***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1972 MONTH JANUARY .... 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 23.1 27.8 24.2 0 360 8.5 18 030 2.1 8 690.6 IF 2 23.3 25.3 24.8 T 330 6.6 21 030 1.4 7 694.2 IF,SG 3 23.3 27.8 25.1 T 100 7.6 21 090 17.4 6 691.0 IF,IC,SG 4 23.7 25.6 24.4 T 060 6.4 15 040 10.2 8 689.5 IF,SG 5 23.3 25.6 24.8 T 010 10.5 17 360 21.4 5 690.5 IF,IC,SG 6 24.8 26.1 25.2 0 020 10.2 20 030 24.0 1 690.7 7 24.2 26.1 25.0 0 030 10.2 20 300 21.3 1 690.0 8 24.2 25.6 24.7 0 050 9.2 20 030 24.0 0 688.4 9 23.7 25.0 24.3 T 040 11.0 21 010 18.2 6 689.1 SG 10 23.9 26.1 25.4 T 030 6.2 23 350 18.5 4 691.2 IC 11 24.8 25.6 25.2 0 100 7.5 14 030 24.0 1 693.4 12 25.0 26.1 25.6 0 050 8.3 15 060 24.0 0 694.4 13 25.0 26.7 26.1 0 100 11.5 18 030 24.0 4 692.7 14 25.0 26.7 25.9 T 030 12.2 27 010 9.3 3 693.4 IF,SG 15 25.9 27.2 26.3 0 020 7.9 20 030 24.0 0 692.0 16 26.1 30.6 27.0 T 040 6.2 14 040 10.5 5 690.4 IF,IC 17 26.4 27.8 27.0 T 100 8.3 18 050 13.2 2 689.9 IF,IC 18 26.7 29.2 28.0 T 100 6.5 20 360 19.5 2 694.6 IF,SG 19 26.4 29.4 27.5 T 050 9.3 21 050 21.5 3 697.3 IC 20 22.6 28.9 24.5 T 040 14.7 30 360 11.3 5 696.9 IF,SG 21 23.3 26.7 25.0 T 020 16.7 30 020 19.5 5 694.6 SG 22 22.6 26.7 24.5 T 010 19.9 38 360 7.8 7 695.1 IF,IC,SG 23 22.7 28.3 25.7 T 360 14.4 38 350 7.7 8 695.3 IF,IC,SG 24 22.6 30.3 27.5 T 010 11.3 29 360 5.0 7 692.9 IF,IC,SG 25 22.7 31.1 25.8 T 360 14.3 26 360 7.8 7 694.5 IF,IC,SG 26 24.4 29.4 28.6 T 020 14.8 29 010 19.9 2 696.7 IF,IC 27 27.0 28.9 27.7 T 040 17.1 29 040 24.0 0 696.7 IC 28 27.2 30.3 29.2 T 040 12.3 32 040 20.7 4 699.6 IF,IC 29 27.0 31.7 29.1 T 020 6.5 17 020 8.0 7 702.0 IF,IC 30 26.7 32.2 31.1 T 120 12.8 21 120 14.3 0 697.2 IF,IC 31 30.6 33.7 32.9 0 070 10.4 20 070 24.0 0 691.9 AVG 24.8 28.0 26.4 T 040 10.6 38 350 16.1 4 693.4 22nd,23rd AVG MONTHLY -26.4 PCPN TRACE NR DAYS CLEAR 13 HIGHEST -22.6 ON 20th,22nd,24th SUNSHINE 498.5/67.0% PARTLY CLOUDY 09 LOWEST -33.7 ON 31st CLOUDY 09 HIGH PRESSURE 702.7 ON 29th LOW PRESSURE 686.8 ON 4th 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 Extremes: From To Max T -22.7 -22.6 Min T -32.8 -33.7 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 25.6 24.8 Avg Wnd Spd 13.9 10.6 Avg Press 693.3 693.4 Min T 27.9 28.0 Max Press 702.2 702.7 Fastest Wnd MPH Avg T 26.8 26.4 Min Press 687.1 686.8 Changes to Daily Data: Max Temp Day 1 4 6 7 8 9 11 15 17 19 20 22 24 27 29 From: 23.9 23.9 25.0 25.0 24.4 23.9 25.0 26.1 26.7 26.7 22.7 23.9 24.4 27.8 28.3 To: 23.1 23.7 24.8 24.2 24.2 23.7 24.8 25.9 26.4 26.4 22.6 22.6 22.6 27.0 27.0 Min Temp Day 2 18 24 28 31 From: 25.0 28.9 30.0 30.0 32.8 To: 25.3 29.2 30.3 30.3 33.7 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 From: 25.8 24.2 25.6 24.7 24.4 25.6 25.6 25.0 24.4 25.0 25.3 25.8 25.8 26.7 28.3 27.2 To: 24.2 24.8 25.1 24.4 24.8 25.2 25.0 24.7 24.3 25.4 25.2 26.1 25.9 26.3 27.0 27.0 Day 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 27.8 28.1 28.6 25.0 25.3 28.3 27.2 29.7 26.9 28.3 28.6 30.0 29.4 31.7 To: 28.0 27.5 24.5 25.0 24.5 25.7 27.5 25.8 28.6 27.7 29.2 29.1 31.1 32.9 Number of NCDC observations per day: 8