***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1980 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 28.5 32.0 30.3 0 140 6.2 12 180 24.0 2 683.5 2 27.5 30.8 29.3 0 120 9.5 15 130 24.0 1 682.8 3 28.0 29.6 28.2 0 120 7.9 14 150 24.0 1 684.0 4 27.0 28.5 27.7 0 110 7.5 12 110 24.0 0 686.4 5 25.9 28.0 26.9 0 350 10.9 17 020 24.0 2 689.3 6 25.9 28.6 27.5 T 030 11.1 20 360 21.3 4 692.1 7 24.7 28.0 26.8 T 040 11.2 23 040 18.3 5 690.9 8 25.3 29.0 28.5 T 110 5.6 15 060 18.8 6 690.4 9 25.0 29.1 26.4 0 050 8.9 17 020 22.7 4 688.9 10 24.2 28.5 26.9 T 070 8.8 18 050 11.6 2 686.5 11 21.0 27.4 25.9 T 030 6.0 16 060 19.6 5 687.7 12 24.0 28.5 25.9 T 040 10.0 15 050 14.6 6 689.5 13 21.4 27.4 23.4 T 040 14.1 21 050 6.4 6 690.1 14 22.4 26.3 24.1 T 050 15.4 28 020 14.7 5 692.9 15 22.0 25.2 23.5 T 050 18.3 26 040 17.8 2 693.8 16 21.4 25.0 23.8 T 080 15.3 26 050 23.6 1 689.2 17 19.2 24.1 21.5 T 050 13.4 24 040 20.4 4 691.6 18 19.7 25.0 22.6 T 060 12.1 25 030 20.3 6 692.5 19 21.3 25.8 24.6 T 100 9.7 16 040 22.8 4 690.8 20 23.6 26.3 25.2 T 070 8.3 14 100 23.3 5 688.7 21 24.0 27.9 25.5 0 070 6.6 14 090 24.0 4 688.5 22 23.6 27.0 25.9 T 060 4.5 12 070 0.2 8 690.1 23 23.1 28.0 26.8 T 080 8.2 14 080 8.3 0 691.9 24 27.0 28.5 28.0 0 080 10.0 15 080 24.0 0 692.2 25 27.0 30.0 29.1 0 070 8.8 14 070 24.0 0 691.9 26 28.6 32.0 31.0 0 070 7.5 14 080 24.0 2 689.1 27 30.9 33.1 31.7 0 030 8.1 11 070 24.0 5 687.4 28 30.9 35.0 33.4 T 010 6.0 14 020 20.2 7 685.4 29 28.6 35.8 30.5 T 030 7.1 16 030 16.9 8 685.1 30 29.2 35.2 34.0 T 080 3.4 14 050 13.0 4 687.4 31 34.2 36.3 35.1 0 070 3.3 5 100 24.0 6 689.6 AVG 25.3 29.1 27.4 T 070 9.2 28 020 19.3 4 689.0 14th AVG MONTHLY -27.4 PCPN TRACE NR DAYS CLEAR 12 HIGHEST -19.2 ON 17th SUNSHINE 598.8/ 81% PARTLY CLOUDY 16 LOWEST -36.3 ON 31st CLOUDY 03 HIGH PRESSURE 698.3 ON 26th LOW PRESSURE 682.3 ON 2nd NET CHANGE IN SNOWSTAKE FIELD: +0.20 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 25.5 25.3 Avg Wnd Spd 8.1 9.2 Avg Press 689.2 689.0 Min T 28.9 29.1 Max Press Fastest Wnd MPH Avg T 27.2 27.4 Min Press 682.4 682.3 Changes to Daily Data: Max Temp Day 3 11 12 15 21 From: 28.1 24.7 24.3 22.4 25.0 To: 28.0 21.0 24.0 22.0 24.0 Min Temp Day 1 8 16 18 22 23 25 26 28 From: 31.9 28.5 24.1 23.5 26.3 27.4 29.1 31.3 33.5 To: 32.0 29.0 25.0 25.0 27.0 28.0 30.0 32.0 35.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 30.2 29.1 28.9 27.8 27.0 27.3 26.4 26.9 27.1 26.4 26.1 26.4 24.4 24.4 23.8 22.8 To: 30.3 29.3 28.2 27.7 26.9 27.5 26.8 28.5 26.4 26.9 25.9 25.9 23.4 24.1 23.5 23.8 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 21.7 21.6 23.5 25.0 26.5 25.0 25.3 27.8 28.1 30.0 32.0 32.2 32.2 32.2 35.3 To: 21.5 22.6 24.6 25.2 25.5 25.9 26.8 28.0 29.1 31.0 31.7 33.4 30.5 34.0 35.1 Number of NCDC observations per day: 8