***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1965 MONTH MARCH ....... 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 47.2 51.1 48.9 0 050 13.8 21 050 24.0 0 694.9 IF 02 46.7 52.2 50.7 0 040 14.6 21 040 24.0 0 693.9 IF 03 49.4 52.8 50.3 0 020 15.5 21 020 23.0 0 692.5 IF,BS 04 45.0 51.1 46.4 0 010 18.9 25 020 1.0 8 691.2 IF,BS 05 46.1 53.9 49.6 0 050 13.1 21 010 10.0 8 691.2 IF 06 52.2 54.4 53.4 0 020 13.4 21 020 11.0 6 689.5 IF 07 36.4 52.8 45.2 0 360 22.9 36 320 0.0 8 689.8 IF+,BS 08 33.9 37.8 35.2 T 300 17.8 33 310 0.0 8 693.5 IF 09 35.6 44.4 41.0 T 010 14.8 21 310 0.0 8 696.6 IF 10 44.4 52.2 49.1 0 060 14.6 21 060 5.0 3 690.8 IF 11 47.5 55.0 51.2 0 040 13.7 23 360 7.0 6 685.1 IF+ 12 41.4 47.8 44.2 0 350 20.7 27 350 10.0 8 684.7 IF+,BS 13 39.4 45.6 42.2 0 340 20.3 25 330 0.0 8 684.7 IF+, 14 42.0 47.8 44.2 T 340 16.1 23 330 0.0 3 685.1 IF 15 41.1 51.7 46.3 T 020 10.9 18 020 12.0 6 686.1 IF 16 42.2 49.4 45.6 T 360 15.5 20 350 3.0 7 679.3 IF,BS 17 42.8 46.1 44.3 T 360 22.6 28 350 0.0 8 675.2 IF+,BS 18 43.9 47.2 45.9 0 010 20.5 28 010 0.0 8 675.2 IF,BS 19 46.1 49.4 47.8 0 020 23.1 30 020 0.0 8 672.2 IF+,BS 20 50.0 57.8 54.9 0 030 14.9 25 020 0.0 6 668.5 IF,BS 21 57.2 62.8 59.3 0 090 10.1 15 080 0.0 4 668.1 IF 22 62.2 65.6 64.4 0 100 11.0 17 090 0.0 1 668.5 IF,BS 23 65.6 68.3 67.2 0 100 10.3 15 100 0.0 0 666.8 24 64.4 68.9 67.3 0 080 8.3 15 080 0.0 2 667.8 25 62.8 66.7 64.6 0 010 6.8 12 020 0.0 5 668.8 26 57.2 65.6 60.1 0 010 11.9 20 360 0.0 6 668.1 IF,BS 27 55.0 60.6 57.8 T 010 14.0 18 010 0.0 6 669.2 IF 28 60.0 64.4 62.3 0 020 12.4 18 020 0.0 3 669.5 IF 29 52.8 66.7 61.1 0 080 7.2 14 030 0.0 6 670.5 30 49.7 57.2 53.6 T 360 14.6 24 360 0.0 8 665.1 IF,BS 31 52.8 57.8 55.2 T 350 15.8 23 360 0.0 7 667.8 IF AVG 48.8 55.0 51.9 T 010 14.8 36 320 5.9 5 679.7 7th AVG MONTHLY -51.9 PCPN TRACE NR DAYS CLEAR 06 HIGHEST -33.9 ON 8th SUNSHINE 130.0/ 25% PARTLY CLOUDY 12 LOWEST -68.9 ON 24th CLOUDY 13 HIGH PRESSURE 696.9 ON 8th, 9th LOW PRESSURE 663.1 ON 30th NET CHANGE IN SNOWSTAKE FIELD: M SNOWSTAKE DATA NOT AVAILABLE. Sunset occurred at 2239UTC on day 22. Sunset based on US Naval Observatory time. 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 48.9 48.8 Avg Wnd Spd Avg Press 679.8 679.7 Min T Max Press 000.0 696.9 Fastest Wnd MPH Avg T 52.0 51.9 Min Press 000.0 663.1 Changes to Daily Data: Max Temp Day 7 11 12 14 30 From: 36.7 47.8 41.7 42.2 50.0 To: 36.4 47.5 41.4 42.0 49.7 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 From: 49.4 49.4 51.1 47.8 50.0 53.3 45.0 36.1 40.0 47.8 51.7 45.0 42.8 45.0 To: 48.9 50.7 50.3 46.4 49.6 53.4 45.2 35.2 41.0 49.1 51.2 44.2 42.2 44.2 Day 15 16 17 18 20 21 22 24 25 26 28 29 30 31 From: 46.7 46.1 44.4 45.6 53.9 60.0 63.9 66.7 65.0 61.7 62.2 60.0 53.9 55.6 To: 46.3 45.6 44.3 45.9 54.9 59.3 64.4 67.3 64.6 60.1 62.3 61.1 53.6 55.2 Avg MPH Day 8 10 17 29 From: 19.1 13.6 21.3 8.1 To: 17.8 14.6 22.6 7.2 Number of NCDC observations per day: 8