***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1976 MONTH DECEMBER .... 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 26.4 29.4 27.0 T 030 15.8 24 040 M 4 703.0 2 26.4 28.7 28.0 T 020 8.4 22 010 M 4 702.1 3 22.0 28.9 25.2 T 350 12.8 18 030 M 4 700.1 4 21.7 26.7 24.3 T 350 12.4 24 340 M 7 701.2 5 21.7 28.3 26.9 T 030 8.5 18 020 M 8 702.0 6 24.8 29.4 26.9 T 070 8.4 14 350 M 8 694.3 7 22.8 30.0 23.6 T 360 11.7 19 360 M 8 696.8 8 23.3 27.5 26.1 T 350 9.2 18 350 M 7 697.8 9 23.9 30.3 27.6 T 080 4.8 12 340 M 5 698.0 10 25.0 30.6 26.7 T 040 14.2 18 030 M 3 695.3 11 25.9 28.3 27.2 T 360 12.7 22 040 M 4 693.5 12 25.0 28.9 27.0 T 350 7.2 24 350 M 4 698.8 13 24.2 27.8 25.6 T 010 12.6 16 020 M 5 701.3 14 22.6 27.2 23.8 T 010 13.5 22 010 M 4 701.0 15 22.2 24.4 23.2 T 020 19.1 25 010 M 5 701.8 16 22.8 23.9 23.3 T 020 14.6 30 020 M 3 704.0 17 22.0 24.4 23.1 0 080 8.5 22 030 M 2 701.0 18 22.8 25.6 24.5 T 270 9.0 18 310 M 4 701.2 19 23.3 26.1 24.7 T 310 19.0 26 320 M 8 699.7 20 23.3 26.1 23.8 0 310 14.8 31 310 M 8 695.2 21 23.9 25.6 24.9 T 070 7.8 23 320 M 5 695.6 22 23.9 26.7 25.7 T 110 7.9 11 090 M 3 698.5 23 24.2 26.7 24.5 0 070 9.5 14 110 M 2 699.2 24 20.3 25.0 22.1 T 080 13.5 17 080 M 4 696.7 25 20.0 25.6 24.2 T 280 10.1 25 030 M 7 696.9 26 22.8 27.0 26.0 T 330 9.6 18 290 M 5 701.7 27 26.1 28.3 27.8 T 100 7.6 17 320 M 1 698.2 28 24.8 28.3 26.5 0 350 8.6 13 090 M 3 698.5 29 23.3 27.2 25.5 0 020 10.7 13 360 M 2 700.4 30 22.2 25.6 23.4 T 030 9.0 15 030 M 6 697.3 31 22.2 26.1 24.5 T 080 6.9 14 360 M 8 697.7 AVG 23.4 27.2 25.3 T 350 10.9 31 310 M 5 699.0 20th AVG MONTHLY -25.3 PCPN TRACE NR DAYS CLEAR 08 HIGHEST -20.0 ON 25th SUNSHINE M PARTLY CLOUDY 15 LOWEST -30.6 ON 10th CLOUDY 08 HIGH PRESSURE 704.8 ON 1st LOW PRESSURE 692.5 ON 11th NET CHANGE IN SNOWSTAKE FIELD: 9.99 SNOWSTAKE DATA NOT AVAILABLE. 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 24.2 23.4 Avg Wnd Spd 10.7 10.9 Avg Press Min T 27.0 27.2 Max Press Fastest Wnd MPH Avg T 25.6 25.3 Min Press 693.4 692.5 Changes to Daily Data: Max Temp Day 1 2 3 6 11 13 14 17 23 24 28 30 From: 26.7 26.7 26.1 25.6 26.7 25.6 23.9 22.2 24.4 23.3 27.2 30.6 To: 26.4 26.4 22.0 24.8 25.9 24.2 22.6 22.0 24.2 20.3 24.8 22.2 Min Temp Day 2 8 9 18 22 25 26 From: 28.3 26.7 28.3 25.0 26.1 23.3 26.1 To: 28.7 27.5 30.3 25.6 26.7 25.6 27.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 28.1 27.5 27.5 24.2 25.0 27.5 26.4 25.0 26.1 27.8 27.5 26.9 26.7 25.6 23.3 23.3 To: 27.0 28.0 25.2 24.3 26.9 26.9 23.6 26.1 27.6 26.7 27.2 27.0 25.6 23.8 23.2 23.3 Day 17 18 20 21 22 23 24 25 26 27 28 29 30 31 From: 23.3 23.9 24.7 24.7 25.0 25.6 24.2 21.7 24.4 27.2 27.8 25.3 28.1 24.2 To: 23.1 24.5 23.8 24.9 25.7 24.5 22.1 24.2 26.0 27.8 26.5 25.5 23.4 24.5 NCDC Obs Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 No. 4 4 7 5 5 7 6 7 8 6 8 7 8 8 8 8 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 No. 8 7 8 8 8 8 7 4 5 5 5 6 6 7 6