***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1963 MONTH SEPTEMBER ....... 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 57.8 67.2 64.4 T 090 15.7 23 050 0.0 2 692.0 02 52.2 61.1 56.3 0 020 20.1 25 020 0.0 2 689.6 BS 03 58.9 63.9 61.5 0 020 19.0 24 360 0.0 2 687.0 BS 04 56.1 62.2 57.4 T 020 20.4 23 020 0.0 6 687.3 SGBS 05 55.0 58.3 56.9 0 050 17.0 23 050 0.0 3 683.7 06 56.7 65.0 61.6 0 090 15.4 22 070 0.0 1 679.1 07 55.6 61.7 59.2 T 020 21.9 25 020 0.0 2 682.6 SGBS 08 42.0 56.1 46.6 T 020 29.1 37 020 0.0 8 669.5 SGBS 09 44.4 50.6 47.7 T 020 24.7 31 360 0.0 7 676.7 SGBS 10 48.9 62.8 57.7 T 110 12.4 21 020 0.0 6 675.7 11 61.7 65.0 63.1 0 050 14.7 20 050 0.0 2 676.7 12 52.2 62.8 58.8 T 020 21.8 27 020 0.0 7 679.8 SGBS 13 47.5 52.2 50.0 T 020 23.8 29 360 0.0 7 684.2 SGBS 14 44.8 52.2 47.2 T 020 27.2 31 020 0.0 7 683.1 SGBS 15 44.2 51.7 48.0 T 360 27.7 33 360 0.0 5 684.3 SGBS 16 45.0 54.4 48.9 0 050 26.7 33 020 0.0 6 681.8 BS 17 52.8 61.1 55.6 0 050 17.8 25 050 0.0 4 681.8 18 60.6 64.4 62.6 0 070 13.5 16 110 0.0 2 681.2 19 60.0 65.0 62.7 0 070 11.9 18 050 0.0 4 681.1 20 60.6 65.6 63.1 0 050 14.1 20 050 0.0 4 681.8 21 52.2 61.1 55.7 T 360 22.9 28 360 M 8 683.1 22 45.6 54.4 49.1 T 360 24.1 30 360 M 8 684.3 SGBS 23 46.1 53.3 50.5 0 020 25.1 29 020 M 5 685.4 BS 24 38.9 50.0 44.1 T 020 29.0 33 020 M 6 673.5 SGBS 25 40.0 46.7 42.3 T 360 21.7 31 360 M 8 670.8 SGBS 26 45.0 50.6 47.3 T 360 24.0 29 360 M 8 679.2 SGBS 27 45.3 51.1 48.6 T 020 23.1 32 360 M 8 672.0 SGBS 28 49.4 53.9 53.3 0 020 17.1 21 020 M 3 671.0 29 52.2 54.4 53.3 0 020 19.0 23 020 M 7 670.5 30 52.2 56.7 54.9 T 020 19.5 23 020 M 6 671.5 AVG 50.8 57.9 54.3 T 020 20.7 37 020 M 5 680.0 8th AVG MONTHLY -54.3 PCPN TRACE NR DAYS CLEAR 07 HIGHEST -38.9 ON 24th SUNSHINE M PARTLY CLOUDY 12 LOWEST -67.2 ON 1st CLOUDY 11 HIGH PRESSURE 694.5 ON 1st LOW PRESSURE 666.6 ON 8th NET CHANGE IN SNOWSTAKE FIELD: +1.50 inches Sunrise occurred at 1514UTC on day 21. Sunrise based on US Naval Observatory time. Insufficient Data available for Sunshine Hours Computation. 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. 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 Avg Wnd Spd Avg Press Min T 57.9 57.8 Max Press Fastest Wnd MPH Avg T 54.5 54.3 Min Press Changes to Daily Data: Max Temp Day 8 13 14 15 27 From: 42.2 47.8 45.0 44.4 45.6 To: 42.0 47.5 44.8 44.2 45.3 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 14 15 From: 62.8 56.7 61.7 59.4 56.7 61.1 58.9 49.4 47.8 56.1 63.3 57.8 48.9 48.3 To: 64.4 56.3 61.5 57.4 56.9 61.6 59.2 46.6 47.7 57.7 63.1 58.8 47.2 48.0 Day 16 17 18 19 20 21 22 23 24 25 26 27 28 30 From: 50.0 57.2 62.8 62.8 63.3 56.7 50.0 50.0 44.4 43.3 47.8 48.3 51.7 54.4 To: 48.9 55.6 62.6 62.7 63.1 55.7 49.1 50.5 44.1 42.3 47.3 48.6 53.3 54.9 Number of NCDC observations per day: 8