***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1983 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 32.7 36.7 35.6 T 010 6.7 23 030 22.6 8 698.6 2 32.8 37.0 34.2 T 050 9.2 14 050 23.7 8 698.1 3 31.1 36.7 34.6 T 070 8.6 16 060 16.3 4 691.6 4 32.6 38.9 35.6 T 060 5.9 12 090 14.9 4 690.9 5 32.9 39.2 35.8 T 090 3.3 8 110 19.8 8 691.5 6 33.2 41.7 39.7 T 060 4.7 8 020 15.4 8 694.0 7 35.0 42.8 38.2 T 040 11.8 15 040 18.9 8 695.6 8 35.6 40.6 37.6 T 020 6.6 17 020 8.5 5 694.8 9 34.7 43.0 41.9 T 100 8.4 14 010 16.8 1 695.9 10 38.9 42.9 40.3 0 070 11.9 16 060 24.0 2 692.5 11 38.6 42.8 42.2 0 060 10.6 17 060 24.0 6 685.5 12 41.3 45.6 43.8 T 030 8.2 17 020 24.0 6 685.7 13 42.8 46.1 45.4 T 070 7.8 13 020 23.0 6 688.5 14 43.9 46.3 44.2 T 080 8.6 12 090 24.0 2 687.9 15 43.8 45.6 45.1 0 110 7.1 13 080 24.0 2 685.3 16 44.9 46.7 46.1 T 080 6.8 13 110 24.0 2 682.5 17 45.5 48.3 47.5 T 080 7.2 13 090 24.0 3 679.4 18 44.4 49.0 46.6 T 020 11.7 20 040 23.3 8 677.6 19 42.2 46.4 44.2 T 020 17.5 23 020 23.2 8 680.7 20 38.9 45.2 40.9 T 010 13.5 29 020 4.1 6 682.8 21 38.5 50.0 48.5 T 080 5.2 22 010 19.0 2 680.1 22 47.7 51.4 50.7 T 130 7.9 12 130 24.0 0 677.3 23 48.7 51.4 49.4 0 130 9.8 17 120 24.0 3 679.5 24 46.1 50.8 48.5 0 120 4.8 17 140 21.7 6 681.7 25 45.3 52.8 51.5 T 100 8.2 12 100 16.8 6 679.0 26 48.3 53.3 50.0 T 020 16.5 22 030 16.6 8 681.5 27 40.6 50.1 43.7 T 010 22.6 32 010 0.0 8 683.8 28 39.4 46.2 43.6 T 010 13.8 30 360 1.6 7 684.1 AVG 40.0 45.3 43.1 T 010 9.5 32 010 18.7 5 686.8 27th AVG MONTHLY -43.1 PCPN TRACE NR DAYS CLEAR 07 HIGHEST -31.1 ON 3rd SUNSHINE 522.2/ 78% PARTLY CLOUDY 11 LOWEST -53.3 ON 26th CLOUDY 10 HIGH PRESSURE 699.4 ON 2nd LOW PRESSURE 676.5 ON 18th NET CHANGE IN SNOWSTAKE FIELD: +0.50 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 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 40.4 40.0 Avg Wnd Spd 9.6 9.5 Avg Press 686.7 686.8 Min T 44.8 45.3 Max Press Fastest Wnd MPH Avg T 42.6 43.1 Min Press Changes to Daily Data: Max Temp Day 2 8 10 14 19 20 24 26 27 28 From: 33.1 36.8 39.2 44.1 44.0 39.4 47.6 50.0 44.0 40.0 To: 32.8 35.6 38.9 43.9 42.2 38.9 46.1 48.3 40.6 39.4 Min Temp Day 3 4 6 8 11 12 13 15 16 17 21 25 From: 35.8 37.1 39.5 39.0 42.7 43.3 45.9 45.2 46.4 47.5 48.7 52.2 To: 36.7 38.9 41.7 40.6 42.8 45.6 46.1 45.6 46.7 48.3 50.0 52.8 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 34.7 35.0 33.5 34.8 36.1 36.4 38.9 37.9 38.9 41.1 40.7 42.3 44.4 45.2 44.5 45.7 To: 35.6 34.2 34.6 35.6 35.8 39.7 38.2 37.6 41.9 40.3 42.2 43.8 45.4 44.2 45.1 46.1 Day 17 18 19 20 21 22 23 24 25 26 27 28 From: 46.5 46.7 45.2 42.3 43.6 49.6 50.1 49.2 48.8 51.7 47.0 43.1 To: 47.5 46.6 44.2 40.9 48.5 50.7 49.4 48.5 51.5 50.0 43.7 43.6 Number of NCDC observations per day: 8