***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1970 MONTH SEPTEMBER .... 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 34.2 44.4 35.3 0 320 33.4 46 310 0.0 9 675.2 BS 2 34.4 40.0 38.1 0 320 18.4 40 320 0.0 8 679.6 BS 3 36.7 45.9 42.2 0 010 15.6 25 010 0.0 8 683.0 IF,BS 4 41.1 59.4 55.6 0 030 10.3 22 010 0.0 5 686.8 IF 5 55.0 61.7 60.3 0 110 15.2 18 120 0.0 1 687.1 IF 6 56.7 62.8 59.6 0 130 14.7 22 130 0.0 0 685.1 IF 7 58.9 67.8 66.5 0 130 17.8 24 120 0.0 0 681.0 IF 8 66.1 71.7 70.3 0 130 12.4 24 130 0.0 1 679.0 IF 9 67.8 72.2 69.7 0 110 9.2 13 120 0.0 2 677.5 IF 10 67.8 71.7 69.5 0 070 11.5 14 070 0.0 2 676.9 IF 11 66.1 70.6 67.6 0 060 13.6 15 090 0.0 1 676.5 12 62.8 67.8 63.6 0 050 17.6 22 050 0.0 1 673.3 IF 13 60.6 68.3 65.1 0 050 13.0 23 050 0.0 2 664.9 IF,BS 14 58.3 69.4 63.9 0 010 12.7 15 010 0.0 4 670.6 IF 15 58.3 66.1 59.7 0 040 12.7 17 040 0.0 7 672.2 IF 16 54.4 60.0 56.0 0 010 16.7 18 020 0.0 7 678.2 IF 17 50.9 55.6 51.9 0 010 20.2 23 020 0.0 7 678.6 IF,BS 18 49.4 55.6 54.3 0 020 22.1 27 020 0.0 7 679.5 IF,BS 19 43.6 55.6 48.0 T 020 17.3 27 020 0.0 5 688.5 IC,IF,BS 20 38.6 48.9 42.0 T 360 19.9 29 350 0.0 6 697.1 IC,IF,BS 21 38.3 52.2 50.4 T 010 13.0 27 340 0.0 3 701.4 IC,IF,BS 22 47.2 57.2 51.6 0 070 13.5 17 080 19.0 2 688.7 IF 23 49.4 61.7 59.4 0 110 12.9 17 110 17.0 2 677.3 IF 24 55.6 62.8 61.4 0 050 15.8 22 020 16.8 2 677.3 IF 25 59.4 65.6 61.2 0 060 13.2 22 040 20.0 2 684.2 IF 26 56.7 60.6 57.6 0 030 15.5 20 040 19.0 2 687.7 27 56.7 61.7 59.4 0 110 16.7 21 080 21.0 0 674.6 IF 28 52.8 61.7 54.3 0 040 19.5 28 020 24.0 0 679.0 IF,BS 29 51.7 57.8 56.9 0 040 14.1 27 030 24.0 2 681.1 IF,BS 30 56.1 61.7 59.9 0 050 9.8 16 060 19.0 0 681.9 IF AVG 52.9 60.6 57.0 T 010 15.6 46 310 6.0 3 680.8 1st AVG MONTHLY -57.0 PCPN TRACE NR DAYS CLEAR 19 HIGHEST -34.2 ON 1st SUNSHINE 179.8/25.0% PARTLY CLOUDY 04 LOWEST -72.2 ON 9th CLOUDY 07 HIGH PRESSURE 702.8 ON 22nd LOW PRESSURE 662.4 ON 14th 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 -34.4 -34.2 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 53.4 52.9 Avg Wnd Spd 15.8 15.6 Avg Press 680.6 680.8 Min T 59.7 60.6 Max Press Fastest Wnd MPH Avg T 56.6 57.0 Min Press Changes to Daily Data: Max Temp Day 1 9 11 12 14 16 17 19 20 From: 35.0 69.4 67.2 63.3 64.4 55.6 51.7 48.9 38.9 To: 34.2 67.8 66.1 62.8 58.3 54.4 50.9 43.6 38.6 Min Temp Day 3 4 6 7 8 13 22 29 30 From: 41.1 55.6 60.6 66.1 70.0 65.0 51.1 56.1 60.6 To: 45.9 59.4 62.8 67.8 71.7 68.3 57.2 57.8 61.7 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 39.7 37.2 38.9 48.3 58.3 58.6 62.5 68.1 70.8 69.7 68.9 65.6 62.8 66.9 62.2 57.8 To: 35.3 38.1 42.2 55.6 60.3 59.6 66.5 70.3 69.7 69.5 67.6 63.6 65.1 63.9 59.7 56.0 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 53.6 52.5 52.2 43.9 45.3 49.2 55.6 59.2 62.5 58.6 59.2 57.2 53.9 58.3 To: 51.9 54.3 48.0 42.0 50.4 51.6 59.4 61.4 61.2 57.6 59.4 54.3 56.9 59.9 Number of NCDC observations per day: 4