH: RELATIVE-HUMIDITY header
Length:3
PR: RELATIVE-HUMIDITY RELATIVE-HUMIDITY period quantity
The quantity of time over which relative humidity percentages were averaged
to determine the RELATIVE-HUMIDITY
Length:3
Scale:1
Unit:Hours
Default Value:999
C: RELATIVE-HUMIDITY RELATIVE-HUMIDITY code
The code that denotes a RELATIVE-HUMIDITY as an average, maximum or minimun.
DOM: A specific domain comprised of the characters in the ASCII character
set
Length:1
Default Value:9
Table of Values:
M: Mean relative humidity
N: Minimum relative humidity
X: Maximum relative humidity
RH: RELATIVE-HUMIDITY RELATIVE-HUMIDITY-PERCENTAGE
The average maximum or minimum relative humidity for a given period, typically
for the day or month, derived from other data fields. Note: Values only
take into account hourly observations (not specials or other unscheduled
observations).
Length:3
Scale:1
Unit:Percent
Default Value:999
C: RELATIVE-HUMIDITY RELATIVE-HUMIDITY derived code
The code that denotes a derived code of the reported RELATIVE-HUMIDITY
percentage
Length:1
Default Value:9
Table of Values:
9: missing
D: derived from hourly values
Q: RELATIVE-HUMIDITY RELATIVE-HUMIDITY quality code
The code that denotes a quality status of the reported RELATIVE-HUMIDITY
percentage
Length:1
Default Value:9
Table of Values:
0: passed gross limits check
1: passed all quality control checks
2: suspect
3: erroneous
4: passed gross limits check, from NCDC ASOS/AWOS
5: passed all quality control checks, from NCDC ASOS/AWOS
6: suspect, from NCDC ASOS/AWOS
7: erroneous, from NCDC ASOS/AWOS
9: missing
RH: RELATIVE-HUMIDITY header #2
Length:3
PR: RELATIVE-HUMIDITY #2 RELATIVE-HUMIDITY period quantity
The quantity of time over which relative humidity percentages were averaged
to determine the RELATIVE-HUMIDITY
Length:3
Scale:1
Unit:Hours
Default Value:999
C: RELATIVE-HUMIDITY #2 RELATIVE-HUMIDITY code
The code that denotes a RELATIVE-HUMIDITY as an average, maximum or minimun.
DOM: A specific domain comprised of the characters in the ASCII character
set
Length:1
Default Value:9
Table of Values:
M: Mean relative humidity
N: Minimum relative humidity
X: Maximum relative humidity
RH: RELATIVE-HUMIDITY #2 RELATIVE-HUMIDITY-PERCENTAGE
The average maximum or minimum relative humidity for a given period, typically
for the day or month, derived from other data fields. Note: Values only
take into account hourly observations (not specials or other unscheduled
observations).
Length:3
Scale:1
Unit:Percent
Default Value:999
C: RELATIVE-HUMIDITY #2 RELATIVE-HUMIDITY derived code
The code that denotes a derived code of the reported RELATIVE-HUMIDITY
percentage
Length:1
Default Value:9
Table of Values:
9: missing
D: derived from hourly values
Q: RELATIVE-HUMIDITY #2 RELATIVE-HUMIDITY quality code
The code that denotes a quality status of the reported RELATIVE-HUMIDITY
percentage
Length:1
Default Value:9
Table of Values:
0: passed gross limits check
1: passed all quality control checks
2: suspect
3: erroneous
4: passed gross limits check, from NCDC ASOS/AWOS
5: passed all quality control checks, from NCDC ASOS/AWOS
6: suspect, from NCDC ASOS/AWOS
7: erroneous, from NCDC ASOS/AWOS
9: missing
RH: RELATIVE-HUMIDITY header #3
Length:3
PR: RELATIVE-HUMIDITY #3 RELATIVE-HUMIDITY period quantity
The quantity of time over which relative humidity percentages were averaged
to determine the RELATIVE-HUMIDITY
Length:3
Scale:1
Unit:Hours
Default Value:999
C: RELATIVE-HUMIDITY #3 RELATIVE-HUMIDITY code
The code that denotes a RELATIVE-HUMIDITY as an average, maximum or minimun.
