***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1970 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 30.9 33.1 31.8 T 040 14.3 18 030 24.0 0 686.4 IC 2 31.7 34.4 33.6 T 030 12.6 16 020 23.3 2 685.7 IC,IF 3 32.2 35.6 35.0 T 030 13.9 16 030 20.9 0 685.1 IC,IF 4 34.4 37.0 35.9 T 030 11.0 15 030 24.0 0 685.5 IC 5 35.0 37.8 37.0 0 100 10.3 14 030 24.0 0 685.5 6 36.7 38.6 37.8 0 070 9.2 12 060 24.0 0 683.4 7 37.2 39.4 38.6 0 050 8.8 13 050 24.0 0 685.0 8 38.3 40.0 39.6 0 030 9.6 13 030 24.0 0 687.0 9 39.4 41.1 40.3 0 050 11.4 14 100 24.0 0 686.4 10 39.2 41.1 40.0 0 110 13.0 17 110 24.0 0 681.9 11 39.4 41.7 40.5 T 080 13.5 15 050 24.0 5 681.4 IC 12 39.2 41.1 40.0 T 040 14.0 17 040 24.0 5 681.2 IC,IF 13 36.7 42.5 40.9 T 070 12.6 16 070 19.5 5 681.0 IC,IF 14 39.4 43.6 42.0 T 070 13.3 16 050 21.0 5 679.2 IC,IF 15 40.0 44.4 43.4 T 060 16.4 21 060 23.5 2 675.1 IC,IF 16 33.7 43.9 36.8 T 030 20.1 29 030 3.5 7 670.4 IC,IF,BS 17 32.8 46.4 43.4 T 350 12.5 23 020 9.0 4 683.7 IC,IF,BS 18 43.3 46.7 44.5 T 050 13.3 16 050 12.0 4 689.4 IF 19 39.2 45.6 41.6 0 030 17.4 21 030 14.5 5 687.5 IF 20 39.4 43.6 42.7 0 030 17.1 22 040 16.5 2 688.6 IF,BS 21 42.2 46.4 45.4 0 060 14.7 22 050 24.0 0 687.5 IF 22 43.1 46.7 45.5 0 050 13.7 18 030 18.5 5 690.9 IF 23 37.5 46.1 40.6 0 020 14.7 21 020 0.0 8 694.2 IF 24 36.4 43.3 38.2 0 010 15.1 21 010 0.0 4 693.9 IF 25 36.7 45.9 43.9 0 030 15.1 18 040 20.0 2 689.7 IF 26 43.9 48.6 47.3 0 110 14.8 19 110 16.0 2 686.4 IF 27 47.2 50.9 49.2 0 120 11.0 21 080 24.0 0 683.7 28 48.3 52.8 52.0 T 110 9.0 18 120 24.0 2 681.3 IC,IF AVG 38.3 42.8 41.0 T 030 13.3 29 030 18.9 2 684.9 16th AVG MONTHLY -41.0 PCPN TRACE NR DAYS CLEAR 18 HIGHEST -30.9 ON 1st SUNSHINE 530.2/78.9% PARTLY CLOUDY 09 LOWEST -52.8 ON 28th CLOUDY 01 HIGH PRESSURE 695.2 ON 23rd,24th LOW PRESSURE 665.4 ON 16th 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 -31.1 -30.9 Min T -52.2 -52.8 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 38.7 38.3 Avg Wnd Spd Avg Press Min T 42.8 42.8 Max Press 695.1 695.2 Fastest Wnd MPH Avg T 40.7 41.0 Min Press Changes to Daily Data: Max Temp Day 1 10 12 16 19 22 23 24 From: 31.1 39.4 39.4 35.0 42.2 43.9 41.7 36.7 To: 30.9 39.2 39.2 33.7 39.2 43.1 37.5 36.4 Min Temp Day 1 4 6 13 14 17 20 21 25 26 27 28 From: 32.8 36.1 38.3 41.7 43.3 43.3 42.8 46.1 43.9 47.2 50.0 52.2 To: 33.1 37.0 38.6 42.5 43.6 46.4 43.6 46.4 45.9 48.6 50.9 52.8 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 31.9 33.1 33.9 35.3 36.4 37.5 38.3 39.2 40.3 40.3 40.6 40.3 39.2 41.4 42.2 39.4 To: 31.8 33.6 35.0 35.9 37.0 37.8 38.6 39.6 40.3 40.0 40.5 40.0 40.9 42.0 43.4 36.8 Day 17 18 19 20 21 22 23 24 25 26 27 28 From: 38.1 45.0 43.9 41.1 44.2 45.3 43.9 40.0 40.3 45.6 48.6 50.3 To: 43.4 44.5 41.6 42.7 45.4 45.5 40.6 38.2 43.9 47.3 49.2 52.0 Number of NCDC observations per day: 8