***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1969 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 24.8 27.5 26.3 T 130 5.5 8 150 24.0 4 689.4 IC 2 26.4 27.8 26.8 0 130 10.5 13 130 24.0 0 686.6 3 25.0 27.2 26.0 0 090 5.5 13 130 18.4 2 686.9 4 26.1 28.1 27.1 0 340 6.3 9 340 23.1 5 688.0 IF 5 25.3 28.3 27.0 T 110 10.0 13 110 4.2 4 688.2 IF,SG 6 24.2 27.8 25.3 0 030 9.6 14 040 20.5 6 686.4 7 21.7 25.6 23.6 T 020 10.8 15 340 2.1 7 688.7 IF,SG 8 22.8 28.1 26.2 T 040 8.2 14 020 12.6 6 691.9 IC,SG 9 25.0 28.9 27.8 T 020 6.8 11 030 12.7 7 693.4 IC,SG 10 25.9 29.4 28.0 T 010 11.9 14 010 12.1 7 696.6 IC,SG,IF 11 23.7 28.9 26.2 T 010 10.2 14 360 13.1 8 700.4 IC,SG,IF 12 26.1 30.9 30.0 T 040 8.6 12 010 24.0 3 699.8 IC,SG,IF 13 28.1 31.1 28.8 0 030 14.1 17 030 24.0 3 699.0 IC 14 26.4 28.9 26.9 0 360 14.6 18 020 24.0 5 702.4 IC,BS,IF 15 25.3 27.8 26.9 T 020 8.9 16 360 11.5 4 703.9 IC,SG,IF,BS 16 24.2 27.8 26.2 0 050 11.5 14 050 24.0 4 701.8 17 24.4 27.8 26.2 0 100 10.4 12 060 24.0 2 700.3 18 26.4 27.2 26.8 0 100 9.5 11 080 24.0 0 703.7 19 26.7 27.8 27.1 0 070 10.2 12 100 24.0 1 705.6 20 26.4 27.8 26.7 0 100 11.4 13 070 24.0 1 706.6 21 25.3 27.2 26.4 0 060 12.6 14 060 24.0 2 704.1 22 23.7 27.2 25.4 T 020 15.8 19 030 24.0 6 702.9 IF,SG,BS 23 23.1 27.0 25.6 T 030 14.7 19 020 18.6 7 701.8 IC,SG,IF,BS 24 23.3 28.3 27.1 T 040 16.4 20 030 24.0 5 698.9 IC,SG,BS 25 24.8 29.4 26.4 T 010 12.8 17 040 13.3 8 697.6 IC,SG 26 24.4 32.0 30.3 T 030 12.7 15 290 10.5 5 698.1 IC,SG 27 31.1 33.1 32.4 0 030 12.7 15 030 24.0 1 694.4 28 30.9 33.3 31.6 0 040 13.0 15 050 24.0 0 689.2 29 31.1 33.7 32.3 0 040 13.7 16 060 24.0 1 687.7 30 32.2 35.3 34.0 T 070 12.7 16 040 24.0 3 688.0 IC 31 31.7 35.9 34.8 T 060 14.3 16 040 14.6 5 686.1 IC AVG 26.0 29.3 27.8 T 030 11.2 20 030 19.2 4 695.8 24th AVG MONTHLY -27.8 PCPN TRACE NR DAYS CLEAR 13 HIGHEST -21.7 ON 7th SUNSHINE 595.3/80.0% PARTLY CLOUDY 13 LOWEST -35.9 ON 31th CLOUDY 05 HIGH PRESSURE 707.6 ON 20th LOW PRESSURE 685.4 ON 31th 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 Min T -35.6 -35.9 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 26.5 26.0 Avg Wnd Spd 10.4 11.2 Avg Press Min T 29.1 29.3 Max Press Fastest Wnd MPH Avg T 27.8 27.8 Min Press 686.0 685.4 Changes to Daily Data: Max Temp Day 1 2 5 6 10 11 13 14 15 16 18 20 21 22 23 25 From: 25.0 26.7 26.7 25.0 27.2 23.9 28.9 27.2 25.6 26.7 26.7 26.7 26.1 23.9 24.4 26.7 To: 24.8 26.4 25.3 24.2 25.9 23.7 28.1 26.4 25.3 24.2 26.4 26.4 25.3 23.7 23.1 24.8 Day 28 From: 32.2 To: 30.9 Min Temp Day 1 4 8 12 23 26 27 29 30 31 From: 27.2 27.8 27.8 30.6 26.7 31.1 32.8 32.2 35.0 35.6 To: 27.5 28.1 28.1 30.9 27.0 32.0 33.1 33.7 35.3 35.9 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 26.1 27.2 26.1 26.9 27.5 26.4 23.6 25.3 26.9 28.3 26.4 28.3 30.0 28.1 26.7 27.2 To: 26.3 26.8 26.0 27.1 27.0 25.3 23.6 26.2 27.8 28.0 26.2 30.0 28.8 26.9 26.9 26.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 26.1 26.9 27.2 27.2 26.7 25.6 25.6 25.8 28.1 27.8 31.9 32.8 31.7 33.6 33.6 To: 26.2 26.8 27.1 26.7 26.4 25.4 25.6 27.1 26.4 30.3 32.4 31.6 32.3 34.0 34.8 Number of NCDC observations per day: 8