***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1964 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 50.9 59.4 52.4 0 040 16.1 21 040 0.0 1 666.5 02 54.4 61.7 57.8 0 050 13.8 21 030 0.0 0 672.2 03 61.1 66.1 64.0 0 060 12.7 18 050 0.0 0 677.8 04 66.1 67.8 66.9 0 100 12.7 15 090 0.0 0 677.8 05 63.9 67.8 65.8 0 090 11.5 14 090 0.0 0 679.8 06 65.6 69.4 67.6 0 090 12.7 14 100 0.0 0 678.1 07 67.2 70.6 69.2 0 090 12.7 14 060 0.0 0 671.0 08 62.2 66.1 63.5 0 030 19.6 23 020 0.0 0 669.3 09 61.1 66.1 64.2 0 030 18.4 24 030 0.0 0 674.7 10 58.9 63.3 60.6 0 030 19.6 28 030 0.0 0 673.1 11 57.2 63.9 59.4 0 050 16.1 23 030 0.0 0 669.7 12 52.2 59.4 56.9 0 050 16.1 23 030 0.0 0 677.3 13 45.9 54.4 49.6 0 040 23.0 28 030 0.0 2 678.0 14 52.8 58.3 55.5 0 050 18.4 29 030 0.0 0 672.4 15 53.3 55.6 54.6 0 020 25.3 28 030 0.0 2 675.2 16 53.3 55.6 54.1 0 020 23.0 28 020 0.0 0 676.1 17 52.8 56.1 54.2 0 030 20.7 27 020 0.0 0 678.5 18 53.9 56.7 55.0 0 020 21.9 28 030 0.0 0 679.7 19 53.9 58.9 57.1 0 360 20.7 25 360 0.0 1 685.4 20 38.1 53.3 42.9 T 320 27.6 33 300 0.0 8 684.9 21 39.4 55.0 49.9 T 060 9.2 17 300 0.0 1 683.3 22 48.9 53.3 50.7 0 030 15.0 20 020 0.0 1 680.3 23 45.6 52.8 48.0 0 020 19.6 27 020 0.0 1 681.0 24 48.6 55.6 53.8 0 070 16.4 23 030 0.0 0 684.1 25 54.4 58.3 57.3 0 070 20.7 23 070 0.0 0 689.0 26 57.2 63.3 60.5 0 090 16.4 23 090 0.0 0 688.4 27 62.8 67.2 64.2 0 140 12.7 14 120 0.0 2 673.6 28 61.1 69.4 66.7 0 030 11.5 13 030 0.0 2 665.4 29 52.8 65.6 58.9 T 340 17.3 20 340 0.0 6 667.6 30 53.9 56.7 57.6 T 340 15.0 18 360 0.0 3 669.0 31 55.6 60.6 57.7 T 050 9.2 14 100 0.0 4 666.5 AVG 55.0 60.9 58.0 T 030 17.0 33 300 0.0 1 676.3 20th AVG MONTHLY -58.0 PCPN TRACE NR DAYS CLEAR 27 HIGHEST -38.1 ON 20th SUNSHINE 0.0/ 0% PARTLY CLOUDY 03 LOWEST -70.6 ON 7th CLOUDY 01 HIGH PRESSURE 690.8 ON 26th LOW PRESSURE 664.7 ON 1st,31st NET CHANGE IN SNOWSTAKE FIELD: +0.98 inches 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. All wind and pressure data taken from original LCD unless otherwise indicated. Changed Extremes: From To Max T -38.3 -38.1 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 55.1 55.0 Avg Wnd Spd Avg Press 676.2 676.3 Min T 60.8 60.9 Max Press 689.0 690.8 Fastest Wnd MPH Avg T Min Press 667.6 664.7 Changes to Daily Data: Max Temp Day 1 13 20 24 From: 51.1 48.9 38.3 48.9 To: 50.9 45.9 38.1 48.6 Min Temp Day 21 From: 52.8 To: 55.0 Avg Temp Day 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 52.8 63.3 67.2 66.1 67.2 68.9 63.9 63.3 61.1 60.6 56.1 50.0 55.6 54.4 54.4 To: 52.4 64.0 66.9 65.8 67.6 69.2 63.5 64.2 60.6 59.4 56.9 49.6 55.5 54.6 54.1 Day 17 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 54.4 56.1 46.1 47.2 51.1 47.8 52.2 56.7 60.0 65.0 65.3 59.4 55.0 57.8 To: 54.2 57.1 42.9 49.9 50.7 48.0 53.8 57.3 60.5 64.2 66.7 58.9 57.6 57.7 Fast MPH Day 10 11 14 15 19 From: 25 21 28 27 24 To: 28 23 29 28 25 Avg Press Day 2 From: 669.3 To: 672.2 Number of NCDC observations per day: 8