***Corrected Winter 2011***

LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION

YEAR	1975
MONTH	FEBRUARY		.... 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	36.1	40.0	38.2	0	140	10.0	13	110	23.5	1	680.8	
2	35.6	38.3	37.0	0	110	 9.8	13	140	22.3	0	686.9	IF
3	36.7	38.3	37.0	0	100	 9.5	12	140	24.0	0	689.8	
4	31.1	37.8	35.0	0	100	10.6	15	110	24.0	2	682.4	
5	27.8	36.7	30.6	0	330	 7.2	15	090	13.5	8	686.2	IF
6	30.0	37.2	35.1	0	030	 4.0	 9	340	 1.2	8	693.7	IF
7	25.9	37.8	30.7	T	080	 9.5	14	090	 3.8	6	694.1	SG,IF
8	26.1	33.3	30.3	T	090	11.8	20	120	16.0	4	691.2	SG,IF
9	27.8	38.6	37.2	T	110	 6.1	13	360	 7.7	3	693.3	IC,IF
10	36.7	40.0	39.1	0	100	 8.9	12	110	23.5	2	686.8	
11	36.4	40.6	38.2	0	020	 6.7	12	090	18.8	6	683.4	
12	31.7	40.0	34.7	T	340	13.5	17	360	 7.8	8	688.8	IC,IF
13	30.0	36.1	32.5	0	350	13.3	20	340	 0.0	8	689.7	IC
14	32.2	35.3	34.4	0	010	14.9	21	360	 0.8	8	686.9	SG,IF
15	33.1	37.8	35.6	0	010	16.1	21	360	 0.3	8	689.1	IF
16	33.3	37.8	35.7	T	010	15.3	20	360	 1.7	8	691.8	SG,IF
17	32.5	37.8	34.9	0	010	13.8	16	360	 6.3	6	692.8	IF
18	32.0	39.8	36.2	0	350	 7.7	16	360	 1.7	7	693.3	IF
19	36.1	42.2	40.2	0	110	 7.8	10	360	23.7	2	694.3	
20	30.9	41.7	36.1	0	090	 9.5	14	360	13.3	4	692.7	IF
21	31.1	45.9	44.1	0	100	 9.5	14	110	22.5	0	688.1	
22	42.8	48.9	48.0	0	080	 9.5	14	090	24.0	0	684.1	
23	47.8	49.7	49.2	0	080	10.8	13	090	24.0	0	681.7	
24	48.9	51.4	50.6	0	090	 8.9	13	080	24.0	0	679.8	
25	50.6	52.5	52.1	0	090	 9.5	12	090	24.0	5	680.1	
26	49.2	54.4	51.6	0	030	10.3	13	090	19.3	6	684.6	
27	46.1	52.2	50.0	0	030	11.0	16	020	16.0	3	684.7	IF
28	50.0	55.6	54.4	0	110	 6.9	15	020	23.3	0	685.0	

AVG	36.0	42.1	39.6	T	010	10.1	21	360	14.7	4	687.7
							14th,15th
AVG MONTHLY	-39.6		PCPN	TRACE			NR DAYS CLEAR	11
HIGHEST	-25.9	ON  7th		SUNSHINE	411.0/ 61%	PARTLY CLOUDY 	09
LOWEST	-55.6	ON 28th						CLOUDY		08
				HIGH PRESSURE	695.4	ON  7th
				LOW PRESSURE	676.3	ON  1st

NET CHANGE IN SNOWSTAKE FIELD:	M

SNOWSTAKE DATA NOT AVAILABLE.

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	-26.1	-25.9
Min T

Changed Monthly Averages:  (All temps are Minus C)
	From	To			From	To			From	To
Max T	36.5	36.0	Avg Wnd Spd	9.9	10.1	Avg Press	687.5	687.7
Min T	41.7	42.1	Max Press			Fastest Wnd MPH
Avg T	39.1	39.6	Min Press

Changes to Daily Data:
Max Temp	Day	7	11	12	15	17	18	20	26
		From:	28.9	37.8	36.1	33.9	34.4	32.2	31.1	51.7
		To:	25.9	36.4	31.7	33.1	32.5	32.0	30.9	49.2

Min Temp	Day	9	14	18	21	22	23	24	25
		From:	37.8	35.0	36.1	43.3	47.8	49.4	51.1	52.2
		To:	38.6	35.3	39.8	45.9	48.9	49.7	51.4	52.5

Avg Temp	Day	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
		From:	38.1	36.9	37.5	34.4	32.2	33.6	33.3	29.7	32.8	38.3	39.2	38.1	33.1	33.6	35.8	35.6
		To:	38.2	37.0	37.0	35.0	30.6	35.1	30.7	30.3	37.2	39.1	38.2	34.7	32.5	34.4	35.6	35.7
		Day	17	18	19	20	21	22	23	24	25	26	27	28
		From:	36.1	34.2	39.2	36.4	37.2	45.3	48.6	50.0	51.4	53.1	49.2	52.8
		To:	34.9	36.2	40.2	36.1	44.1	48.0	49.2	50.6	52.1	51.6	50.0	54.4

Number of NCDC observations per day: 4