***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1977 MONTH NOVEMBER .... ALL TEMPERATURES MINUS C.... DAY TEMPERATURE C PCPN AVG WIND FASTEST SUN SKY STN WX MAX MIN AVG SPEED MILE SHINE COVER PRESS DIR MPH SPD DIR HRS 1 42.2 47.8 45.9 T 080 4.2 7 080 16.6 6 677.9 2 43.9 48.3 47.3 T 070 6.1 7 070 17.9 3 672.4 3 47.2 49.9 48.5 T 070 6.5 9 070 23.1 1 671.9 4 48.3 50.0 49.1 T 090 6.5 9 080 24.0 1 671.3 5 46.7 50.6 47.7 T 360 7.8 11 080 24.0 2 669.1 6 43.3 48.9 44.4 T 010 12.1 14 010 24.0 2 671.8 7 42.2 45.0 43.0 T 020 14.7 16 010 22.9 2 667.2 BS 8 42.2 43.9 42.5 T 030 11.1 15 010 21.7 2 664.0 BS 9 41.7 43.9 42.9 T 030 11.5 14 030 23.8 4 666.4 BS 10 41.6 44.4 42.9 T 030 14.4 17 020 22.7 5 669.3 11 39.4 43.3 41.0 T 360 17.5 24 360 17.3 8 670.2 BS 12 37.2 41.7 38.7 T 340 13.1 20 010 13.3 8 677.7 BS 13 36.6 40.0 37.4 T 360 11.9 15 340 3.7 8 680.8 BS 14 35.0 38.3 35.3 T 340 13.6 19 340 0.0 8 678.2 15 33.9 39.4 37.8 T 360 10.8 19 350 7.5 7 678.7 BS 16 37.7 40.0 38.6 T 010 16.4 20 010 16.4 7 678.9 17 37.2 39.4 38.7 T 010 18.8 24 010 12.7 8 679.6 BS 18 36.6 39.4 37.3 T 360 11.9 24 010 16.6 8 681.8 BS 19 35.0 38.3 36.9 T 360 8.2 17 350 5.8 8 684.7 BS 20 36.1 38.9 37.5 T 360 10.7 14 010 20.2 7 683.9 21 35.6 39.4 38.2 T 350 8.6 14 340 16.8 6 687.0 22 37.2 40.0 38.3 T 020 11.5 17 010 18.4 2 687.2 23 33.9 39.4 35.1 T 010 17.9 24 020 14.8 8 683.0 24 32.2 35.0 33.0 T 350 15.3 23 360 0.8 8 683.2 25 32.2 35.6 34.7 T 360 13.1 19 350 9.2 8 682.7 26 33.9 38.3 36.7 T 020 8.6 18 360 16.7 4 678.2 27 35.6 38.3 37.5 T 120 12.2 15 020 23.6 0 674.8 28 35.6 37.8 36.2 0 130 11.7 17 120 24.0 1 674.2 29 35.5 36.7 35.9 0 110 9.5 17 120 24.0 1 676.7 30 35.0 36.7 36.0 0 030 8.8 12 080 24.0 0 682.4 AVG 38.4 41.6 39.8 T 360 11.5 24 360 16.9 5 676.8 11th,17th,18th,23rd AVG MONTHLY -39.8 PCPN TRACE NR DAYS CLEAR 11 HIGHEST -32.2 ON 24th,25th SUNSHINE 506.5/ 70% PARTLY CLOUDY 06 LOWEST -50.6 ON 5th CLOUDY 13 HIGH PRESSURE 688.8 ON 2nd LOW PRESSURE 663.1 ON 8th 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 Average Sky Cover changed to reflect data from 00Z through 00Z daily. All Sky Cover changed to Octas. Peak wind speed, peak wind direction, precipitation, sunshine amount, and present wx reported in NZST. Insufficient data to convert these values to UTC. All temperature, wind, and pressure data taken from NCDC data. LCD data originally reported in NZST. Changed Extremes: From To Max T Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 38.7 38.4 Avg Wnd Spd 11.5 11.5 Avg Press 676.6 676.8 Min T 41.5 41.6 Max Press Fastest Wnd MPH Avg T 40.1 39.8 Min Press Changes to Daily Data: Max Temp Day 5 6 10 11 12 13 16 18 20 23 28 29 30 From: 47.2 44.4 42.2 40.6 38.9 36.7 37.8 37.2 36.7 35.6 36.1 35.6 35.6 To: 46.7 43.3 41.6 39.4 37.2 36.6 37.7 36.6 36.1 33.9 35.6 35.5 35.0 Min Temp Day 3 15 19 26 From: 48.9 38.9 37.2 37.2 To: 49.9 39.4 38.3 38.3 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 45.0 46.1 48.1 49.2 48.9 46.7 43.6 43.1 42.8 43.3 41.9 40.3 38.3 36.7 36.4 38.9 To: 45.9 47.3 48.5 49.1 47.7 44.4 43.0 42.5 42.9 42.9 41.0 38.7 37.4 35.3 37.8 38.6 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 38.3 38.3 36.1 37.8 37.5 38.6 37.5 33.6 33.9 35.6 36.9 36.9 36.1 36.1 To: 38.7 37.3 36.9 37.5 38.2 38.3 35.1 33.0 34.7 36.7 37.5 36.2 35.9 36.0 Number of NCDC observations per day: 8