***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1978 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 31.7 39.1 33.8 T 350 9.1 14 360 16.0 8 691.4 2 31.0 37.8 36.3 T 090 8.2 15 340 12.5 2 692.3 BS 3 36.4 39.4 39.1 T 080 8.8 15 070 24.0 0 691.2 4 38.2 40.5 39.1 T 040 13.8 18 060 24.0 1 692.3 5 31.7 39.5 35.8 T 010 19.1 23 020 23.8 6 691.0 BS 6 31.3 38.9 35.6 T 010 13.8 25 010 6.4 6 690.1 BS 7 35.2 41.7 40.2 T 060 9.2 18 020 24.0 1 686.6 8 33.3 41.7 35.3 T 020 15.7 23 020 15.7 8 688.9 BS 9 31.7 36.8 34.6 T 020 10.8 21 020 10.3 8 692.3 BS 10 29.8 37.0 33.7 T 040 15.3 21 040 5.8 4 691.5 BS 11 30.1 40.6 37.8 T 040 13.1 26 060 19.5 4 691.7 BS 12 30.0 41.3 35.8 T 040 13.4 21 050 21.2 6 692.1 13 29.5 37.8 33.4 T 030 19.6 30 030 5.6 4 695.2 BS 14 28.8 38.9 36.9 0 110 13.5 32 050 21.8 0 684.5 15 34.7 43.9 40.6 0 080 8.3 20 090 24.0 1 682.6 BS 16 39.7 45.6 43.6 T 070 9.3 14 070 22.2 3 683.9 17 42.6 45.2 43.6 T 030 12.5 17 040 24.0 5 682.9 18 37.8 44.3 40.3 T 050 12.1 17 030 19.8 7 682.1 19 36.7 42.9 40.5 T 050 11.9 20 040 11.6 5 680.8 BS 20 37.2 41.7 39.4 T 040 15.1 22 040 7.2 8 678.2 BS 21 35.8 43.3 40.2 T 010 13.4 28 020 5.6 8 679.5 BS 22 39.4 44.8 41.9 T 010 9.8 20 010 14.6 8 685.8 BS 23 38.3 46.7 41.9 T 030 8.3 14 010 1.5 6 685.7 24 38.5 48.3 46.9 T 100 11.9 17 120 19.4 0 678.7 25 45.2 51.7 50.1 T 090 11.7 17 110 24.0 2 672.8 26 49.5 53.9 53.3 T 090 9.9 16 080 21.0 1 674.3 27 53.0 55.6 54.6 T 090 9.7 14 080 24.0 3 675.9 28 53.3 57.8 55.9 T 060 7.5 14 080 21.0 5 678.3 AVG 36.8 43.5 40.7 T 040 11.9 32 050 16.8 4 685.4 14th AVG MONTHLY -40.7 PCPN TRACE NR DAYS CLEAR 09 HIGHEST -28.8 ON 14th SUNSHINE 470.5/ 70% PARTLY CLOUDY 12 LOWEST -57.8 ON 28th CLOUDY 07 HIGH PRESSURE 696.6 ON 14th LOW PRESSURE 672.2 ON 26th NET CHANGE IN SNOWSTAKE FIELD: +0.72 inches 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 -57.2 -57.8 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 37.6 36.8 Avg Wnd Spd 12.1 11.9 Avg Press 685.7 685.4 Min T 42.7 43.5 Max Press 696.5 696.6 Fastest Wnd MPH Avg T 40.1 40.7 Min Press Changes to Daily Data: Max Temp Day 1 5 8 9 12 18 20 22 23 From: 33.5 37.6 34.3 33.3 37.1 39.6 38.5 39.8 38.5 To: 31.7 31.7 33.3 31.7 30.0 37.8 37.2 39.4 38.3 Min Temp Day 2 3 6 7 11 13 14 15 16 21 23 24 25 26 27 28 From: 37.7 39.2 37.6 41.0 37.0 37.5 38.5 40.3 43.6 40.9 43.9 48.1 50.1 53.7 54.9 57.2 To: 37.8 39.4 38.9 41.7 40.6 37.8 38.9 43.9 45.6 43.3 46.7 48.3 51.7 53.9 55.6 57.8 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 36.3 34.4 37.8 39.4 38.5 34.5 38.1 38.0 35.0 33.4 33.5 39.2 33.5 33.7 37.5 41.7 To: 33.8 36.3 39.1 39.1 35.8 35.6 40.2 35.3 34.6 33.7 37.8 35.8 33.4 36.9 40.6 43.6 Day 17 18 19 20 21 22 23 24 25 26 27 28 From: 43.9 42.0 39.8 40.1 38.4 42.3 41.2 43.3 47.7 51.6 54.0 55.3 To: 43.6 40.3 40.5 39.4 40.2 41.9 41.9 46.9 50.1 53.3 54.6 55.9 Number of NCDC observations per day: 8