***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1959 MONTH AUGUST ....... ALL TEMPERATURES MINUS C .............. DAY TEMPERATURE C. PCPN AVG WND FASTEST SUN SKY STN WX MAX MIN AVG SPEED MILE SHINE COVER PRESS DIR MPH SPD DIR HRS 01 47.5 55.6 51.5 T 020 20.7 25 020 0.0 1 687.3 02 54.4 58.3 56.1 T 020 21.8 26 050 0.0 1 688.5 03 52.0 58.3 54.8 T 020 19.3 24 360 0.0 2 693.0 04 56.4 63.9 59.8 T 050 13.4 21 020 0.0 0 690.8 05 48.1 63.9 53.9 T 020 18.3 24 020 0.0 1 689.1 06 46.7 51.1 48.6 T 020 20.7 26 020 0.0 2 689.0 07 50.6 62.8 54.9 T 020 19.3 28 020 0.0 0 688.9 08 57.5 63.3 59.2 T 070 16.6 21 070 0.0 0 684.7 09 54.2 61.1 56.7 T 020 18.9 22 020 0.0 0 681.3 10 55.9 63.3 58.7 T 020 14.1 21 020 0.0 0 685.8 11 53.3 63.3 57.3 T 050 16.6 23 020 0.0 0 688.4 12 50.6 56.1 52.9 T 020 19.7 25 020 0.0 2 689.3 13 51.4 60.0 55.0 T 020 15.5 24 050 0.0 3 685.8 14 58.1 65.0 61.2 T 020 13.9 18 020 0.0 2 680.5 15 55.3 59.4 57.3 T 360 14.4 18 360 0.0 8 676.7 16 58.9 70.0 64.5 T 020 10.1 14 090 0.0 2 669.0 17 59.7 71.7 65.6 T 090 12.4 23 050 0.0 1 661.8 18 59.2 68.9 62.1 T 050 14.1 22 050 0.0 5 665.4 19 67.8 77.8 72.6 T 070 8.2 14 070 0.0 0 669.2 20 63.6 72.8 66.7 T 360 10.9 16 360 0.0 6 674.8 21 54.2 65.0 60.5 T 360 6.0 14 360 0.0 8 676.3 22 49.2 56.7 52.0 T 360 2.6 7 360 0.0 7 668.9 23 55.6 65.6 60.2 T 050 6.5 12 050 0.0 5 663.1 24 55.9 66.1 61.2 T 050 17.7 26 050 0.0 4 662.8 25 55.3 60.0 57.5 0 020 19.8 22 360 0.0 4 663.0 26 57.0 62.2 58.3 T 020 14.3 22 360 0.0 2 672.2 27 58.1 63.3 60.7 T 020 15.4 19 020 0.0 2 673.5 28 61.4 64.4 62.6 T 020 16.5 19 020 0.0 4 677.5 29 57.5 65.0 60.7 T 020 8.1 16 020 0.0 6 681.3 30 61.1 68.3 64.8 T 110 11.0 19 110 0.0 2 678.1 31 57.5 65.0 61.1 T 110 18.1 26 110 0.0 0 673.7 AVG 55.6 63.5 59.0 T 020 14.7 28 360 0.0 3 678.4 7th AVG MONTHLY -59.0 PCPN TRACE NR DAYS CLEAR 20 HIGHEST -46.7 ON 6th SUNSHINE 0.0/ 0% PARTLY CLOUDY 08 LOWEST -77.8 ON 19th CLOUDY 03 HIGH PRESSURE 693.9 ON 3rd LOW PRESSURE 659.7 ON 25th NET CHANGE IN SNOWSTAKE FIELD: M 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 Sky Cover changed to Octas. Station Pressure data taken from NCDC data. No data on original LCD. All wind and pressure data taken from original LCD unless otherwise indicated. Prevailing and peak wind direction converted from cardinal direction to degrees. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 55.8 55.6 Avg Wnd Spd Avg Press 678.5 678.4 Min T 63.6 63.5 Max Press Fastest Wnd MPH Avg T 59.6 59.0 Min Press Changes to Daily Data: Max Temp Day 1 3 4 5 8 9 10 13 14 15 17 From: 47.8 52.2 56.7 48.3 57.8 54.4 56.1 51.7 58.3 55.6 60.0 To: 47.5 52.0 56.4 48.1 57.5 54.2 55.9 51.4 58.1 55.3 59.7 Day 18 20 21 22 24 25 26 27 28 29 31 From: 59.4 63.9 54.4 49.4 56.1 55.6 57.2 58.3 61.7 57.8 57.8 To: 59.2 63.6 54.2 49.2 55.9 55.3 57.0 58.1 61.4 57.5 57.5 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 54.6 55.5 56.9 59.6 48.8 50.6 58.7 58.6 56.4 59.9 54.1 52.8 58.3 60.1 59.2 To: 51.5 56.1 54.8 59.8 53.9 48.6 54.9 59.2 56.7 58.7 57.3 52.9 55.0 61.2 57.3 Day 16 17 18 19 20 21 22 23 24 25 26 27 29 30 31 From: 67.9 61.4 67.6 71.3 63.6 55.3 55.0 63.3 57.7 58.1 59.1 62.2 61.8 63.0 61.5 To: 64.5 65.6 62.1 72.6 66.7 60.4 52.0 60.2 61.2 57.5 58.3 60.7 60.7 64.8 61.1 Number of NCDC observations per day: 24