***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1961 MONTH JUNE ....... 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 59.7 66.1 64.0 0 110 13.2 16 140 0.0 2 685.5 02 51.4 60.0 54.7 T 050 7.7 12 050 0.0 7 688.8 03 47.5 55.0 49.5 0 110 9.7 17 110 0.0 6 685.4 04 52.5 56.1 54.4 0 090 22.3 27 090 0.0 3 682.2 BS 05 56.1 66.7 62.1 0 090 17.9 23 090 0.0 1 683.4 06 55.9 65.0 59.0 0 050 20.6 27 020 0.0 4 688.5 BS 07 43.1 61.1 50.7 T 020 22.7 27 020 0.0 5 690.4 BS 08 35.3 47.8 42.5 T 020 24.0 29 050 0.0 6 696.7 BS 09 34.4 38.9 36.3 0 360 31.2 35 020 0.0 7 694.7 10 38.9 50.6 46.7 0 360 21.4 28 360 0.0 2 696.7 11 48.1 56.1 52.0 0 050 15.9 23 050 0.0 2 692.2 12 45.9 51.1 48.1 0 020 23.4 29 020 0.0 1 686.4 13 43.1 49.4 46.3 0 020 23.5 32 020 0.0 1 686.4 14 47.5 56.1 51.0 0 050 21.0 25 020 0.0 1 681.5 15 53.1 62.2 56.3 0 020 19.2 23 020 0.0 2 680.8 16 62.2 67.8 65.1 0 090 14.6 16 090 0.0 0 675.6 17 62.0 66.1 63.4 0 050 15.7 20 050 0.0 2 672.7 18 57.0 63.3 59.7 0 020 24.3 29 020 0.0 3 672.1 19 39.8 57.2 46.0 T 360 29.7 38 360 0.0 7 671.1 BS 20 37.0 46.7 40.9 0 360 28.0 37 360 0.0 6 679.2 BS 21 46.7 53.3 48.8 0 360 26.5 30 020 0.0 3 684.4 22 52.0 55.6 53.7 0 020 24.2 32 360 0.0 2 681.6 BS 23 52.5 59.4 56.8 0 020 20.3 27 360 0.0 2 685.5 BS 24 44.2 53.3 46.3 T 360 21.8 27 360 0.0 6 686.9 25 47.0 53.9 50.0 T 360 19.4 21 360 0.0 6 689.4 26 50.3 56.7 52.6 T 360 21.6 25 360 0.0 4 684.7 27 50.3 56.1 51.0 T 360 14.3 23 360 0.0 7 680.7 28 56.1 62.8 59.9 0 090 14.9 20 090 0.0 1 670.5 29 54.7 62.8 57.8 0 090 21.2 28 020 0.0 4 664.8 30 53.6 58.3 55.4 0 020 23.8 27 020 0.0 4 670.3 AVG 49.3 57.2 52.7 T 360 20.5 38 360 0.0 4 683.0 19th AVG MONTHLY -52.7 PCPN TRACE NR DAYS CLEAR 13 HIGHEST -34.4 ON 9th SUNSHINE 0.0/ 0% PARTLY CLOUDY 13 LOWEST -67.8 ON 16th CLOUDY 04 HIGH PRESSURE 698.6 ON 8th LOW PRESSURE 662.4 ON 29th NET CHANGE IN SNOWSTAKE FIELD: -1.60 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. Maximum temperature 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 48.7 49.3 Avg Wnd Spd Avg Press Min T Max Press 698.4 698.6 Fastest Wnd MPH Avg T 53.0 52.7 Min Press Changes to Daily Data: Max Temp No Daily Changes Min Temp No Daily Changes Avg Temp Day 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 From: 63.3 56.1 51.1 60.6 60.6 52.2 41.7 36.7 43.3 52.2 48.9 46.1 52.2 55.6 65.0 To: 64.0 54.7 49.5 62.1 59.0 50.7 42.5 36.3 46.7 52.0 48.1 46.3 51.0 56.3 65.1 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 64.4 60.6 48.9 42.2 49.4 53.3 56.1 48.3 49.4 53.9 52.8 58.9 58.9 56.1 To: 63.4 59.7 46.0 40.9 48.8 53.7 56.8 46.3 50.0 52.6 51.0 59.9 57.8 55.4 Number of NCDC observations per day: 8