***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1961 MONTH NOVEMBER ....... 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 33.9 37.2 35.6 0 050 26.1 32 360 M 5 678.9 02 34.2 38.3 36.8 0 360 26.8 33 360 M 2 680.2 03 38.1 40.6 38.9 0 020 23.2 30 020 M 3 678.8 04 40.0 41.7 40.6 0 050 14.4 20 050 M 2 680.0 05 40.9 44.4 42.4 0 070 15.7 22 050 M 0 678.2 06 42.0 44.4 42.9 0 050 16.8 20 020 M 2 677.9 07 42.0 43.3 42.7 0 050 15.2 18 050 M 0 680.8 08 42.5 44.4 43.0 0 050 13.8 16 050 M 0 679.4 09 42.5 43.9 43.2 0 050 13.7 17 050 M 0 677.1 10 41.4 44.4 42.1 0 070 13.1 15 070 M 0 674.6 11 42.0 43.3 42.2 0 070 13.1 16 020 M 0 676.0 12 38.6 43.3 41.1 0 360 15.1 18 360 M 2 685.3 13 33.7 40.6 36.6 T 020 11.9 16 020 M 6 690.5 14 32.5 33.9 36.4 0 070 9.5 13 090 M 3 687.2 15 32.8 38.3 36.8 0 020 12.0 14 020 M 3 686.0 16 37.5 38.9 38.1 0 360 15.4 18 020 M 5 685.6 17 35.3 37.8 36.4 0 020 10.1 16 360 M 7 686.0 18 35.0 38.9 37.2 0 360 4.8 9 090 M 5 682.7 19 37.2 41.1 40.1 0 090 10.3 13 090 M 0 680.5 20 39.4 41.1 40.5 0 090 10.4 14 090 M 0 678.6 21 39.2 41.7 40.5 0 360 8.7 14 360 M 1 683.9 22 36.1 40.0 37.5 0 360 15.6 18 360 M 7 692.8 23 35.3 41.7 35.6 0 360 15.2 17 360 M 1 693.4 24 33.7 35.6 34.4 0 020 13.6 17 020 M 2 688.8 25 35.0 36.7 36.1 0 070 9.5 14 070 M 1 682.8 26 36.1 37.2 36.6 0 360 7.4 14 360 M 0 684.4 27 33.7 36.7 34.6 0 050 12.6 15 050 M 2 688.7 28 31.4 36.7 32.2 0 360 14.3 18 020 M 5 686.7 29 32.0 33.3 32.9 T 360 16.6 21 360 M 5 683.9 30 32.0 33.3 32.7 0 020 13.1 16 020 M 2 678.8 AVG 36.9 39.8 38.2 T 360 13.9 33 360 M 2 683.0 2nd AVG MONTHLY -38.2 PCPN TRACE NR DAYS CLEAR 19 HIGHEST -31.4 ON 28th SUNSHINE M PARTLY CLOUDY 09 LOWEST -44.4 ON 5th,6th,8th,10th CLOUDY 02 HIGH PRESSURE 694.5 ON 23rd LOW PRESSURE 673.2 ON 11th NET CHANGE IN SNOWSTAKE FIELD: +0.23 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. 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 -31.0 -31.4 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 37.1 36.9 Avg Wnd Spd Avg Press 682.9 683.0 Min T Max Press Fastest Wnd MPH Avg T 38.6 38.2 Min Press Changes to Daily Data: Max Temp Day 2 3 5 6 7 8 9 10 11 12 From: 34.4 38.3 41.1 42.2 42.2 42.8 42.8 41.7 44.4 38.9 To: 34.2 38.1 40.9 42.0 42.0 42.5 42.5 41.4 42.0 38.6 Day 13 14 16 17 21 23 24 27 28 29 From: 33.9 32.8 37.8 35.6 39.4 35.6 33.9 33.9 33.9 32.2 To: 33.7 32.5 37.5 35.3 39.2 35.3 33.7 33.7 31.4 32.0 Min Temp No Daily Changes Avg Temp Day 2 3 4 5 6 7 8 9 10 13 14 15 16 From: 36.7 39.4 41.1 42.8 43.3 42.8 43.9 43.3 43.3 37.2 36.1 35.6 38.3 To: 36.8 38.9 40.6 42.4 42.9 42.7 43.0 43.2 42.1 36.6 36.4 36.8 38.1 Day 17 19 20 21 22 23 24 26 27 28 29 30 From: 36.7 39.4 40.6 40.6 38.3 38.9 35.0 36.7 35.6 33.9 32.8 32.8 To: 36.4 40.1 40.5 40.5 37.5 35.6 34.4 36.6 34.6 32.2 32.9 32.7 Number of NCDC observations per day: 8