***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1967 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 32.0 33.9 32.2 0 090 10.9 13 020 24.0 0 690.8 02 29.8 32.2 30.6 0 040 9.7 12 030 24.0 1 693.1 03 27.5 30.6 28.6 0 020 10.0 15 020 18.0 3 691.3 04 28.1 31.7 30.2 0 120 4.0 7 340 14.0 3 694.0 IF 05 28.1 31.7 30.3 0 140 4.3 7 130 24.0 2 694.9 06 26.7 30.6 29.6 0 140 5.1 8 130 24.0 0 694.6 07 25.3 30.0 27.2 0 130 7.9 12 140 24.0 0 696.0 08 25.3 28.9 26.8 0 100 12.4 18 110 24.0 0 695.8 09 26.1 28.9 26.9 0 070 11.5 16 090 22.0 1 693.1 10 24.8 27.8 25.9 T 070 11.7 14 070 20.1 5 685.7 IF 11 25.0 30.0 27.5 T 050 6.2 12 050 24.0 5 680.5 IF 12 26.4 30.9 29.2 T 060 7.5 10 340 20.5 4 686.0 SG 13 28.9 31.1 30.5 0 060 4.9 8 100 20.0 1 682.3 14 24.2 30.3 26.8 T 280 6.1 9 290 18.0 6 683.3 IC,IF 15 23.1 26.7 24.2 T 300 11.7 15 340 16.0 8 684.7 SG,IF 16 24.2 26.1 25.0 T 010 12.1 14 010 4.0 8 684.6 SG,IF 17 23.9 26.4 25.6 T 030 13.0 16 020 10.0 7 684.0 18 26.4 27.5 26.8 0 040 10.2 13 040 21.5 1 682.6 IC 19 26.4 27.2 26.7 T 040 8.8 13 040 24.0 0 680.1 IC 20 25.3 29.4 27.1 T 010 6.6 10 010 13.0 5 681.2 21 27.5 29.4 28.5 T 020 9.5 13 020 14.0 2 684.3 22 27.8 28.9 28.4 0 040 6.4 9 030 19.0 0 684.9 23 25.3 28.1 27.0 T 030 4.3 9 010 6.0 6 689.2 24 25.3 27.2 26.1 T 360 7.9 14 360 12.0 8 694.0 25 25.6 30.0 28.8 T 100 6.9 12 100 16.0 2 692.0 26 25.3 30.0 26.9 T 030 10.5 14 020 24.0 4 687.8 IC 27 23.7 26.7 25.3 T 030 13.1 18 360 19.5 4 680.8 IC 28 23.9 26.7 25.5 T 360 11.5 17 360 18.5 6 690.2 IC 29 23.9 27.2 25.8 T 030 8.3 12 030 12.0 3 688.2 30 24.4 26.7 25.7 0 020 7.7 12 030 22.5 2 688.0 31 23.7 27.2 25.0 T 040 8.2 12 030 24.0 7 690.4 AVG 25.9 29.0 27.4 T 030 8.7 18 360 18.6 3 688.0 8th,27th AVG MONTHLY -27.4 PCPN TRACE NR DAYS CLEAR 14 HIGHEST -23.1 ON 15th SUNSHINE 576.6/ 78% PARTLY CLOUDY 12 LOWEST -33.9 ON 1st CLOUDY 05 HIGH PRESSURE 697.6 ON 7th LOW PRESSURE 679.0 ON 11th NET CHANGE IN SNOWSTAKE FIELD: M SNOWSTAKE DATA NOT AVAILABLE 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. Average wind speed taken from NCDC data. Data rounded to whole MPH on original LCD. All wind and pressure data taken from original LCD unless otherwise indicated. Changed Extremes: From To Max T -23.3 -23.1 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 26.1 25.9 Avg Wnd Spd 8.8 8.7 Avg Press Min T 28.8 29.0 Max Press 697.4 697.6 Fastest Wnd MPH Avg T 27.5 27.4 Min Press Changes to Daily Data: Max Temp Day 1 2 3 4 5 7 8 10 12 14 15 From: 32.2 30.0 27.8 28.3 28.3 26.1 25.6 25.0 0.0 24.4 23.3 To: 32.0 29.8 27.5 28.1 28.1 25.3 25.3 24.8 26.4 24.2 23.1 Day 16 18 19 20 21 23 24 26 27 31 From: 24.4 26.7 26.7 25.6 27.8 0.0 25.6 25.6 23.9 23.9 To: 24.2 26.4 26.4 25.3 27.5 25.3 25.3 25.3 23.7 23.7 Min Temp Day 12 14 17 18 23 From: 0.0 26.1 25.6 27.2 0.0 To: 30.9 30.3 26.4 27.5 28.1 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 12 13 14 15 From: 33.1 31.1 29.4 30.0 30.0 28.6 28.1 27.2 27.5 26.4 0.0 30.0 25.3 25.0 To: 32.2 30.6 28.6 30.2 30.3 29.6 27.2 26.8 26.9 25.9 29.2 30.5 26.8 24.2 Day 16 17 18 19 20 21 22 23 24 25 26 28 29 30 31 From: 25.3 24.7 26.9 26.9 27.5 28.6 28.3 0.0 26.4 27.8 27.8 25.3 25.6 25.6 25.6 To: 25.0 25.6 26.8 26.7 27.1 28.5 28.4 27.0 26.1 28.8 26.9 25.5 25.8 25.7 25.0 Number of NCDC observations per day: 8