***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1960 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 31.7 34.4 32.9 T 050 13.9 20 050 M 2 686.8 02 28.7 33.3 31.2 T 050 13.2 16 020 M 7 686.8 03 29.2 32.2 30.2 T 020 12.3 16 360 M 7 689.3 IF 04 26.7 32.8 30.9 T 020 15.7 22 020 M 7 687.8 05 29.8 32.8 31.1 T 020 15.1 21 050 M 5 686.6 06 31.1 36.1 33.3 T 340 8.9 14 050 M 6 689.3 07 34.2 39.4 37.9 T 110 8.9 14 090 M 2 694.4 08 35.9 40.0 38.4 T 090 10.9 14 070 M 2 694.5 09 38.1 40.0 39.0 T 070 10.8 15 070 M 0 693.4 10 38.1 41.1 39.6 T 090 11.2 15 090 M 2 691.3 11 34.2 40.0 36.0 T 070 14.0 22 050 M 7 686.4 12 32.0 37.8 34.3 T 050 13.6 18 020 M 6 683.0 13 34.2 36.7 35.7 T 020 17.8 21 020 M 7 681.2 14 32.5 40.0 37.1 T 360 11.2 18 020 M 5 683.7 15 39.8 42.8 41.1 T 090 10.9 15 090 M 0 680.3 16 41.4 43.3 42.2 T 070 10.8 15 050 M 0 679.0 17 42.2 44.4 43.5 T 020 9.8 12 020 M 3 681.7 18 43.3 47.8 45.7 T 110 9.0 14 070 M 4 680.7 19 46.4 48.9 47.4 T 090 7.3 10 090 M 2 677.3 20 46.4 50.0 48.2 T 070 8.6 13 140 M 2 678.3 21 38.6 47.8 42.9 T 070 4.3 12 090 M 6 680.5 22 40.3 46.1 42.7 T 360 4.0 10 360 M 7 680.3 23 38.1 45.6 41.5 T 360 12.8 22 360 M 7 684.2 IFBS 24 36.4 40.0 37.9 0 360 19.6 24 360 M 8 684.1 IFBS 25 38.9 42.2 40.6 T 050 15.8 20 050 M 5 682.5 26 40.3 45.0 42.0 T 070 14.6 17 050 M 0 680.8 27 43.9 50.0 47.5 T 070 11.1 17 050 M 0 678.5 28 47.0 52.8 49.8 T 050 10.7 20 050 M 2 678.0 29 44.2 52.5 49.3 T 050 9.6 17 050 M 3 678.3 AVG 37.4 41.9 39.7 T 070 11.6 24 360 M 4 684.1 24th AVG MONTHLY -39.7 PCPN TRACE NR DAYS CLEAR 12 HIGHEST -26.7 ON 4th SUNSHINE M PARTLY CLOUDY 09 LOWEST -52.8 ON 28th CLOUDY 08 HIGH PRESSURE 694.9 ON 7th,8th LOW PRESSURE 673.9 ON 19th NET CHANGE IN SNOWSTAKE FIELD: M 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. All Daily STN Press taken from NCDC Data except as indicated below. Individual Data changed to reflect extremes from LCD and NCDC Data. All Sky Cover changed to Octas. 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 37.5 37.4 Avg Wnd Spd 11.7 11.6 Avg Press Min T Max Press Fastest Wnd MPH Avg T 39.8 39.7 Min Press Changes to Daily Data: Max Temp Day 2 3 5 8 9 10 11 12 13 14 15 From: 28.9 29.4 30.0 36.1 38.3 38.3 34.4 32.2 34.4 32.8 40.0 To: 28.7 29.2 29.8 35.9 38.1 38.1 34.2 32.0 34.2 32.5 39.8 Day 16 19 20 21 22 23 24 26 28 29 From: 41.7 46.7 46.7 38.9 40.6 38.3 36.7 40.6 47.2 44.5 To: 41.4 46.4 46.4 38.6 40.3 38.1 36.4 40.3 47.0 44.2 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 From: 33.1 31.1 30.8 29.7 31.4 33.6 36.9 38.1 39.2 39.7 37.2 35.0 35.6 36.4 To: 32.9 31.2 30.2 30.9 31.1 33.3 37.9 38.4 39.0 39.6 36.0 34.3 35.7 37.1 Day 15 16 17 18 19 20 21 22 23 24 26 27 28 29 From: 41.4 42.5 43.3 45.6 47.8 48.3 43.3 43.3 41.9 38.3 42.8 46.9 51.4 48.3 To: 41.1 42.2 43.5 45.7 47.4 48.2 42.9 42.7 41.5 37.9 42.0 47.5 49.8 49.3 Number of NCDC observations: 24