DOM: A specific domain comprised of the characters in the ASCII character
set
Length:1
Default Value:9
Table of Values:
M: Mean relative humidity
N: Minimum relative humidity
X: Maximum relative humidity
RH: RELATIVE-HUMIDITY #3 RELATIVE-HUMIDITY-PERCENTAGE
The average maximum or minimum relative humidity for a given period, typically
for the day or month, derived from other data fields. Note: Values only
take into account hourly observations (not specials or other unscheduled
observations).
Length:3
Scale:1
Unit:Percent
Default Value:999
C: RELATIVE-HUMIDITY #3 RELATIVE-HUMIDITY derived code
The code that denotes a derived code of the reported RELATIVE-HUMIDITY
percentage
Length:1
Default Value:9
Table of Values:
9: missing
D: derived from hourly values
Q: RELATIVE-HUMIDITY #3 RELATIVE-HUMIDITY quality code
The code that denotes a quality status of the reported RELATIVE-HUMIDITY
percentage
Length:1
Default Value:9
Table of Values:
0: passed gross limits check
1: passed all quality control checks
2: suspect
3: erroneous
4: passed gross limits check, from NCDC ASOS/AWOS
5: passed all quality control checks, from NCDC ASOS/AWOS
6: suspect, from NCDC ASOS/AWOS
7: erroneous, from NCDC ASOS/AWOS
9: missing
SKYCON: SKY-CONDITION-OBSERVATION identifier header
Length:3
CONVCLD: SKY-CONDITION-OBSERVATION identifier SKY CONDITION OBSERVATION convective cloud attribute
The code that denotes the convective cloud type in an observation.
Length:7
Default Value:9
Table of Values:
0: The code that denotes the convective cloud type in an observation.
1: ACSL (Altocumulus Standing Lenticular)
2: ACCAS (Altocumulus Castelanus)
3: TCU (Towering Cumulus)
4: MDT CU (Moderate Cumulus)
5: CB/CB MAM DISTANT (Cumulonimbus or Cumulonimbus Mammatus in the distance)
6: CB/CBMAM (Cumulonimbus or Cumulonimbus Mammatus within 20 nautical miles)
7: Unknown
VERTDAT: SKY-CONDITION-OBSERVATION identifier SKY CONDITION OBSERVATION vertical datum attribute
new field description
Length:7
Default Value:999999
Table of Values:
AGL: Above Ground Level
ALAT: Approximate lowest astronomical tide
AP: Apparent
CFB: Crest of first berm
CRD: Columbia River datum
ESLW: Equatorial Spring low water
GCLWD: Gulf Coast low water datum
HAT: Highest astronomical tide
HHW: Higher high water
HTWW: High tide wave wash
HW: High water
HWFC: High water full and change
IND: Indefinite
ISLW: Indian Spring low water
LAT: Lowest astronomical tide
LLW: Lowest low water
LNLW: Lowest normal low water
LRLW: Lower low water
LSD: Land survey datum
LW: Low water
LWD: Low water datum
LWFC: Low water full and charge
MHHW: Mean higher high water
MHLW: Mean higher low water
MHW: Mean high water
MHWN: Mean high water neap
MHWS: Mean high water spring
MLHW: Mean lower high water
MLLW: Mean lower low water
MLLWS: Mean lower low water springs
MLW: Mean low water
MLWN: Mean low water neap
MLWS: Mean low water spring
MSL: Mean sea level
MTL: Mean tide level
NC: No correction
NT: Neap tide
ST: Spring tide
SWA: Storm wave action
TLLW: Tropic lower low water
UD: Undetermined
UK: Unknown
WGS84: WGS84 Ellispoid
WGS84G: WGS84 GEOID
HGT: SKY-CONDITION-OBSERVATION identifier SKY CONDITION OBSERVATION base height upper range attribute
The height relative to a VERTICAL-REFERENCE-DATUM for cloud bases reported
in a range or the highest height for a variable cloud
height report. The concept of a range is to accommodate the WMO practice
of reporting a cloud layer by a range of heights.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
HGT: SKY-CONDITION-OBSERVATION identifier SKY CONDITION OBSERVATION base height lower range attribute
The height relative to a VERTICAL-REFERENCE-DATUM for cloud bases reported
in a range or lowest height for a variable cloud
height report. The concept of a range is to accommodate the WMO practice
of reporting a cloud layer by a range of heights.
