***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1972 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 33.9 35.6 34.9 0 100 7.0 11 060 24.0 0 687.5 2 31.1 35.0 32.2 T 020 11.3 14 030 23.5 5 688.5 IC,IF 3 30.3 32.2 31.4 T 020 9.0 15 030 21.5 4 686.6 IC,IF 4 29.4 31.7 30.2 T 030 13.3 16 030 16.5 7 683.4 IC,IF 5 29.4 31.1 30.2 T 030 6.5 15 030 22.5 6 683.8 IC,IF 6 28.9 33.9 32.8 T 330 2.3 9 010 20.0 3 686.4 IC,IF 7 26.7 33.9 28.7 T 020 11.6 16 010 13.5 8 687.7 IC,IF 8 26.7 29.2 28.4 T 360 10.3 15 010 17.0 5 689.0 IC,IF,SG 9 26.4 30.0 27.5 T 010 10.0 14 010 16.5 6 688.1 IC,SG 10 26.1 30.0 28.2 T 010 7.9 15 010 19.0 4 687.9 IC,IF,SG 11 27.8 30.0 29.7 T 010 6.2 9 330 24.0 5 690.3 IC 12 27.8 30.0 28.9 T 020 4.7 8 010 23.5 7 691.0 IC 13 27.8 30.6 28.8 T 110 3.7 7 090 24.0 6 688.6 IC 14 28.3 30.9 30.0 T 120 4.8 8 120 24.0 2 685.4 IC,IF 15 30.0 31.7 30.9 0 060 5.5 7 050 24.0 4 685.1 16 30.0 31.1 30.6 0 100 3.3 7 050 24.0 6 688.2 17 30.0 31.7 30.7 0 100 5.8 9 130 24.0 1 688.4 18 28.1 31.7 29.9 0 010 10.1 14 010 24.0 2 692.5 19 22.0 30.6 24.6 0 320 11.7 16 300 16.5 8 699.7 20 20.6 25.3 23.1 T 320 8.2 16 320 5.0 6 699.5 SG 21 23.3 26.1 25.1 T 040 10.0 14 070 24.0 1 697.0 SG 22 23.1 25.0 24.1 T 030 5.1 12 030 12.0 6 696.3 IC,IF 23 23.3 25.6 24.7 0 060 9.7 13 110 12.0 3 693.1 24 25.0 26.7 26.0 0 030 5.5 13 030 24.0 2 693.7 25 24.2 27.2 25.9 0 020 4.9 9 020 24.0 1 693.2 26 23.9 26.7 25.7 T 360 9.3 12 010 17.0 6 691.0 SG 27 24.8 28.1 26.5 T 360 7.6 13 330 12.0 5 686.4 IC,IF 28 26.1 28.9 28.4 T 140 4.4 9 360 20.0 3 683.1 IC 29 26.7 30.6 29.8 T 330 3.9 7 320 17.0 4 684.5 SG 30 27.0 31.7 30.4 T 290 5.3 9 240 24.0 2 686.6 IC,SG 31 23.9 31.1 25.4 T 030 9.5 15 330 12.0 8 690.7 SG AVG 26.9 30.1 28.5 T 020 7.4 16 320 19.5 4 689.2 4th,7th,19th,20th AVG MONTHLY -28.5 PCPN TRACE NR DAYS CLEAR 21 HIGHEST -20.6 ON 20th SUNSHINE 605.0/81.3% PARTLY CLOUDY 10 LOWEST -35.6 ON 1st CLOUDY 00 HIGH PRESSURE 701.0 ON 20th LOW PRESSURE 682.4 ON 28th NET CHANGE IN SNOWSTAKE FIELD: 9.99 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 27.4 26.9 Avg Wnd Spd 7.6 7.4 Avg Press 689.2 689.4 Min T 29.9 30.1 Max Press Fastest Wnd MPH Avg T 28.7 28.5 Min Press Changes to Daily Data: Max Temp Day 2 3 5 7 9 12 18 19 22 25 27 30 31 From: 31.7 31.1 30.0 28.9 27.2 28.3 30.0 25.0 23.3 25.0 25.0 29.4 26.1 To: 31.1 30.3 29.4 26.7 26.4 27.8 28.1 22.0 23.1 24.2 24.8 27.0 23.9 Min Temp Day 5 8 10 14 20 23 27 From: 30.6 28.9 28.3 30.6 24.4 25.0 26.7 To: 31.1 29.2 30.0 30.9 25.3 25.6 28.1 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 34.7 33.3 31.7 30.6 30.3 31.4 31.4 27.8 28.6 27.2 28.9 29.2 29.2 29.4 30.8 To: 34.9 32.2 31.4 30.2 30.2 32.8 28.7 28.4 27.5 28.2 29.7 28.9 28.8 30.0 30.9 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 30.8 30.8 27.8 22.5 24.7 24.2 24.2 25.8 26.1 25.3 25.8 27.5 28.6 30.6 28.6 To: 30.7 29.9 24.6 23.1 25.1 24.1 24.8 26.0 25.9 25.7 26.5 28.4 29.8 30.4 25.4 Number of NCDC observations per day: 8