***Corrected Winter 2010***

LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION

YEAR	1984
MONTH	SEPTEMBER		.... ALL TEMPERATURES MINUS C....

DAY	TEMPERATURE C		PCPN	AVG WIND	FASTEST		SUN	SKY	STN	WX
	MAX	MIN	AVG		SPEED		MILE		SHINE	COVER	PRESS
					DIR	MPH	SPD	DIR	HRS
1	53.3	58.8	54.1	T	040	15.9	22	060	 0.0	3	670.3
2	52.8	57.7	56.3	0	020	16.4	29	040	 0.0	6	671.4
3	56.2	61.6	60.2	0	020	12.4	24	020	 0.0	5	674.7
4	60.4	66.6	64.6	T	060	 6.1	20	020	 0.0	2	675.1
5	60.5	66.7	62.5	T	060	 4.7	 9	050	 0.0	7	682.6
6	60.4	67.7	65.2	0	100	 7.1	12	100	 0.0	0	682.5
7	63.3	67.7	64.4	0	060	 9.7	15	090	 0.0	2	677.8
8	47.2	66.4	56.5	0	360	17.8	25	360	 0.0	6	684.4
9	37.7	58.6	40.3	0	320	20.3	38	350	 0.0	8	691.4
10	35.5	39.8	36.6	0	350	20.4	35	320	 0.0	8	697.0
11	35.9	47.2	44.5	0	360	18.9	37	350	 0.0	6	692.3
12	43.0	48.3	47.0	0	020	25.7	35	010	 0.0	6	674.1
13	45.3	51.6	48.5	0	010	20.0	40	010	 0.0	8	673.5
14	47.1	56.6	55.7	0	030	13.8	30	010	 0.0	6	682.3
15	50.5	56.9	52.4	T	020	12.4	21	030	 0.0	8	684.9
16	49.3	53.3	51.6	0	040	13.0	20	030	 0.0	6	679.6
17	52.7	63.3	57.6	0	040	10.6	21	040	 0.0	0	671.7
18	55.6	69.4	67.0	0	070	 5.5	18	050	 0.0	1	670.2
19	58.3	72.7	68.3	0	260	 1.8	10	070	 0.0	5	675.2
20	46.2	72.7	50.3	0	300	 5.4	15	060	 0.0	8	677.6
21	45.7	62.7	57.2	0	250	 3.2	14	270	 0.0	8	672.5
22	57.4	64.4	63.3	0	140	 3.7	 7	130	 0.0	8	666.7
23	62.8	71.6	69.3	0	120	 2.5	 7	070	 0.0	2	667.4
24	70.0	73.3	71.9	0	070	 4.7	 8	120	24.0	0	668.4
25	61.6	73.7	68.2	0	020	14.1	23	040	24.0	6	671.6
26	49.4	70.8	54.4	0	360	22.2	32	360	 0.0	8	674.1
27	46.0	54.7	47.3	0	350	19.6	31	350	 0.0	8	675.6
28	46.1	58.3	54.5	0	360	17.5	27	340	 0.0	8	669.1
29	54.5	60.3	58.6	0	020	13.8	27	360	 5.0	2	666.7
30	56.7	64.9	61.5	0	030	 7.0	22	030	22.0	2	668.8

AVG	52.0	61.9	57.0	T	020	12.2	40	010	 7.3	5	676.3
							13th
AVG MONTHLY	-57.0		PCPN	TRACE			NR DAYS CLEAR	09
HIGHEST	-35.5	ON 10th		SUNSHINE	75.0/ 30%	PARTLY CLOUDY 	10
LOWEST	-73.7	ON 25th						CLOUDY		11
				HIGH PRESSURE	698.2	ON 11th
				LOW PRESSURE	665.7	ON 23rd

NET CHANGE IN SNOWSTAKE FIELD:	+1.40 inches

Sunrise occurred at 1723UTC on day 20. Sunrise based on US Naval Observatory time.

The following data was changed from the old LCD:
All Average Temps recalculated for 24hrs instead of Max+Min/2.
Individual Data changed to reflect extremes from LCD and NCDC Data.
All Average Sky Cover changed to reflect data from 00Z through 00Z daily.
All Sky Cover changed to Octas.

Peak wind speed, peak wind direction, precipitation, sunshine amount, and present wx reported in NZST.
Insufficient data to convert these values to UTC.

All temperature, wind, and pressure data taken from NCDC data. LCD data originally reported in NZST.

Changed Extremes:
	From	To
Max T	-35.6	-35.5
Min T

Changed Monthly Averages:  (All temps are Minus C)
	From	To			From	To				From	To
Max T	53.4	52.0	Avg Wnd Spd	12.4	12.2	Avg Press		677.2	676.3
Min T	60.9	61.9	Max Press			Fastest Wnd MPH
Avg T	57.1	57.0	Min Press

Changes to Daily Data:
Max Temp	Day	1	5	7	8	9	10	15	19	25	26
		From:	53.6	62.1	63.6	58.8	39.6	35.6	52.2	66.6	70.8	54.7
		To:	53.3	60.5	63.3	47.2	37.7	35.5	50.5	58.3	61.6	49.4

Min Temp	Day	2	3	4	6	11	13	14	16	17	18	19	21	23	24	28	30
		From:	57.6	61.3	64.9	65.4	44.3	49.3	56.1	52.2	62.6	66.8	71.6	57.7	70.0	71.7	54.6	60.3
		To:	57.7	61.6	66.6	67.7	47.2	51.6	56.6	53.3	63.3	69.4	72.7	62.7	71.6	73.3	58.3	64.9

Avg Temp	Day	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
		From:	56.2	55.2	58.8	62.7	64.4	62.9	65.7	62.6	49.1	37.7	40.1	45.7	47.3	51.6	54.6	50.8
		To:	54.1	56.3	60.2	64.6	62.5	65.2	64.4	56.5	40.3	36.6	44.5	47.0	48.5	55.7	52.4	51.6
		Day	17	18	19	20	21	22	23	24	25	26	27	28	29	30
		From:	57.7	61.2	69.1	59.5	51.7	60.9	66.4	70.8	72.3	62.8	50.4	50.3	57.4	58.5
		To:	57.6	67.0	68.3	50.3	57.2	63.3	69.3	71.9	68.2	54.4	47.3	54.5	58.6	61.5

Number of NCDC observations per day: 8