***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1965 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 60.0 66.7 64.2 0 090 13.0 21 180 0.0 0 687.5 02 50.0 61.1 52.9 0 100 12.8 20 050 0.0 0 693.8 03 47.4 55.6 52.0 0 120 17.9 25 100 0.0 0 695.5 04 55.6 60.6 58.7 0 100 15.4 26 090 0.0 0 692.8 05 60.0 66.1 63.0 0 100 12.2 23 070 0.0 0 689.6 06 52.2 64.4 60.4 0 090 16.0 22 020 0.0 0 685.3 07 52.8 55.6 54.4 0 020 16.7 23 020 0.0 0 691.1 08 55.6 66.1 61.0 0 040 12.8 21 040 0.0 0 693.7 09 56.1 68.9 64.9 T 100 10.9 16 090 0.0 2 691.9 10 50.0 65.6 57.4 T 360 10.5 23 350 0.0 2 686.5 11 63.9 67.8 66.2 0 090 9.7 15 120 0.0 0 680.2 12 61.1 68.3 63.9 0 080 9.5 17 080 0.0 2 679.8 13 63.9 65.6 64.6 0 080 13.9 17 040 0.0 0 678.7 14 63.3 65.0 63.9 0 090 15.0 18 090 0.0 0 678.3 15 64.4 68.9 67.4 0 110 11.6 17 100 0.0 0 685.5 16 55.0 68.3 61.7 0 110 12.7 18 090 0.0 6 686.4 17 48.6 54.4 50.5 0 110 8.7 14 080 0.0 7 677.8 18 52.2 67.8 62.3 0 100 12.7 16 090 0.0 0 670.6 19 67.8 70.6 69.6 0 100 11.0 16 100 0.0 0 667.2 20 70.0 72.8 71.1 0 100 10.6 15 120 0.0 0 664.4 21 71.7 80.6 77.4 0 100 7.8 13 080 0.0 0 662.6 22 77.2 80.6 79.1 0 140 11.6 20 120 0.0 0 661.4 23 78.3 79.4 78.7 0 110 13.3 18 110 0.0 0 655.4 24 75.5 79.5 77.0 0 070 12.4 16 080 0.0 0 654.7 25 71.7 80.6 75.7 0 010 11.5 16 360 0.0 2 663.6 26 68.3 72.8 70.2 0 360 16.2 25 360 0.0 0 671.8 BS 27 61.1 68.9 63.7 0 360 14.9 23 360 0.0 2 676.1 BS 28 61.7 71.1 65.7 0 020 10.8 20 360 0.0 0 676.1 29 68.3 72.2 70.8 0 360 11.7 17 360 0.0 0 681.2 30 48.3 68.9 57.5 0 330 18.9 28 330 0.0 6 682.4 BS 31 42.5 48.9 45.4 T 310 17.9 29 300 0.0 6 687.3 BS AVG 60.5 67.9 64.2 T 100 12.9 29 300 0.0 1 679.0 31st AVG MONTHLY -64.2 PCPN TRACE NR DAYS CLEAR 27 HIGHEST -42.5 ON 31st SUNSHINE 0.0/ 0% PARTLY CLOUDY 03 LOWEST -80.6 ON 21st,22nd,25th CLOUDY 01 HIGH PRESSURE 696.2 ON 3rd LOW PRESSURE 653.2 ON 23rd,24th NET CHANGE IN SNOWSTAKE FIELD: +0.15 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. Prevailing wind direction taken from NCDC data. No data on original LCD. All wind and pressure data taken from original LCD unless otherwise indicated. Changed Extremes: From To Max T -42.9 -42.5 Min T -80.7 -80.6 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T Avg Wnd Spd Avg Press Min T 67.8 67.9 Max Press Fastest Wnd MPH Avg T 64.3 64.2 Min Press 653.1 653.2 Changes to Daily Data: Max Temp Day 3 17 24 31 From: 47.8 48.9 75.6 42.9 To: 47.4 48.6 75.5 42.5 Min Temp Day 21 24 From: 80.7 79.4 To: 80.6 79.5 Avg Temp Day 1 2 3 4 5 6 8 9 10 11 12 13 14 15 From: 63.3 55.6 51.7 58.3 63.3 58.3 61.1 62.8 57.8 66.1 65.0 65.0 64.4 66.7 To: 64.2 52.9 52.0 58.7 63.0 60.4 61.0 64.9 57.4 66.2 63.9 64.6 63.9 67.4 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 51.7 60.0 69.4 71.7 76.1 78.9 78.9 77.8 76.1 70.6 65.0 66.7 70.6 58.9 46.1 To: 50.5 62.3 69.6 71.1 77.4 79.1 78.7 77.0 75.7 70.2 63.7 65.7 70.8 57.5 45.4 Avg MPH Day 6 23 28 From: 14.7 12.0 11.9 To: 16.0 13.3 10.8 Number of NCDC observations per day: 8