***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1960 MONTH JULY ....... 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 53.6 65.0 58.6 T 050 17.0 26 050 0.0 1 671.5 02 60.8 67.2 64.5 T 020 18.4 24 020 0.0 2 669.5 03 57.5 60.6 55.8 T 360 21.9 32 020 0.0 8 664.4 04 57.5 67.2 61.4 T 020 12.1 29 020 0.0 3 660.5 05 66.4 71.1 69.2 T 090 11.0 15 090 0.0 0 658.1 06 62.5 68.9 64.4 T 050 14.3 23 020 0.0 2 661.5 07 63.1 68.3 65.6 T 070 16.1 23 050 0.0 0 656.3 08 57.5 64.4 59.5 T 360 20.5 29 020 0.0 3 657.1 09 55.3 59.4 58.2 T 020 19.8 24 020 0.0 2 668.1 10 53.9 57.2 55.7 T 020 20.2 25 020 0.0 6 672.5 11 57.2 60.0 58.5 T 020 19.9 28 020 0.0 4 677.6 12 55.3 59.4 57.4 T 020 19.8 26 020 0.0 2 680.0 13 57.0 65.6 59.9 T 050 18.4 25 020 0.0 1 676.6 14 58.1 65.6 61.1 T 020 20.7 28 020 0.0 4 676.8 15 48.6 59.4 54.1 T 020 17.6 29 360 0.0 7 681.5 16 48.6 59.4 53.2 T 020 15.8 25 360 0.0 3 676.1 17 58.1 64.4 60.7 T 020 14.3 22 020 0.0 2 672.7 18 54.2 66.1 59.9 T 360 20.6 30 360 0.0 6 674.7 19 52.0 58.9 55.0 T 360 11.5 17 340 0.0 6 681.0 20 53.6 57.8 54.6 T 020 15.5 22 020 0.0 4 681.2 21 44.2 57.8 51.9 T 020 15.0 21 360 0.0 6 686.9 22 36.7 44.4 39.4 T 270 5.4 17 290 0.0 8 688.8 23 39.8 49.4 43.3 T 360 5.0 13 320 0.0 5 687.4 24 49.7 62.8 56.3 T 070 11.6 20 070 0.0 0 683.9 25 52.8 63.9 60.1 T 110 14.4 22 070 0.0 0 681.2 26 56.7 65.6 60.0 T 110 20.3 32 110 0.0 1 667.1 27 60.8 68.9 63.9 T 070 16.9 24 050 0.0 1 661.2 28 63.6 71.1 68.8 T 020 15.3 21 070 0.0 1 668.1 29 55.9 63.9 59.1 T 360 20.7 29 360 0.0 5 675.6 30 52.0 56.1 53.1 T 360 23.0 31 360 0.0 6 673.0 31 53.3 66.1 59.4 T 070 13.4 20 020 0.0 1 670.7 AVG 54.7 62.4 58.1 T 020 16.3 32 110 0.0 3 673.0 3rd,26th AVG MONTHLY -58.1 PCPN TRACE NR DAYS CLEAR 15 HIGHEST -36.7 ON 22nd SUNSHINE 0.0/ 0% PARTLY CLOUDY 13 LOWEST -71.1 ON 5th,28th CLOUDY 03 HIGH PRESSURE 689.1 ON 21st,22nd LOW PRESSURE 655.6 ON 7th 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 converted from inches of Hg to millibars. Wind speed converted from knots to MPH. 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 55.2 54.7 Avg Wnd Spd 16.4 16.3 Avg Press Min T 62.5 62.4 Max Press Fastest Wnd MPH Avg T 58.9 58.1 Min Press 655.6 651.5 Changes to Daily Data: Max Temp Day 1 2 3 4 5 6 7 8 9 12 13 14 From: 53.9 61.1 57.8 57.8 66.7 62.8 63.3 57.8 55.6 55.6 67.2 58.3 To: 53.6 60.8 57.5 57.5 66.4 62.5 63.1 57.5 55.3 55.3 57.0 58.1 Day 15 16 17 18 19 20 21 23 24 27 28 29 30 From: 48.9 48.9 58.3 54.4 52.2 53.9 44.4 40.0 50.0 61.1 63.9 56.1 52.2 To: 48.6 48.6 58.1 54.2 52.0 53.6 44.2 39.8 49.7 60.8 63.6 55.9 52.0 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 59.4 64.2 59.2 62.5 68.9 65.8 65.8 61.1 57.5 55.6 58.6 57.5 66.4 61.9 54.2 54.2 To: 58.6 64.5 55.8 61.4 69.2 64.4 65.6 59.5 58.2 55.7 58.5 57.4 59.9 61.1 54.1 53.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 61.4 60.3 55.6 55.8 51.1 40.6 44.7 56.4 58.3 61.1 65.0 67.5 60.0 54.2 59.7 To: 60.7 59.9 55.0 54.6 51.9 39.4 43.3 56.3 60.1 60.0 63.9 68.8 59.1 53.1 59.4 Number of NCDC observations per day: 24