***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1964 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 46.4 49.4 48.1 0 090 7.7 12 060 M 3 671.7 02 48.3 50.6 49.3 0 070 8.2 13 050 M 1 672.5 03 45.9 49.4 47.9 0 070 10.4 15 050 M 3 672.4 04 42.0 46.7 43.6 0 050 15.3 20 040 M 3 672.6 05 41.4 42.8 41.9 0 020 14.2 18 040 M 2 679.3 06 41.1 45.6 43.0 0 050 11.6 16 030 M 3 688.0 07 40.0 43.3 41.8 0 070 9.1 17 050 M 4 691.2 08 38.6 42.8 40.7 0 050 13.1 21 030 M 0 694.2 09 38.1 39.4 38.8 0 020 19.7 28 030 M 0 697.2 10 38.3 40.0 38.8 0 020 18.8 25 020 M 0 697.3 11 38.1 41.1 39.3 0 050 11.4 24 030 M 0 693.2 12 39.4 41.7 40.5 0 070 4.8 8 050 M 2 695.3 13 37.5 40.6 38.8 0 090 10.1 16 100 24.0 1 691.3 14 37.8 41.1 39.9 0 050 9.5 14 060 24.0 1 688.1 15 35.3 40.0 36.6 0 020 16.5 24 030 24.0 1 689.3 16 34.2 37.2 35.5 0 020 15.4 23 030 23.5 2 691.4 17 36.7 39.4 38.9 T 360 9.5 15 010 23.5 5 694.1 18 37.5 40.0 38.7 0 050 3.5 9 100 23.0 2 690.7 19 37.8 40.0 38.7 0 110 7.7 12 110 24.0 2 685.8 20 36.4 39.4 37.8 0 110 11.8 22 110 24.0 1 685.8 21 33.3 36.7 34.4 T 070 9.5 16 090 19.1 5 686.3 22 31.4 35.6 33.1 T 020 13.3 20 030 23.5 2 688.7 23 30.9 33.3 32.0 T 050 12.2 20 050 23.4 6 686.3 24 30.9 32.8 31.7 T 020 14.1 21 030 23.5 8 684.7 25 30.6 35.9 32.8 T 360 11.8 21 020 23.5 6 685.6 26 36.1 38.3 37.4 0 360 6.3 13 010 24.0 2 691.2 27 35.3 38.3 36.9 0 110 9.5 17 110 24.0 1 688.8 28 32.8 35.6 33.2 0 090 11.5 18 080 24.0 1 682.3 29 31.4 33.3 32.2 T 070 13.5 21 010 22.3 2 684.1 30 28.8 32.8 30.9 T 070 15.4 21 030 23.4 4 688.8 AVG 37.1 40.1 38.4 020 11.5 28 030 23.4 2 686.9 9th AVG MONTHLY -38.4 PCPN TRACE NR DAYS CLEAR 19 HIGHEST -28.8 ON 30th SUNSHINE 420.7/ 97% PARTLY CLOUDY 10 LOWEST -50.6 ON 2nd CLOUDY 01 HIGH PRESSURE 698.3 ON 10th LOW PRESSURE 671.2 ON 1st,3rd,4th NET CHANGE IN SNOWSTAKE FIELD: +/-0.00 inches 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. Station Pressure data taken from NCDC data for days 1-12. No data on original LCD. Sunshine data for days 1-12 missing. All wind and pressure data taken from original LCD unless otherwise indicated. Prevailing wind direction converted from cardinal direction to degrees. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 37.2 37.1 Avg Wnd Spd Avg Press 687.0 686.9 Min T Max Press Fastest Wnd MPH Avg T 38.7 38.4 Min Press Changes to Daily Data: Max Temp Day 1 3 4 5 8 9 11 13 From: 46.7 46.1 42.2 41.7 38.9 38.3 38.3 37.8 To: 46.4 45.9 42.0 41.4 38.6 38.1 38.1 37.5 Day 15 16 18 20 22 23 24 27 29 From: 35.6 34.4 37.8 36.7 31.7 31.1 31.1 35.6 31.7 To: 35.3 34.2 37.5 36.4 31.4 30.9 30..9 35.3 31.4 Min Temp Day 25 From: 35.6 To: 35.9 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 48.3 49.4 47.8 44.4 42.2 43.3 41.7 40.6 38.9 38.9 39.4 40.6 38.9 39.4 37.8 To: 48.1 49.3 47.9 43.6 41.9 43.0 41.7 40.7 38.8 38.8 39.3 40.5 38.8 39.9 36.6 Day 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 36.1 38.3 38.9 38.9 38.3 35.0 33.9 32.2 32.2 33.3 37.2 37.2 34.4 32.8 31.1 To: 35.5 38.9 38.7 38.7 37.8 34.4 33.1 32.0 31.7 32.8 37.4 36.9 33.2 32.2 30.9 Avg Press Day 26 27 From: 688.7 690.9 To: 691.2 688.8 Number of NCDC observations per day: 8