LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1962 MONTH DECEMBER ....... 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 32.5 33.9 33.0 0 160 2.3 8 110 99.9 0 681.3 02 32.5 33.9 33.2 T 340 6.5 12 340 99.9 4 682.1 03 28.7 32.8 30.7 T 360 6.9 9 360 99.9 8 681.3 04 28.9 31.7 31.0 T 050 10.1 13 050 99.9 1 678.8 05 30.9 32.8 31.7 T 360 10.3 15 360 99.9 2 677.9 06 32.0 35.6 33.7 0 070 5.7 8 360 99.9 2 679.4 07 29.8 35.6 31.1 0 090 7.3 10 070 99.9 2 682.4 08 29.8 31.1 30.4 T 020 10.8 14 020 99.9 1 685.4 09 28.1 32.8 30.1 T 320 12.5 17 320 99.9 6 685.6 10 27.8 30.6 29.8 T 340 12.3 16 340 99.9 6 688.1 11 27.5 30.6 28.7 T 340 12.0 16 340 99.9 8 686.8 12 27.5 30.0 28.5 T 360 9.0 14 320 99.9 6 684.7 13 27.2 30.6 29.3 T 020 4.2 7 140 99.9 3 684.9 14 28.3 30.6 29.6 T 180 4.1 7 230 99.9 6 686.7 15 27.0 31.7 29.3 T 340 8.6 15 360 99.9 6 687.7 16 26.4 31.1 28.7 T 340 5.7 13 340 99.9 7 685.6 17 29.8 31.7 30.7 0 090 5.9 8 020 99.9 1 683.6 18 30.0 32.2 31.2 0 090 5.1 8 360 99.9 3 683.2 19 29.2 31.7 30.0 T 110 3.8 8 360 99.9 5 684.1 20 30.0 31.7 31.1 T 110 6.3 9 110 99.9 1 685.1 21 29.2 31.7 30.0 0 090 9.5 12 090 99.9 0 686.7 22 28.1 29.4 28.8 0 070 9.1 10 050 99.9 1 688.0 23 27.5 28.9 27.9 0 020 11.3 14 020 99.9 2 687.0 24 27.5 28.9 28.2 0 050 7.4 9 020 99.9 0 681.9 25 26.7 28.3 27.2 T 020 7.1 8 020 99.9 3 680.2 26 26.7 30.0 28.4 T 360 6.6 10 360 99.9 5 679.4 27 29.2 30.6 29.8 T 360 8.9 12 360 99.9 3 680.2 28 29.8 31.7 30.7 T 090 4.8 9 020 99.9 1 680.7 29 29.2 31.1 29.8 0 090 7.3 12 110 99.9 0 684.0 30 26.4 30.0 28.0 T 090 11.4 16 360 99.9 3 684.6 31 26.7 29.4 28.3 T 360 7.5 13 340 99.9 6 689.8 AVG 28.7 31.4 30.0 090 7.8 17 320 99.9 3 683.8 9th AVG MONTHLY -30.0 PCPN TRACE NR DAYS CLEAR 14 HIGHEST -26.4 ON 16th SUNSHINE / % PARTLY CLOUDY 14 LOWEST -35.6 ON 6th,7th CLOUDY 03 HIGH PRESSURE 691.5 ON 31st LOW PRESSURE 677.1 ON 5th NET CHANGE IN SNOWSTAKE FIELD: +0.10 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 -26.7 -26.4 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 28.9 28.7 Avg Wnd Spd Avg Press Min T Max Press Fastest Wnd MPH Avg T 30.2 30.0 Min Press Changes to Daily Data: Max Temp Day 1 2 3 5 6 7 8 9 11 12 15 From: 32.8 32.8 28.9 31.1 32.2 30.0 30.0 28.3 27.8 27.8 27.2 To: 32.5 32.5 28.7 30.9 32.0 29.8 29.8 28.1 27.5 27.5 27.0 Day 16 17 19 21 22 23 24 27 28 29 30 From: 26.7 30.0 29.4 29.4 28.3 27.8 27.8 29.4 30.0 29.4 26.7 To: 26.4 29.8 29.2 29.2 28.1 27.5 27.5 29.2 29.8 29.2 26.4 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 33.3 33.3 31.1 30.6 32.2 33.9 32.8 30.6 30.6 29.4 29.4 28.9 28.9 29.4 29.4 To: 33.0 33.2 30.7 31.0 31.7 33.7 31.1 30.4 30.1 29.8 28.7 28.5 30.6 29.6 29.3 Day 16 17 18 19 21 22 23 24 25 26 27 28 29 30 From: 28.9 31.1 31.1 30.6 30.6 28.9 28.3 28.3 27.8 28.3 30.0 31.1 30.6 28.3 To: 28.7 30.7 31.2 30.0 30.0 28.8 27.9 28.2 27.2 28.4 29.8 30.7 29.8 28.0 Number of NCDC observations per day: 8