***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1975 MONTH NOVEMBER .... 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 39.2 46.7 40.1 0 030 23.2 28 020 M 8 676.2 BS 2 38.9 43.6 42.6 0 040 16.2 27 020 M 6 675.3 BS 3 35.3 43.3 37.4 0 020 21.3 25 030 M 7 668.6 BS 4 35.6 47.0 43.5 0 040 7.3 24 020 M 3 675.5 BS,IC 5 42.2 47.8 45.8 0 020 9.6 18 030 M 2 682.1 6 40.6 47.8 41.8 0 020 14.8 18 030 M 5 688.0 BS 7 40.6 43.9 42.9 0 090 10.5 20 070 M 1 679.0 BS 8 42.2 43.9 43.0 0 050 9.9 14 090 M 2 678.6 9 42.5 45.0 43.6 0 030 12.7 16 020 M 5 680.2 10 37.5 43.9 40.3 T 040 13.7 17 040 M 6 678.1 BS,IC 11 36.7 42.8 41.7 0 080 7.1 17 020 M 6 674.7 BS,IC 12 37.0 43.9 40.9 T 020 14.2 19 020 M 5 672.3 IC 13 37.2 41.1 37.7 T 020 17.5 22 020 M 4 677.9 BS 14 35.9 38.9 36.4 T 040 16.4 22 030 M 2 684.9 BS 15 36.1 39.2 37.7 T 060 8.5 21 030 M 3 685.1 IC 16 37.2 40.3 39.4 T 070 6.3 12 070 M 2 682.1 IC 17 38.6 40.6 39.5 0 080 5.9 8 090 M 2 685.1 18 37.2 40.0 38.0 0 070 7.6 10 090 M 3 684.4 19 36.1 39.4 37.7 0 060 5.1 9 070 M 5 683.2 IC 20 36.7 38.9 37.4 0 080 7.6 9 080 M 2 682.5 21 37.0 38.1 37.6 0 100 8.8 10 090 M 0 682.0 22 36.4 38.3 37.5 0 040 7.1 9 090 M 2 683.3 23 33.7 38.3 35.3 T 030 8.5 14 030 M 4 687.8 24 33.9 37.2 35.1 T 030 10.0 14 020 M 4 688.4 IC 25 29.4 36.1 31.8 T 020 16.8 18 020 M 6 691.9 IC,BS 26 24.8 32.2 27.5 T 020 15.4 20 020 M 7 691.8 IC,BS 27 23.7 27.8 25.5 T 040 11.4 20 030 M 8 688.9 BS,IC,SG 28 25.0 29.8 27.4 T 030 9.8 15 040 M 6 680.3 IC,BS 29 26.7 32.0 30.4 T 260 7.3 13 020 M 5 683.0 IC 30 30.3 32.8 31.5 T 040 7.4 12 010 M 5 684.6 IC AVG 35.5 40.0 37.6 T 020 11.3 28 020 M 4 681.8 1st AVG MONTHLY -37.6 PCPN TRACE NR DAYS CLEAR 09 HIGHEST -23.7 ON 27th SUNSHINE M PARTLY CLOUDY 17 LOWEST -47.8 ON 5th,6th CLOUDY 04 HIGH PRESSURE 692.2 ON 25th,26th LOW PRESSURE 670.7 ON 3rd NET CHANGE IN SNOWSTAKE FIELD: M SNOWSTAKE DATA NOT AVAILABLE. Insufficient Data available for Sunshine Hours Computation. 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 -23.9 -23.7 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 36.1 35.5 Avg Wnd Spd Avg Press 681.6 681.8 Min T 39.8 40.0 Max Press 692.0 692.2 Fastest Wnd MPH Avg T 37.9 37.6 Min Press Changes to Daily Data: Max Temp Day 1 3 6 9 10 12 14 17 21 22 23 25 26 27 30 From: 39.4 37.8 41.1 42.8 40.6 41.1 36.1 39.4 37.2 37.2 33.9 32.2 26.1 23.9 30.6 To: 39.2 35.3 40.6 42.5 37.5 37.0 35.9 38.6 37.0 36.4 33.7 29.4 24.8 23.7 30.3 Min Temp Day 2 4 7 11 15 16 21 28 29 From: 43.3 44.4 43.3 42.2 38.3 40.0 37.8 27.8 31.7 To: 43.6 47.0 43.9 42.8 39.2 40.3 38.1 29.8 32.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 43.1 41.1 40.6 40.0 45.0 44.4 41.9 43.1 43.9 42.2 39.4 42.5 39.2 37.5 37.2 38.6 To: 40.1 42.6 37.4 43.5 45.8 41.8 42.9 43.0 43.6 40.3 41.7 40.9 37.7 36.4 37.7 39.4 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 40.0 38.6 37.8 37.8 37.5 37.8 36.1 35.6 34.2 29.2 25.8 26.4 29.2 31.7 To: 39.5 38.0 37.7 37.4 37.6 37.5 35.3 35.1 31.8 27.5 25.5 27.4 30.4 31.6 Number of NCDC observations per day: 8