***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1981 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 52.3 54.9 53.7 T 060 5.6 12 020 24.0 5 665.7 2 49.0 54.4 50.7 T 030 11.1 15 030 23.9 6 665.8 3 48.0 51.6 49.0 T 040 10.2 18 030 11.5 4 664.2 4 47.5 52.0 50.2 T 020 5.9 16 030 24.0 4 665.7 5 43.9 52.2 45.2 T 360 13.3 23 350 21.9 8 670.3 6 44.0 48.0 46.1 T 010 15.8 27 360 15.9 4 671.4 7 45.1 48.5 47.8 T 030 10.7 25 010 24.0 3 675.7 8 44.4 48.6 45.9 T 030 12.3 20 040 24.0 3 679.1 9 43.7 51.0 45.5 T 020 13.7 21 020 23.4 7 679.5 10 42.0 44.7 43.6 T 020 16.4 22 010 23.9 6 683.1 11 29.0 44.0 32.4 T 010 19.8 36 010 17.2 7 681.7 12 28.3 37.5 33.8 T 020 16.3 33 010 14.6 6 678.6 13 29.7 38.5 36.8 T 340 6.9 30 020 12.2 6 679.8 14 33.3 43.0 39.6 T 340 3.1 12 310 18.0 5 678.1 15 35.4 43.9 43.3 T 130 7.1 10 130 24.0 0 672.2 16 43.0 44.2 43.4 T 120 7.7 14 120 24.0 0 672.5 17 42.9 44.0 43.1 0 120 6.0 14 120 24.0 2 678.2 18 42.0 43.6 42.9 0 120 5.5 10 130 24.0 1 676.8 19 41.6 44.0 43.4 0 080 6.5 15 120 24.0 0 672.8 20 42.6 44.0 43.2 0 040 5.8 10 040 24.0 0 676.9 21 42.6 44.0 43.2 0 060 4.6 7 050 24.0 0 679.7 22 39.0 43.8 40.6 0 010 10.5 16 010 24.0 8 678.9 23 36.0 40.9 37.2 T 010 19.2 27 360 24.0 6 680.5 24 35.0 37.4 36.0 T 360 16.2 25 010 23.1 6 684.3 25 32.8 36.2 35.0 T 360 11.8 22 360 21.7 5 686.9 26 33.5 35.8 34.0 T 010 18.2 28 010 24.0 2 685.2 27 32.9 35.0 34.1 T 010 15.5 27 010 24.0 2 683.3 28 33.6 36.0 34.7 T 030 7.2 21 010 24.0 0 684.5 29 34.3 36.0 35.7 T 050 4.5 13 020 24.0 2 684.5 30 35.0 36.7 36.0 0 020 4.9 7 030 24.0 1 683.2 AVG 39.4 43.8 41.5 T 010 10.4 36 010 22.0 4 677.3 11th AVG MONTHLY -41.5 PCPN TRACE NR DAYS CLEAR 12 HIGHEST -28.3 ON 12th SUNSHINE 659.3/ 92% PARTLY CLOUDY 14 LOWEST -54.9 ON 1st CLOUDY 04 HIGH PRESSURE 686.3 ON 26th LOW PRESSURE 663.8 ON 4th NET CHANGE IN SNOWSTAKE FIELD: M 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 39.9 39.4 Avg Wnd Spd 10.2 10.4 Avg Press 676.9 677.3 Min T 43.3 43.8 Max Press Fastest Wnd MPH Avg T 41.6 41.6 Min Press Changes to Daily Data: Max Temp Day 2 3 5 8 10 11 16 18 22 23 24 From: 52.7 48.9 45.0 46.2 43.3 31.3 43.2 42.7 40.6 37.4 35.8 To: 49.0 48.0 43.9 44.4 42.0 29.0 43.0 42.0 39.0 36.0 35.0 Min Temp Day 4 6 9 14 15 17 19 21 27 28 29 30 From: 51.8 45.4 46.5 38.9 43.6 43.8 43.5 43.9 34.0 35.0 35.8 36.1 To: 52.0 48.0 51.0 43.0 43.9 44.0 44.0 44.0 35.0 36.0 36.0 36.7 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 53.6 53.6 50.3 49.7 48.6 44.7 46.8 47.4 45.1 44.0 37.7 32.9 34.1 36.1 39.5 43.7 To: 53.7 50.7 49.0 50.2 45.2 46.1 47.8 45.9 45.5 43.6 32.4 33.8 36.8 39.6 43.3 43.4 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 43.4 43.2 42.5 43.3 43.3 42.2 39.2 36.6 34.5 34.7 33.5 34.3 35.0 35.5 To: 43.1 42.9 43.4 43.2 43.2 40.6 37.2 36.0 35.0 34.0 34.1 34.7 35.7 36.0 Number of NCDC observations per day: day 1 - day 4: 4 day 5: 5 day 6: 8 day 7: 6 day 8: 5 day 9: 7 day 10 - day 11: 6 day 12 -day 30: 8