***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1966 MONTH MAY ....... 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 65.6 67.2 66.1 0 080 10.4 15 090 0.0 0 673.2 02 62.8 65.6 63.5 0 090 10.2 14 090 0.0 0 671.2 03 53.9 63.3 57.1 0 030 13.4 20 020 0.0 7 675.9 04 51.1 61.1 54.9 0 030 14.8 21 020 0.0 4 677.1 05 60.6 66.7 65.9 0 090 11.2 15 090 0.0 0 681.8 06 61.1 66.7 62.6 0 060 12.8 16 090 0.0 2 688.2 07 56.7 64.4 61.7 0 060 11.6 16 050 0.0 4 691.7 08 62.8 66.7 64.4 0 090 11.3 16 090 0.0 0 690.3 09 62.2 68.9 65.5 0 100 10.8 17 090 0.0 0 682.0 10 67.2 71.1 68.4 0 060 11.4 18 360 0.0 0 680.7 11 61.7 67.2 64.0 0 010 18.9 28 360 0.0 0 681.3 12 58.3 67.2 62.6 T 360 15.6 20 360 0.0 4 675.2 13 52.8 61.1 57.8 T 360 14.8 18 360 0.0 4 676.4 14 52.8 57.8 53.9 0 360 16.9 22 360 0.0 1 677.4 15 52.8 67.8 61.0 0 020 11.3 20 020 0.0 0 670.2 16 66.1 70.0 68.2 0 050 12.5 21 020 0.0 0 668.5 17 64.4 66.1 64.7 0 020 16.7 23 020 0.0 0 670.2 18 60.6 64.4 61.9 0 030 11.4 18 020 0.0 0 672.5 19 61.7 72.2 68.9 0 100 8.5 17 110 0.0 0 673.7 20 66.7 72.2 69.0 0 010 10.6 16 050 0.0 0 680.5 21 57.8 67.8 61.1 0 020 17.7 23 020 0.0 5 686.3 22 55.6 61.1 56.5 0 020 13.4 20 020 0.0 2 685.7 23 45.9 52.2 48.8 T 350 14.3 22 340 0.0 5 681.0 24 46.1 55.6 53.3 T 010 15.4 18 360 0.0 4 679.8 25 50.0 56.1 53.3 T 360 15.7 22 360 0.0 2 690.9 26 50.6 54.4 52.3 T 010 17.3 21 360 0.0 2 697.4 27 51.1 58.9 56.8 0 080 14.2 20 070 0.0 0 691.0 28 58.3 66.1 63.0 0 110 9.0 15 110 0.0 0 690.5 29 62.2 65.0 64.0 0 130 9.5 13 110 0.0 0 686.3 30 61.7 66.1 64.3 0 100 11.4 18 070 0.0 0 684.9 31 57.8 64.4 61.1 T 020 10.7 15 050 0.0 2 687.9 AVG 58.0 64.4 61.2 T 020 13.0 28 360 0.0 2 681.3 11th AVG MONTHLY -61.2 PCPN TRACE NR DAYS CLEAR 23 HIGHEST -46.1 ON 23rd SUNSHINE 0.0/ 0% PARTLY CLOUDY 07 LOWEST -72.2 ON 19th CLOUDY 01 HIGH PRESSURE 698.3 ON 26th LOW PRESSURE 667.1 ON 16th 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. All wind and pressure data taken from original LCD unless otherwise indicated. Peak wind direction converted from cardinal direction to degrees. Changed Extremes: From To Max T -46.1 -45.9 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T Avg Wnd Spd Avg Press 681.2 681.3 Min T 64.3 64.4 Max Press Fastest Wnd MPH Avg T Min Press Changes to Daily Data: Max Temp Day 23 From: 46.1 To: 45.9 Min Temp Day 5 From: 66.1 To: 66.7 Avg Temp Day 2 3 4 5 6 7 9 10 11 12 13 14 15 16 From: 63.9 66.7 55.0 63.3 63.9 60.6 65.6 68.9 63.9 62.8 57.2 55.6 61.1 67.8 To: 63.5 57.1 54.9 65.9 62.6 61.7 65.5 68.4 64.0 62.6 57.8 53.9 61.0 68.2 Day 17 18 19 20 21 22 23 24 26 27 28 29 30 From: 65.0 61.7 68.3 69.4 61.7 58.9 48.9 50.6 52.8 55.0 62.2 63.9 63.9 To: 64.7 61.9 68.9 69.0 61.1 56.4 48.8 53.3 52.3 56.8 63.0 64.0 64.3 Avg Press: Day 13 25 From: 670.7 687.4 To: 676.4 690.9 Number of NCDC observations per day: 4