***Corrected Winter 2011***

LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION

YEAR	1977
MONTH	MARCH		.... 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	41.4	56.7	47.1	T	030	20.5	30	030	M	7	684.2
2	39.2	49.4	39.6	T	360	22.8	38	010	M	8	683.6
3	38.9	45.6	44.4	T	010	14.4	31	360	M	7	686.4
4	43.9	46.7	44.9	T	010	21.5	24	010	M	8	685.4
5	43.1	46.7	43.4	T	010	20.7	29	010	M	8	683.1
6	43.3	51.4	49.2	T	010	14.4	24	010	M	6	677.9
7	49.4	55.3	53.6	T	070	11.8	20	020	M	6	675.8
8	49.4	58.6	57.4	T	080	10.6	15	070	M	2	677.1
9	55.9	60.6	57.2	T	040	 7.8	13	070	M	5	683.6
10	47.0	59.4	51.7	T	010	15.2	18	030	M	4	685.6
11	43.6	53.3	44.6	T	350	21.3	35	360	M	8	688.1
12	43.3	45.9	45.2	T	340	14.1	32	340	M	7	696.6
13	43.9	51.1	49.3	T	060	10.8	20	340	M	2	696.6
14	45.0	51.1	47.9	T	070	11.2	19	070	M	6	687.3
15	47.2	51.1	49.0	T	040	11.2	15	050	M	6	682.6
16	47.8	55.0	52.4	T	020	12.7	19	020	M	4	679.0
17	49.2	55.0	51.7	T	350	19.9	24	360	M	6	677.8
18	47.5	53.9	49.3	T	360	14.1	26	350	M	5	681.4
19	48.3	59.7	57.4	0	090	11.8	17	010	M	1	677.0
20	56.7	64.7	63.6	T	100	 7.2	15	090	M	0	669.1
21	63.3	67.0	66.0	T	090	 7.8	11	080	M	0	668.8
22	64.7	67.2	65.3	0	100	11.2	19	110	M	0	666.5
23	65.0	67.8	67.2	T	080	 8.1	18	100	0.0	0	668.2
24	65.8	68.3	66.5	T	070	 8.3	11	080	0.0	1	667.7
25	66.1	68.6	67.8	T	060	 8.3	12	060	0.0	2	673.5
26	62.0	69.4	66.1	T	080	 6.0	11	060	0.0	3	681.7
27	56.4	68.3	58.2	T	020	13.2	18	030	0.0	6	685.9
28	48.1	58.3	50.1	T	360	16.9	23	360	0.0	8	690.6
29	48.3	53.9	52.6	T	360	14.4	23	350	0.0	8	696.8
30	48.6	55.0	50.2	T	050	 7.2	19	360	0.0	7	693.3
31	47.8	59.7	55.0	T	090	 5.8	10	060	0.0	5	686.1

AVG	50.3	57.2	53.7	T	010	12.9	38	010	M	5	681.8
							2nd
AVG MONTHLY	-53.7			PCPN	TRACE			NR DAYS CLEAR	09
HIGHEST	-38.9	ON 3rd		  	SUNSHINE	M		PARTLY CLOUDY 	12
LOWEST	-69.4	ON 26th							CLOUDY		10
				HIGH PRESSURE	699.0	ON 12th,13th
				LOW PRESSURE	665.8	ON 22nd

NET CHANGE IN SNOWSTAKE FIELD:	M

SNOWSTAKE DATA NOT AVAILABLE.

Sunset occurred at 2015UTC on day 22. Sunset based on US Naval Observatory time.
Insufficient Data available for Sunshine Hours Computation.

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
Min T

Changed Monthly Averages:  (All temps are Minus C)
	From	To			From	To				From	To
Max T	51.3	50.3	Avg Wnd Spd	13.0	12.9	Avg Press
Min T	56.8	57.2	Max Press	698.4	699.0	Fastest Wnd MPH
Avg T	54.0	53.7	Min Press	666.0	665.8

Changes to Daily Data:
Max Temp	Day	1	2	5	9	10	11	17	18	22	24	26	27	28	30
		From:	49.4	40.0	43.3	57.2	52.8	45.0	51.1	47.8	65.0	66.7	67.2	57.8	50.0	49.4
		To:	41.4	39.2	43.1	55.9	47.0	43.6	49.2	47.5	64.7	65.8	62.0	56.4	48.1	48.6

Min Temp	Day	6	7	8	12	19	20	21	25	31
		From:	49.4	53.9	57.2	45.6	57.8	63.9	66.1	68.3	53.9
		To:	51.4	55.3	58.6	45.9	59.7	64.7	67.0	68.6	59.7

Avg Temp	Day	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
		From:	53.1	44.7	42.2	45.3	45.0	46.4	51.7	53.3	58.9	56.1	49.2	44.4	47.5	48.1	49.2	51.4
		To:	47.1	39.6	44.4	44.9	43.4	49.2	53.6	57.4	57.2	51.7	44.6	45.2	49.3	47.9	49.0	52.4
		Day	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
		From:	53.1	50.8	53.1	60.3	64.7	66.1	66.4	67.5	67.2	68.3	63.1	54.2	51.1	52.2	50.8
		To:	51.7	49.3	57.4	63.6	66.0	65.3	67.2	66.5	67.8	66.1	58.2	50.1	52.6	50.2	55.0

Number of NCDC observations per day: 4