***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1969 MONTH FEBRUARY .... 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 34.4 38.3 37.2 T 020 13.4 17 030 15.4 5 684.8 IC 2 35.9 37.8 36.6 T 020 15.0 17 020 11.1 8 685.2 SG,IC 3 36.1 38.9 38.3 T 020 11.9 18 030 12.4 7 688.3 IC 4 36.4 38.9 37.2 T 010 13.0 14 020 8.3 7 691.5 IC 5 36.4 38.3 36.7 T 020 12.9 15 020 2.2 7 694.8 IC,IF 6 37.0 39.2 38.2 T 040 12.8 16 020 9.4 4 692.0 IC,IF 7 38.3 42.5 40.7 0 040 10.0 15 040 24.0 2 687.6 8 38.1 42.8 41.1 T 360 8.3 12 100 24.0 6 683.6 9 36.4 42.2 38.2 T 350 10.0 12 030 0.0 8 679.5 SG,IF 10 37.2 43.1 41.6 T 120 8.1 12 350 5.2 4 681.1 SG 11 41.4 43.3 42.0 0 120 15.7 20 120 24.0 0 682.7 12 41.7 43.9 43.1 0 110 14.7 20 120 24.0 0 683.4 13 42.0 43.9 42.9 0 050 14.4 18 060 24.0 3 687.4 14 42.2 45.9 45.1 0 010 11.2 17 050 15.2 4 693.7 IC 15 42.5 46.7 45.0 0 110 13.8 16 080 14.8 3 695.5 16 42.8 45.0 43.5 0 070 15.3 17 110 24.0 2 685.2 IF 17 42.8 46.4 44.5 0 030 15.5 18 060 18.3 5 684.9 BS,IF 18 43.3 48.3 47.4 0 010 12.7 16 030 23.1 3 688.9 19 45.9 47.8 46.3 T 030 12.4 16 040 17.6 5 688.3 IC,IF 20 39.2 46.7 42.5 0 020 17.3 21 040 14.3 7 687.4 21 35.3 40.3 37.2 T 010 18.7 23 020 0.0 8 687.0 SG,BS 22 35.0 40.0 38.8 T 010 16.4 23 010 0.0 8 687.5 SG,BS 23 36.4 42.5 40.1 T 030 15.0 22 020 0.0 8 685.2 SG,BS 24 38.3 47.5 43.1 T 020 14.4 20 030 0.0 5 683.3 SG,BS 25 42.2 51.4 50.6 0 020 9.5 13 030 24.0 2 685.2 26 49.2 52.2 50.0 T 020 12.7 14 010 24.0 5 685.4 27 47.8 50.6 49.2 T 040 15.3 16 020 14.4 4 684.7 SG,BS 28 48.3 51.4 50.7 0 030 15.3 18 030 24.0 5 684.2 AVG 40.1 44.1 42.4 T 020 13.4 23 010 14.2 5 686.7 21st,22nd AVG MONTHLY -42.4 PCPN TRACE NR DAYS CLEAR 08 HIGHEST -34.4 ON 1st SUNSHINE 397.7/59.2% PARTLY CLOUDY 14 LOWEST -52.2 ON 26th CLOUDY 06 HIGH PRESSURE 696.9 ON 14th,15th LOW PRESSURE 679.0 ON 9th,10th 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 40.8 40.1 Avg Wnd Spd Avg Press 686.6 686.7 Min T 43.6 44.1 Max Press 696.1 696.9 Fastest Wnd MPH Avg T 42.2 42.4 Min Press 679.2 679.0 Changes to Daily Data: Max Temp Day 2 4 5 6 8 9 11 13 15 19 20 21 23 26 From: 36.1 37.2 36.7 37.8 40.6 36.7 42.2 42.2 45.6 46.1 45.6 37.2 36.7 50.0 To: 35.9 36.4 36.4 37.0 38.1 36.4 41.4 42.0 42.5 45.9 39.2 35.3 36.4 49.2 Min Temp Day 6 7 10 14 17 21 23 24 25 28 From: 38.3 40.6 42.2 45.6 45.0 38.9 41.1 42.8 50.6 51.1 To: 39.2 42.5 43.1 45.9 46.4 40.3 42.5 47.5 51.4 51.4 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 From: 36.4 36.9 37.5 38.1 37.5 38.1 39.4 41.7 39.4 39.7 42.8 42.8 43.1 To: 37.2 36.6 38.3 37.2 36.7 38.2 40.7 41.1 38.2 41.6 42.0 43.1 42.9 Day 14 15 16 17 18 19 20 21 22 23 24 25 26 28 From: 43.9 46.1 43.9 43.9 45.8 46.9 46.1 38.1 37.5 38.9 40.6 46.4 51.1 49.7 To: 45.1 45.0 43.5 44.5 47.4 46.3 42.5 37.3 38.8 40.2 43.1 50.6 50.0 50.7 Number of NCDC observations per day: day 1 - day 14: 8 day 15: 6 day 16 - day 28: 4