LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1959 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 43.3 46.7 45.0 T 050 13.1 19 050 24.0 2 679.2 02 44.8 47.8 46.3 T 050 11.9 15 050 24.0 2 682.7 03 43.3 46.1 45.1 T 070 15.0 19 070 24.0 1 684.3 04 41.7 45.6 43.6 T 070 13.6 23 070 24.0 0 685.8 05 33.1 45.6 37.6 T 070 15.9 27 070 23.9 5 674.6 06 35.6 43.6 40.1 T 050 14.3 24 050 23.9 0 673.6 07 43.1 49.4 45.9 T 110 7.0 11 050 24.0 5 673.3 08 48.3 50.6 49.2 T 360 5.2 9 020 23.9 6 667.7 09 47.0 49.4 48.0 T 020 8.2 11 070 23.9 4 669.5 10 42.0 47.8 45.0 T 050 11.5 15 050 23.9 2 668.0 11 42.0 43.3 42.2 T 050 13.6 19 050 24.0 7 669.3 12 39.2 43.3 41.3 T 050 12.2 18 050 24.0 8 672.8 13 39.2 43.3 40.3 T 050 11.7 19 050 24.0 4 671.4 14 41.4 43.9 42.4 T 050 9.8 16 050 23.9 1 670.8 15 43.1 44.4 43.9 T 140 8.3 14 140 24.0 0 672.8 16 42.5 44.4 43.2 0 140 9.2 14 140 24.0 0 674.5 17 39.8 43.9 42.1 0 110 5.7 9 110 23.9 5 678.9 18 36.4 40.6 38.3 0 140 8.0 14 140 24.0 6 678.0 19 36.7 39.4 38.3 0 110 9.3 14 070 24.0 5 676.1 20 38.1 39.4 38.5 0 050 6.1 10 050 24.0 2 677.9 21 37.0 38.3 37.5 0 140 7.8 12 140 24.0 1 676.9 22 37.0 38.6 37.7 T 050 11.5 16 050 24.0 0 671.9 23 38.6 39.4 38.9 T 050 10.0 13 020 24.0 0 674.9 24 38.1 39.8 38.9 T 020 10.8 14 020 23.9 7 679.0 25 35.3 38.3 36.2 T 020 11.3 15 020 23.7 7 679.4 26 35.3 37.0 36.2 T 050 11.3 13 050 24.0 6 680.0 27 34.8 36.1 35.6 T 020 11.5 13 050 24.0 4 682.7 28 34.2 35.6 34.8 T 070 7.6 10 070 24.0 2 685.7 29 34.8 36.1 35.1 0 090 7.1 12 090 23.8 0 682.1 30 33.1 35.6 34.1 T 070 10.0 12 020 23.6 0 680.1 AVG 39.3 42.4 40.7 050 11.9 27 070 23.9 3 676.5 5th AVG MONTHLY -40.7 PCPN TRACE NR DAYS CLEAR 16 HIGHEST -33.1 ON 5th,30th SUNSHINE 23.9/ 99% PARTLY CLOUDY 10 LOWEST -50.6 ON 8th CLOUDY 04 HIGH PRESSURE 686.8 ON 4th LOW PRESSURE 666.1 ON 8th NET CHANGE IN SNOWSTAKE FIELD: 9.99 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 data taken from NCDC data. No data on original LCD. 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 39.5 39.3 Avg Wnd Spd Avg Press 673.5 676.5 Min T Max Press 686.6 686.8 Fastest Wnd MPH Avg T 40.9 40.7 Min Press Changes to Daily Data: Max Temp Day 2 5 7 9 10 11 12 13 14 15 16 17 From: 45.0 33.3 43.3 47.2 42.2 42.2 39.4 39.4 41.7 43.3 42.8 40.0 To: 44.8 33.1 43.1 47.0 42.0 42.0 39.2 39.2 41.4 43.1 42.5 39.8 Day 18 20 21 22 23 24 25 26 27 28 29 30 From: 36.7 38.3 37.2 37.2 38.9 38.3 35.6 35.6 35.0 34.4 35.0 33.3 To: 36.4 38.1 37.0 37.0 38.6 38.1 35.3 35.3 34.8 34.2 34.8 33.1 Min Temp Day 6 22 24 26 From: 43.3 38.3 39.4 36.7 To: 43.6 38.6 39.8 37.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 46.1 45.4 44.1 42.1 36.5 42.9 48.6 48.8 47.2 42.7 42.3 39.9 41.8 43.1 43.4 To: 45.0 46.3 45.1 43.6 37.6 40.1 45.9 49.2 48.0 45.0 42.2 41.3 40.3 42.4 43.9 Day 16 17 18 19 20 21 22 23 24 25 26 27 29 30 From: 43.4 40.1 37.6 38.6 37.9 37.6 38.5 39.0 37.6 35.9 36.1 35.2 34.8 33.9 To: 43.2 42.1 38.3 38.3 38.5 37.5 37.7 38.9 38.9 36.2 36.2 35.6 35.1 34.1 Number of NCDC observations per day: 24