***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1960 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 22.6 26.7 24.7 T 020 8.6 13 070 M 7 686.8 02 22.0 26.1 23.7 T 070 10.5 17 070 M 6 683.7 03 23.1 27.2 25.3 T 070 10.2 16 360 M 6 683.4 04 27.0 31.7 28.6 T 050 10.5 16 020 M 5 680.8 05 31.7 32.8 32.1 0 360 9.9 13 020 M 2 681.7 06 27.8 32.2 30.6 T 090 10.6 15 090 M 0 682.2 07 27.0 29.4 27.9 T 020 9.9 17 020 M 6 677.3 08 27.0 30.0 28.5 T 020 7.8 16 340 M 7 679.0 09 29.8 33.3 31.7 T 290 4.7 13 320 M 4 682.4 10 29.2 33.3 31.7 0 070 9.1 15 050 M 3 677.3 IF 11 30.0 32.8 31.3 T 360 12.4 22 340 M 7 676.3 IF 12 29.2 31.7 30.1 T 360 12.9 18 360 M 6 679.5 13 28.1 31.1 29.5 T 340 12.6 17 360 M 7 681.2 IF 14 28.7 32.2 30.3 T 340 6.4 13 340 M 6 678.8 15 31.1 34.4 32.6 T 360 7.4 10 070 M 6 676.4 16 27.5 33.9 30.8 T 070 11.2 15 070 M 7 675.8 17 27.5 31.7 29.2 T 050 10.0 15 050 M 6 674.6 18 30.3 33.3 31.8 T 110 8.9 12 070 M 5 677.3 19 32.0 35.6 34.0 T 360 11.2 15 090 M 2 682.5 20 33.1 35.0 33.8 0 090 14.4 18 090 M 0 684.2 21 33.1 35.0 33.7 0 090 10.8 17 090 M 1 687.6 22 34.2 35.6 34.6 0 110 6.3 9 070 M 0 692.2 23 34.2 35.0 34.6 0 110 8.5 13 110 M 0 687.6 24 33.1 35.0 34.3 0 020 7.3 17 360 M 2 686.3 25 24.2 34.4 28.7 0 290 7.8 12 360 M 8 690.8 26 21.4 25.0 23.6 T 290 7.0 13 290 M 8 693.4 27 22.6 31.1 27.9 T 090 8.3 12 110 M 6 689.6 28 26.4 32.8 29.8 T 070 12.2 18 070 M 3 687.6 29 31.4 33.3 32.2 T 070 11.9 16 050 M 1 688.1 30 28.7 33.9 32.4 T 050 13.0 20 050 M 3 690.7 31 30.0 34.2 32.6 T 050 13.7 20 050 M 2 689.1 AVG 28.5 32.2 30.4 070 9.9 22 340 M 4 683.4 11th AVG MONTHLY -30.4 PCPN TRACE NR DAYS CLEAR 10 HIGHEST -21.4 ON 26th SUNSHINE M PARTLY CLOUDY 14 LOWEST -35.6 ON 19th,22nd CLOUDY 07 HIGH PRESSURE 694.5 ON 26th LOW PRESSURE 674.2 ON 17th NET CHANGE IN SNOWSTAKE FIELD: -0.35 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. Wind speed converted from knots to MPH. All wind and pressure data taken from original LCD unless otherwise indicated. Prevailing and peak wind direction converted from cardinal direction to degrees. Changed Extremes: From To Max T -21.7 -21.4 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 28.7 28.5 Avg Wnd Spd Avg Press 683.3 683.4 Min T Max Press Fastest Wnd MPH Avg T 30.5 30.4 Min Press Changes to Daily Data: Max Temp Day 1 2 3 4 7 8 9 10 12 13 14 16 17 From: 22.8 22.2 23.3 27.2 27.2 27.2 30.0 29.4 29.4 28.3 28.9 27.8 27.8 To: 22.6 22.0 23.1 27.0 27.0 27.0 29.8 29.2 29.2 28.1 28.7 27.5 27.5 Day 18 19 20 21 22 23 24 25 26 27 28 29 From: 30.6 32.2 33.3 33.3 34.4 34.4 33.3 24.4 21.7 22.8 26.7 31.7 To: 30.3 32.0 33.1 33.1 34.2 34.2 33.1 24.2 21.4 22.6 26.4 31.4 Min Temp Day 31 From: 32.8 To: 34.2 Avg Temp Day 2 4 5 6 7 8 10 11 12 13 14 15 16 17 From: 24.2 29.4 32.2 30.0 28.3 28.6 31.4 31.4 30.6 29.7 30.6 32.8 30.8 29.7 To: 23.7 28.6 32.1 30.6 27.9 28.5 31.7 31.3 30.1 29.5 30.3 32.6 30.8 29.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 29.7 31.9 33.9 34.2 34.2 35.0 34.7 34.2 29.4 23.3 26.9 29.7 32.5 31.4 31.4 To: 29.2 31.8 34.0 33.8 33.7 34.6 34.6 34.3 28.7 23.6 27.9 29.8 32.2 32.4 32.6 Number of NCDC observations per day: 24