***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1963 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 26.1 30.6 28.1 T 360 13.1 16 360 M 8 683.7 02 24.2 28.9 25.6 .03 290 14.0 20 290 M 7 687.1 03 25.9 32.2 29.7 T 360 10.5 14 360 M 6 691.2 04 30.9 34.4 32.8 T 360 14.1 18 050 M 1 694.2 05 28.1 33.9 30.6 T 020 17.6 24 020 M 5 689.8 06 26.4 32.8 28.8 T 360 12.7 21 360 M 8 691.2 07 27.5 36.1 30.6 T 340 9.6 13 090 M 6 695.2 08 36.1 38.3 37.0 T 090 10.5 13 070 M 1 689.5 09 37.2 38.9 39.7 0 090 10.4 14 090 M 0 687.4 10 38.1 40.0 38.8 0 090 10.4 14 090 M 3 684.1 11 37.8 42.2 39.8 T 020 8.8 12 020 M 6 678.0 12 41.7 43.9 42.9 T 020 3.9 9 020 M 7 676.6 13 41.7 45.0 43.3 T 110 0.8 5 070 M 6 679.0 14 41.7 47.2 45.4 T 070 6.2 9 090 M 3 680.0 15 45.3 48.9 46.6 T 090 10.5 14 090 M 1 678.0 16 47.2 48.9 48.1 T 360 12.1 16 020 M 4 679.0 17 43.1 49.4 45.0 .01 360 14.4 17 360 M 8 681.3 18 44.4 47.8 46.1 .01 360 8.0 15 360 M 6 679.6 19 43.6 48.3 45.9 T 360 3.8 9 360 M 6 678.3 20 42.8 46.7 44.5 .02 360 2.4 6 360 M 8 680.3 21 42.2 47.8 43.9 T 050 3.8 13 090 M 7 682.4 22 45.9 51.1 48.2 T 090 8.9 16 090 M 4 683.7 23 49.7 52.2 50.6 T 090 13.4 18 090 M 2 681.7 24 46.4 51.1 49.4 T 070 16.0 23 020 M 2 678.6 25 46.7 52.2 49.7 T 050 14.7 22 020 M 2 676.3 26 50.3 53.9 52.4 T 050 10.0 14 020 M 2 676.6 27 45.3 51.7 47.7 T 360 14.3 22 360 M 3 678.3 28 42.8 50.6 47.0 T 360 21.9 26 360 M 6 674.2 BS AVG 39.3 43.8 41.4 T 360 10.6 26 360 M 5 682.7 28th AVG MONTHLY -41.4 PCPN 0.07 inches NR DAYS CLEAR 08 HIGHEST -24.2 ON 2nd SUNSHINE M PARTLY CLOUDY 13 LOWEST -53.9 ON 26th CLOUDY 07 HIGH PRESSURE 696.2 ON 7th LOW PRESSURE 673.9 ON 28th 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. 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 -24.4 -24.2 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 39.4 39.3 Avg Wnd Spd 10.7 10.6 Avg Press 682.8 682.7 Min T Max Press Fastest Wnd MPH Avg T 41.6 41.4 Min Press Changes to Daily Data: Max Temp Day 2 3 4 5 6 7 10 15 From: 24.4 26.1 31.1 28.3 26.7 27.8 38.3 45.6 To: 24.2 25.9 30.9 28.1 26.4 27.5 38.1 45.3 Day 17 19 22 23 24 26 27 From: 43.3 43.9 46.1 50.0 46.7 50.6 45.6 To: 43.1 43.6 45.9 49.7 46.4 50.3 45.3 Min Temp No Daily Changes Avg Temp Day 1 2 3 5 6 7 8 9 10 11 12 14 15 From: 28.3 26.7 29.4 31.1 30.0 32.2 37.2 38.3 39.4 40.0 42.8 44.4 47.2 To: 28.1 25.6 29.7 30.6 28.8 30.6 37.0 39.7 38.8 39.8 42.9 45.4 46.6 Day 16 17 19 20 21 22 23 24 25 26 27 28 From: 48.3 46.7 46.1 45.0 45.0 48.9 51.1 48.9 49.4 52.2 48.9 46.7 To: 48.1 45.0 45.9 44.5 43.9 48.2 50.6 49.4 49.7 52.4 47.7 47.0 Number of NCDC observations per day: 8