***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1962 MONTH FEBRUARY ....... 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 34.8 38.9 37.4 T 050 12.4 16 360 M 5 679.0 02 35.0 38.3 37.1 T 360 13.3 16 360 M 6 683.4 03 36.7 40.0 38.5 T 110 11.0 15 110 M 7 688.2 04 37.8 40.6 38.9 0 090 13.1 16 090 M 2 682.5 05 39.8 41.7 40.7 0 050 13.1 16 050 M 0 679.3 06 41.4 44.4 43.2 T 020 10.7 15 020 M 4 681.1 07 44.2 46.1 44.8 T 090 9.9 12 140 M 5 683.3 08 44.2 46.1 45.2 T 110 10.2 12 110 M 5 687.9 09 44.8 46.1 45.4 0 090 11.8 14 110 M 0 691.9 10 43.6 45.6 44.0 T 110 12.6 15 110 M 6 691.5 11 39.8 43.9 41.5 T 020 9.0 16 020 M 6 693.5 12 39.2 43.9 40.9 T 070 13.7 18 050 M 2 697.0 13 37.5 41.1 38.5 0 090 18.7 21 070 M 2 691.5 14 37.2 40.0 38.6 T 050 17.6 22 360 M 6 686.7 15 38.9 42.2 41.4 T 360 16.3 18 360 M 7 688.2 16 39.2 41.7 40.1 T 020 19.2 24 020 M 3 689.3 17 35.6 41.1 38.1 T 360 22.5 28 020 M 6 686.9 BSIF 18 35.9 41.1 38.1 T 360 21.8 30 360 M 4 681.8 BSIF 19 39.8 42.8 40.9 T 360 15.1 20 360 M 8 684.8 20 36.1 40.0 37.4 T 360 17.3 22 360 M 8 686.6 BSIF 21 37.0 42.2 40.0 T 020 12.2 17 360 M 3 682.8 22 37.5 42.8 39.5 T 020 12.6 17 360 M 8 683.1 23 37.5 43.9 40.2 T 090 11.4 15 090 M 6 685.5 24 42.5 46.7 44.4 0 090 14.3 18 090 M 2 681.0 25 45.6 48.3 46.9 T 090 13.7 17 070 M 2 678.6 26 45.3 48.9 47.0 T 070 16.4 20 070 M 6 678.7 27 46.7 49.4 47.8 T 070 15.9 21 070 M 3 676.0 28 48.1 49.4 48.5 T 360 19.4 23 020 M 7 674.7 AVG 40.1 43.5 41.6 T 360 14.5 30 360 M 5 684.8 18th AVG MONTHLY -41.6 PCPN TRACE NR DAYS CLEAR 07 HIGHEST -34.8 ON 1st SUNSHINE M PARTLY CLOUDY 15 LOWEST -49.4 ON 27th,28th CLOUDY 06 HIGH PRESSURE 697.8 ON 12th LOW PRESSURE 674.2 ON 28th NET CHANGE IN SNOWSTAKE FIELD: +0.80 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 -35.0 -34.8 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 40.3 40.1 Avg Wnd Spd Avg Press Min T Max Press Fastest Wnd MPH Avg T 41.9 41.6 Min Press Changes to Daily Data: Max Temp Day 1 5 6 7 8 9 10 11 12 13 From: 35.0 40.0 41.7 44.4 44.4 45.6 43.9 40.0 39.4 37.8 To: 34.8 39.8 41.4 44.2 44.2 44.8 43.6 39.8 39.2 37.5 Day 16 18 19 21 22 23 24 26 28 From: 39.4 36.1 40.0 37.8 37.8 37.8 42.8 45.6 48.3 To: 39.2 35.9 39.8 37.0 37.5 37.5 42.5 45.3 48.1 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 9 10 11 12 13 14 From: 37.2 36.7 38.3 39.4 41.1 43.3 45.6 46.1 45.0 42.2 41.7 39.4 38.9 To: 37.4 37.1 38.5 38.9 40.7 43.2 44.8 45.4 44.0 41.5 40.9 38.5 38.6 Day 15 16 17 18 19 20 22 23 24 25 26 27 28 From: 40.6 40.6 38.9 38.9 41.7 38.3 40.6 41.1 45.0 47.2 47.2 48.3 48.9 To: 41.4 40.1 38.1 38.1 40.9 37.4 39.5 40.2 44.4 46.9 47.0 47.8 48.5 Number of NCDC observations per day: 8