Length:6
Scale:1
Unit:Meters
Default Value:+99999
ID: SUPPLEMENTARY-WIND-OBSERVATION identifier header
Length:3
TYPE: SUPPLEMENTARY-WIND-OBSERVATION identifier SUPPLEMENTARY-WIND-OBSERVATION type code
The code that denotes a type of SUPPLEMENTARY-WIND-OBSERVATION
Length:4
Default Value:9
Table of Values:
1: Average speed of prevailing wind
2: Mean wind speed
3: Maximum instantaneous wind speed
4: Maximum gust speed
5: Maximum mean wind speed
6: Maximum 1-minute mean wind speed
PRD: SUPPLEMENTARY-WIND-OBSERVATION identifier SUPPLEMENTARY-WIND-OBSERVATION period quantity
The quantity of time over which a SUPPLEMENTARY-WIND-OBSERVATION occurred
Length:3
Scale:1
Unit:Hours
Default Value:99
DIR: SUPPLEMENTARY-WIND-OBSERVATION identifier SUPPLEMENTARY-WIND-OBSERVATION direction quantity
The angle, measured in a clockwise direction, between true north and the
direction from which the wind is blowing.
Length:3
Scale:1
Unit:Angular Degrees
Default Value:999
SPD: SUPPLEMENTARY-WIND-OBSERVATION identifier SUPPLEMENTARY-WIND-OBSERVATION speed rate
The rate of horizontal speed of air reported in the SUPPLEMENTARY-WIND-OBSERVATION.
Length:4
Scale:10
Unit:Meters per Second
Default Value:9999
Q: SUPPLEMENTARY-WIND-OBSERVATION identifier SUPPLEMENTARY-WIND-OBSERVATION speed rate quality code
The code that denotes a quality status of the reported SUPPLEMENTARY-WIND-OBSERVATION
speed rate.
Length:1
Default Value:9
Table of Values:
0: Passed gross limits check
1: Passed all quality control checks
2: Suspect
3: Erroneous
WTRLVL: WATER-LEVEL-OBSERVATION identifier header
Length:3
ICE: WATER-LEVEL-OBSERVATION identifier WATER-LEVEL-OBSERVATION ice thickness
Thickness of ice on water
Length:3
Scale:1
Unit:Centimeters
Default Value:999
DISC: WATER-LEVEL-OBSERVATION identifier WATER-LEVEL-OBSERVATION discharge rate
The rate of water discharge in cubic meters per second.
Length:5
Scale:1
Default Value:99999
PIP: WATER-LEVEL-OBSERVATION identifier WATER-LEVEL-OBSERVATION primary ice phenomena
The code that denotes the primary type of ice phenomena on a river, lake
or reservoir.
Length:3
Default Value:99
Table of Values:
00: Water surface free of ice
01: Ice along banks
02: Ice crystals
03: Ice slush
04: Ice flows from tributaries entering near the river, lake or reservoir station
10: Floating slush ice covering approximately 1/3 (up to 30%) of the water surface
11: Floating slush ice covering about half (40% - 60%) of the water surface
12: Floating slush ice covering more than half (70% - 100%) of the water surface
20: Floating ice covering 10% of the water surface
21: Floating ice covering 20% of the water surface
22: Floating ice covering 30% of the water surface
23: Floating ice covering 40% of the water surface
24: Floating ice covering 50% of the water surface
25: Floating ice covering 60% of the water surface
26: Floating ice covering 70% of the water surface
27: Floating ice covering 80% of the water surface
28: Floating ice covering 90% of the water surface
29: Floating ice covering 100% of the water surface
30: Water surface frozen at station, free upstream
31: Water surface frozen at station, free downstream
32: Water surface free at station, free upstream
33: Water surface free at station, free downstream
34: Ice floes near the station, water surface frozen downstream
35: Water surface frozen with breaks
36: Water surface completely frozen over
37: Water surface frozen over with pile-ups
40: Ice melting along the banks
41: Some water on the ice
42: Ice waterlogged
43: Water holes in the ice cover
44: Ice moving
45: Open water in breaks
46: Break up (first day of movement of ice on the entire water surface)
47: Ice broken artificiallyIcePhen
50: Ice jam below the station
51: Ice jam at the station
52: Ice jam above the station
53: Scale and position of jam unchanged
54: Jam has frozen solid in the same place
55: Jam has solidified and expanded upstream
56: Jam has solidified and moved downstream
57: Jam is weakening
58: Jam broken up by explosives or other methods
59: Jam broken
60: Fractured ice
61: Ice piling up againgst the bank
62: Ice carried towards the bank
63: Band of ice less than 100 meters wide fixed to banks
64: Band of ice less than 100 to 500 meters wide fixed to banks
65: Band of ice wider than 500 meters fixed to banks
70: Cracks in the ice, mainly across the line of flow
71: Cracks along the flow line
72: Smooth sheet of ice
73: Ice sheet with pile-ups
SIP: WATER-LEVEL-OBSERVATION identifier WATER-LEVEL-OBSERVATION secondary ice phenomena
The code that denotes the secondary type of ice phenomena on a river, lake
or reservoir.
