***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1967 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 25.6 28.9 26.4 T 050 5.8 9 040 99.9 8 694.1 IF 02 26.7 32.8 29.8 0 090 11.3 14 090 99.9 5 694.1 03 31.4 33.9 32.6 0 100 11.7 15 110 99.9 2 691.5 04 31.7 36.7 34.1 0 110 12.3 15 110 99.9 0 689.8 05 35.9 38.3 36.8 0 100 10.0 13 090 99.9 1 693.6 06 31.1 38.9 34.9 T 080 4.2 9 100 99.9 5 695.4 07 30.9 38.3 35.6 T 100 12.0 16 110 99.9 1 693.6 08 36.7 39.4 38.1 0 100 13.1 16 110 99.9 0 693.4 09 37.2 40.6 39.4 0 110 11.8 15 110 99.9 0 693.7 10 40.0 42.2 41.1 0 120 10.7 16 120 99.9 0 691.6 11 40.9 42.8 41.5 0 110 16.2 21 110 99.9 0 689.4 12 41.7 43.9 42.4 0 110 8.6 15 120 99.9 0 688.8 13 37.0 43.9 40.6 T 110 8.4 15 110 99.9 4 690.5 14 42.2 43.9 42.6 0 100 9.1 15 110 99.9 0 694.0 15 40.9 43.3 42.0 0 080 11.7 15 080 99.9 0 694.0 16 40.9 42.2 41.3 0 080 12.8 15 070 99.9 0 691.6 17 41.1 45.0 43.1 0 070 12.3 15 070 99.9 1 692.7 18 44.4 47.2 45.7 0 050 10.2 13 040 99.9 2 696.7 19 45.0 47.8 46.2 0 040 9.4 12 050 99.9 7 696.7 20 44.2 47.2 45.6 T 090 11.1 14 100 99.9 2 691.8 IF IC 21 45.6 48.3 46.9 0 100 11.5 14 090 99.9 0 687.2 22 44.2 50.0 46.2 0 050 11.0 16 050 99.9 2 688.9 23 30.3 44.4 36.0 T 010 15.2 17 020 99.9 8 691.2 IF BS 24 29.4 35.0 33.0 T 020 15.5 21 360 99.9 8 693.1 BS 25 35.0 44.4 41.7 T 060 11.0 15 040 99.9 4 693.9 BS 26 38.9 45.6 42.4 0 050 13.9 16 040 99.9 5 693.9 BS 27 41.7 47.2 45.6 0 050 14.9 17 090 99.9 0 692.7 BS 28 46.7 51.1 49.0 0 090 14.3 17 090 99.9 0 689.3 AVG 37.8 42.3 40.0 100 11.4 21 360 99.9 2 692.4 11th, 24th AVG MONTHLY -40.0 PCPN TRACE NR DAYS CLEAR 19 HIGHEST -25.6 ON 1st SUNSHINE 0.0/000% PARTLY CLOUDY 05 LOWEST -51.1 ON 28th CLOUDY 04 HIGH PRESSURE 697.6 ON 19th LOW PRESSURE 686.4 ON 21th NET CHANGE IN SNOWSTAKE FIELD: -0.09 inches SUNSHINE 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. All wind and pressure data taken from original LCD unless otherwise indicated. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T Avg Wnd Spd Avg Press Min T Max Press 697.4 697.6 Fastest Wnd MPH Avg T Min Press Changes to Daily Data: Max Temp Day 3 5 7 11 13 15 16 20 22 23 From: 31.7 36.1 31.1 41.1 37.2 41.1 41.1 44.4 44.4 30.6 To: 31.4 35.9 30.9 40.9 37.0 40.9 40.9 44.2 44.2 60.3 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 9 11 12 14 From: 27.2 29.7 32.8 34.2 37.2 35.0 34.7 38.9 41.9 42.8 43.1 To: 26.4 29.8 32.6 34.1 36.8 34.9 35.6 39.4 41.5 42.4 42.6 Day 15 16 18 19 20 22 23 24 25 26 27 28 From: 42.2 41.7 45.8 46.4 45.8 47.2 37.5 32.2 39.7 42.2 44.4 48.9 To: 42.0 41.3 45.7 46.2 45.6 46.2 36.0 33.0 41.7 42.4 45.6 49.0 Avg Press Day 20 From: 690.3 To: 691.8 Number of NCDC observations per day: 8