***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1963 MONTH JANUARY ....... ALL TEMPERATURES MINUS C .............. DAY TEMPERATURE C. PCPN AVG WND FASTEST SUN SKY STN WX MAX MIN AVG SPEED MILE SHINE COVER PRESS DIR MPH SPD DIR HRS 01 25.3 30.6 28.4 T 360 11.1 20 360 M 7 690.1 02 22.8 27.2 25.2 T 360 8.8 13 360 M 8 689.7 03 27.2 29.4 28.3 T 360 4.3 8 360 M 8 692.5 04 28.9 31.7 30.2 T 110 5.7 9 140 M 2 688.1 05 24.2 32.2 28.6 T 340 10.0 20 340 M 4 690.3 06 24.4 27.8 27.0 T 070 7.3 14 340 M 2 688.6 07 25.6 27.8 26.7 0 160 8.1 14 160 M 2 687.5 08 25.6 28.3 26.9 T 360 5.4 12 160 M 6 690.2 09 25.9 28.3 27.0 T 360 15.9 21 360 M 7 687.2 10 23.7 26.1 24.8 T 360 16.2 22 360 M 8 685.5 11 22.8 27.8 25.9 T 070 8.3 12 070 M 2 687.0 12 24.2 27.8 26.1 T 020 10.9 15 020 M 4 685.6 13 22.0 25.6 23.1 T 070 7.5 12 360 M 8 681.7 14 23.7 27.2 25.2 T 340 7.3 10 320 M 8 681.2 15 23.7 30.6 26.8 T 360 5.8 18 320 M 7 681.9 16 25.9 30.6 28.3 T 020 8.2 12 050 M 4 678.5 17 28.7 31.1 30.1 T 020 11.6 15 020 M 2 680.3 18 25.3 30.0 27.5 T 360 8.5 14 050 M 8 681.9 19 24.8 30.6 27.6 T 050 10.6 16 070 M 7 685.2 20 25.0 31.7 30.7 T 050 12.6 15 070 M 0 681.5 21 29.4 32.8 30.7 T 050 11.1 16 360 M 5 677.8 22 30.0 33.9 32.1 T 360 9.3 13 360 M 5 677.7 23 28.7 33.9 31.6 T 360 9.7 14 050 M 6 681.4 24 29.4 34.4 32.3 T 090 8.6 13 050 M 5 679.6 25 29.8 36.7 33.8 T 360 3.6 10 140 M 4 680.2 26 36.7 39.4 38.1 0 090 7.5 12 090 M 0 677.1 27 30.0 37.2 32.2 T 360 6.6 9 020 M 7 679.9 28 27.5 31.1 28.8 T 270 4.8 8 340 M 8 682.7 29 27.5 35.0 32.3 T 020 10.2 14 050 M 3 679.8 30 25.9 33.9 28.4 T 070 10.8 14 110 M 6 674.1 31 29.8 35.0 31.6 T 360 8.8 16 360 M 6 680.6 AVG 26.6 31.2 28.9 T 360 8.9 22 360 M 5 683.4 10th AVG MONTHLY -28.9 PCPN TRACE NR DAYS CLEAR 07 HIGHEST -22.0 ON 13th SUNSHINE M PARTLY CLOUDY 12 LOWEST -39.4 ON 26th CLOUDY 12 HIGH PRESSURE 693.9 ON 3rd LOW PRESSURE 672.9 ON 30th NET CHANGE IN SNOWSTAKE FIELD: +0.30 inches 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 Sky Cover changed to Octas. Station Pressure converted from inches of Hg to millibars. Prevailing and peak wind direction converted from cardinal direction to degrees. Changed Extremes: From To Max T -22.2 -22.0 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 26.7 26.6 Avg Wnd Spd Avg Press 683.5 683.4 Min T 31.1 31.2 Max Press Fastest Wnd MPH Avg T Min Press Changes to Daily Data: Max Temp Day 1 5 9 10 12 13 14 15 16 17 18 19 23 From: 25.6 24.4 26.1 23.9 24.4 22.2 23.9 23.9 26.1 28.9 25.6 25.0 28.9 To: 25.3 24.2 25.9 23.7 24.2 22.0 23.7 23.7 25.9 28.7 25.3 24.8 28.7 Day 25 28 29 30 31 From: 30.0 27.8 27.8 26.1 30.0 To: 29.8 27.5 27.5 25.9 29.8 Min Temp No Daily Changes Avg Temp Day 1 2 4 5 6 8 9 10 11 13 14 15 17 18 From: 28.3 25.0 30.6 28.3 28.3 27.2 27.2 25.0 25.0 23.9 25.6 27.2 30.0 27.8 To: 28.4 25.2 30.2 28.6 27.0 26.9 27.0 24.8 25.9 23.1 25.2 26.8 30.1 27.5 Day 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 27.8 28.3 28.3 32.2 31.7 32.2 33.3 38.3 33.9 28.9 31.7 30.0 32.8 To: 27.6 30.7 30.7 32.1 31.6 32.3 33.8 38.1 32.2 28.8 32.3 28.4 31.6 Number of NCDC observations per day: 8