Length:3
Default Value:99
Table of Values:
00: Water surface free of ice
01: Ice along banks
02: Ice crystals
03: Ice slush
04: Ice flows from tributaries entering near the river, lake or reservoir station
10: Floating slush ice covering approximately 1/3 (up to 30%) of the water surface
11: Floating slush ice covering about half (40% - 60%) of the water surface
12: Floating slush ice covering more than half (70% - 100%) of the water surface
20: Floating ice covering 10% of the water surface
21: Floating ice covering 20% of the water surface
22: Floating ice covering 30% of the water surface
23: Floating ice covering 40% of the water surface
24: Floating ice covering 50% of the water surface
25: Floating ice covering 60% of the water surface
26: Floating ice covering 70% of the water surface
27: Floating ice covering 80% of the water surface
28: Floating ice covering 90% of the water surface
29: Floating ice covering 100% of the water surface
30: Water surface frozen at station, free upstream
31: Water surface frozen at station, free downstream
32: Water surface free at station, free upstream
33: Water surface free at station, free downstream
34: Ice floes near the station, water surface frozen downstream
35: Water surface frozen with breaks
36: Water surface completely frozen over
37: Water surface frozen over with pile-ups
40: Ice melting along the banks
41: Some water on the ice
42: Ice waterlogged
43: Water holes in the ice cover
44: Ice moving
45: Open water in breaks
46: Break up (first day of movement of ice on the entire water surface)
47: Ice broken artificially
50: Ice jam below the station
51: Ice jam at the station
52: Ice jam above the station
53: Scale and position of jam unchanged
54: Jam has frozen solid in the same place
55: Jam has solidified and expanded upstream
56: Jam has solidified and moved downstream
57: Jam is weakening
58: Jam broken up by explosives or other methods
59: Jam broken
60: Fractured ice
61: Ice piling up againgst the bank
62: Ice carried towards the bank
63: Band of ice less than 100 meters wide fixed to banks
64: Band of ice less than 100 to 500 meters wide fixed to banks
65: Band of ice wider than 500 meters fixed to banks
70: Cracks in the ice, mainly across the line of flow
71: Cracks along the flow line
72: Smooth sheet of ice
73: Ice sheet with pile-ups
STG-HGT: WATER-LEVEL-OBSERVATION identifier WATER-LEVEL-OBSERVATION stage height
The height of the stage above zero
Length:7
Scale:1
Unit:Centimeters
Default Value:+9999
ICE-SLUSH: WATER-LEVEL-OBSERVATION identifier WATER-LEVEL-OBSERVATION under ice slush condition
The code that denotes the slush condition under an ice layer
Length:9
Default Value:9
Table of Values:
0: No slush ice
1: Slush ice to approximately 1/3 of depth of the river, lake or reservoir
2: Slush ice from 1/3 to 2/3 of depth of the river, lake or reservoir
3: Slush ice to depth of the river, lake or reservoir greater than 2/3
WTR-LVL: WATER-LEVEL-OBSERVATION identifier WATER-LEVEL-OBSERVATION water level code
The code that denotes the state of the water level
Length:7
Default Value:9
Table of Values:
B: much below normal
H: high but not overflowing
N: normal
O: banks overflowing
