***Corrected Winter 2010***

LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION

YEAR	1983
MONTH	APRIL		.... 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	60.4	66.8	64.4	0	100	 5.5	21	110	M	4	681.2
2	55.6	66.4	59.0	0	040	10.1	13	040	M	3	684.1
3	54.0	62.8	59.6	T	060	 9.2	17	040	M	4	683.8
4	62.3	65.6	63.9	T	090	 8.6	13	070	M	4	679.1
5	62.3	67.7	66.1	0	090	 8.3	14	080	M	4	674.7
6	58.3	68.7	64.6	0	080	 8.4	14	090	M	4	679.6
7	55.3	68.3	58.2	T	030	 9.2	18	030	M	4	683.5
8	56.1	63.3	62.8	T	060	 9.5	16	030	M	4	685.2
9	51.7	63.8	54.4	0	030	20.2	28	030	M	5	687.0
10	51.4	59.4	55.9	T	030	13.5	36	020	M	4	687.8
11	54.1	61.1	59.6	T	070	 9.5	20	040	M	3	686.4
12	40.6	63.5	46.9	T	360	13.2	22	360	M	3	687.0
13	40.3	52.5	48.8	T	320	 4.0	24	350	M	4	691.0
14	47.0	54.5	49.4	T	080	 8.1	13	140	M	4	686.9
15	47.9	58.5	57.2	T	100	11.8	20	090	M	4	678.4
16	54.2	59.4	57.8	T	050	11.8	20	060	M	4	675.1
17	52.8	59.9	54.2	0	020	15.2	24	050	M	4	676.2
18	39.4	56.2	44.7	0	360	20.2	29	360	M	6	680.6
19	39.2	47.5	42.9	T	010	14.4	30	350	M	4	687.5
20	39.9	48.9	45.1	T	360	20.1	27	020	M	4	681.3
21	42.4	49.4	47.1	T	020	11.5	29	010	M	4	681.9
22	46.0	60.0	58.6	T	100	 4.6	18	030	M	2	681.0
23	55.8	63.9	61.5	0	070	 7.3	14	070	M	1	680.3
24	59.3	64.2	61.6	0	040	 8.0	17	030	M	3	686.2
25	58.3	65.2	60.3	T	100	 6.9	15	040	M	3	685.8
26	55.0	63.2	57.5	T	060	 9.8	17	050	M	3	682.4
27	53.9	63.3	60.1	T	120	 2.6	13	060	M	3	688.4
28	47.8	63.4	50.4	T	360	 5.1	12	010	M	5	684.9
29	46.6	53.3	49.9	T	020	 4.6	14	360	M	5	686.3
30	45.5	57.8	55.0	T	100	 5.5	10	060	M	2	687.6

AVG	51.1	60.6	55.9	T	100	 9.9	36	020	M	4	683.4
							10th
AVG MONTHLY	-55.9		PCPN	TRACE			NR DAYS CLEAR	03
HIGHEST	-39.2	ON 19th		SUNSHINE	M		PARTLY CLOUDY 	27
LOWEST	-68.7	ON 6th						CLOUDY		00
				HIGH PRESSURE	692.3	ON 14th
				LOW PRESSURE	673.8	ON 6th
NET CHANGE IN SNOWSTAKE FIELD:	+2.00 inches

SUNSHINE 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
Min T

Changed Monthly Averages:  (All temps are Minus C)
	From	To			From	To				From	To
Max T	52.2	51.1	Avg Wnd Spd	9.5	 9.9	Avg Press		683.2	683.4
Min T	60.1	60.6	Max Press			Fastest Wnd MPH
Avg T	56.1	55.9	Min Press

Changes to Daily Data:
Max Temp	Day	2	6	9	12	17	18	25	26	27
		From:	59.0	64.8	54.6	48.1	53.2	46.7	60.1	56.8	54.6
		To:	55.6	58.3	51.7	40.6	52.8	39.4	58.3	55.0	53.9

Min Temp	Day	3	4	10	11	16	20	21	22	23	27	30
		From:	60.0	64.7	54.7	60.6	58.8	47.0	49.3	59.8	62.8	62.8	55.8
		To:	62.8	65.6	59.4	61.1	59.4	48.9	49.4	60.0	63.9	63.3	57.8

Avg Temp	Day	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16
		From:	63.6	62.7	57.0	63.5	65.0	66.8	61.8	59.7	59.2	53.1	57.3	55.8	46.4	50.8	53.2	56.5
		To:	64.4	59.0	59.6	63.9	66.1	64.6	58.2	62.8	54.4	55.9	59.6	46.9	48.8	49.4	57.2	57.8
		Day	17	18	19	20	21	22	23	24	25	26	27	28	29	30
		From:	56.6	51.5	43.4	43.5	45.9	52.9	59.3	61.8	62.6	60.0	58.7	55.6	50.0	50.7
		To:	54.2	44.7	42.9	45.1	47.1	58.6	61.5	61.7	60.3	57.5	60.1	50.4	49.9	55.0

Number of NCDC observations per day: 4