***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1978 MONTH DECEMBER .... 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 31.0 36.1 34.9 T 010 6.5 13 360 18.3 4 680.5 IF,GLAZE 2 34.0 38.1 37.6 T 140 4.1 12 360 24.0 2 679.9 IF 3 35.0 38.9 36.8 T 100 6.7 9 120 24.0 5 678.8 IF 4 32.8 37.2 33.4 T 020 7.6 12 090 22.3 6 677.4 IF 5 30.7 34.9 32.1 T 020 7.9 10 020 20.2 6 682.7 IF 6 27.2 34.0 30.1 T 020 6.8 12 020 21.9 7 685.7 IF 7 26.4 32.0 28.2 T 020 7.6 13 020 18.1 6 688.2 8 26.4 30.0 29.0 T 030 13.4 16 020 19.3 3 690.2 IF,BS 9 27.8 29.7 28.5 T 060 10.9 17 030 24.0 0 691.7 BS 10 27.8 28.9 27.9 0 050 10.2 14 030 24.0 0 687.8 11 27.9 31.1 29.9 T 040 9.5 15 050 24.0 4 686.1 12 28.9 31.4 30.4 T 030 5.3 13 030 21.9 4 685.6 13 28.6 32.2 31.6 T 080 5.9 12 010 17.0 2 685.7 14 29.4 32.3 31.8 T 100 3.9 8 100 24.0 1 683.5 15 28.9 31.8 30.4 T 360 4.5 7 100 24.0 6 681.0 16 29.0 32.2 31.5 T 090 3.9 7 350 20.9 2 681.4 17 30.8 32.2 31.6 0 110 6.7 9 130 24.0 1 682.9 18 30.0 31.8 30.8 0 020 5.5 9 030 24.0 6 683.2 19 26.1 31.8 28.7 T 360 6.1 13 340 12.3 8 682.6 20 25.0 31.1 29.1 T 020 10.2 16 330 9.5 6 683.6 21 28.1 31.1 30.4 T 040 7.2 15 020 22.7 4 685.0 22 26.1 30.6 27.7 T 030 4.8 9 350 14.7 8 690.6 IF 23 26.0 27.8 27.1 T 040 7.2 13 350 4.0 6 692.6 IF 24 25.8 28.1 27.1 T 030 15.4 21 030 21.3 2 691.3 25 17.2 27.2 21.2 T 340 15.7 24 010 16.0 6 694.6 BS 26 13.9 21.1 14.5 T 360 18.1 25 340 2.1 8 702.7 BS 27 13.6 18.9 17.8 T 020 16.7 26 360 11.7 0 704.0 BS 28 16.0 19.0 17.9 T 010 16.4 33 010 21.4 5 700.5 BS 29 17.5 22.2 20.4 T 010 10.7 28 360 14.8 6 700.7 IF,BS 30 19.6 24.3 22.0 T 050 8.1 16 340 9.2 6 696.9 IF 31 19.9 23.6 20.3 T 360 14.2 20 030 20.1 6 693.9 IF,BS AVG 26.0 30.1 28.1 T 020 9.0 33 010 18.6 4 688.1 28th AVG MONTHLY -28.1 PCPN TRACE NR DAYS CLEAR 09 HIGHEST -13.6 ON 27th SUNSHINE 575.7/ 77% PARTLY CLOUDY 18 LOWEST -38.9 ON 3rd CLOUDY 04 HIGH PRESSURE 705.7 ON 27th LOW PRESSURE 676.6 ON 4th NET CHANGE IN SNOWSTAKE FIELD: -0.06 inches 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 26.4 26.0 Avg Wnd Spd 8.8 9.0 Avg Press 687.8 688.1 Min T 29.8 30.1 Max Press Fastest Wnd MPH Avg T 28.1 28.1 Min Press 676.4 676.6 Changes to Daily Data: Max Temp Day 3 4 6 9 10 12 15 18 19 25 26 From: 36.4 33.0 29.3 28.3 27.9 29.0 29.8 30.1 29.4 20.2 14.4 To: 35.0 32.8 27.2 27.8 27.8 28.9 28.9 30.0 26.1 17.2 13.9 Min Temp Day 1 8 10 11 13 16 17 20 21 27 29 From: 34.9 29.9 28.8 29.8 31.6 31.8 32.1 29.7 30.9 18.1 20.2 To: 36.1 30.0 28.9 31.1 32.2 32.2 32.2 31.1 31.1 18.9 22.2 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 33.0 36.0 37.7 35.1 32.8 31.6 29.2 28.1 29.0 28.4 28.9 30.2 30.1 30.9 30.8 30.4 To: 34.9 37.6 36.8 33.4 32.1 30.1 28.2 29.0 28.5 27.9 29.9 30.4 31.6 31.8 30.4 31.5 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 31.4 31.0 30.6 27.4 29.5 28.4 26.9 27.0 23.7 17.8 15.9 17.5 18.9 22.0 21.8 To: 31.6 30.8 28.7 29.1 30.4 27.7 27.1 27.1 21.2 14.5 17.8 17.9 20.4 22.0 20.3 Number of NCDC observations per day: 8