***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1965 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 50.3 61.1 55.9 0 350 15.3 24 350 0.0 6 690.3 BS 02 50.0 66.7 57.6 T 340 9.7 18 320 0.0 0 687.8 03 55.0 68.1 61.6 0 090 5.8 12 100 0.0 4 682.6 04 45.3 57.2 47.2 T 340 8.4 15 330 0.0 8 678.1 05 46.1 53.3 51.1 T 360 14.5 21 360 0.0 4 683.1 BS 06 53.3 56.1 54.9 0 020 16.5 23 020 0.0 2 684.4 BS 07 56.1 61.7 58.9 0 050 13.8 21 030 0.0 0 679.8 BS 08 60.6 66.7 64.7 0 040 10.5 16 040 0.0 0 685.0 09 62.8 65.0 64.3 0 070 12.1 16 080 0.0 0 689.8 10 53.9 62.8 58.2 0 050 18.5 25 040 0.0 0 687.0 BS 11 43.9 56.1 50.6 0 010 18.1 29 020 0.0 0 680.3 BS 12 56.1 61.1 59.3 T 030 14.0 21 010 0.0 0 682.3 13 55.0 63.3 59.8 T 060 14.4 23 070 0.0 2 678.6 14 59.4 65.0 62.2 T 030 14.5 20 020 0.0 0 672.6 15 60.0 66.7 64.4 0 060 14.3 21 030 0.0 0 666.3 16 57.2 60.0 58.4 0 010 20.2 27 020 0.0 0 664.2 BS 17 56.7 58.9 57.8 0 010 21.9 27 020 0.0 0 667.6 BS 18 56.1 60.0 58.3 0 010 21.2 29 010 0.0 0 671.4 BS 19 53.3 56.7 54.8 0 010 21.0 28 010 0.0 0 678.8 BS 20 48.3 55.0 51.4 0 020 22.4 30 010 0.0 4 683.7 BS 21 51.7 56.1 54.0 0 030 20.1 32 020 0.0 1 686.0 BS 22 54.4 63.3 58.8 0 090 17.0 27 020 0.0 0 689.5 BS 23 52.2 60.0 56.0 0 020 17.2 27 020 0.0 2 685.6 BS 24 50.9 58.9 56.6 0 010 20.4 29 010 0.0 2 687.9 BS 25 43.9 51.1 47.6 0 360 20.2 28 360 0.0 6 692.3 BS 26 45.0 53.3 48.5 0 360 13.3 21 010 0.0 6 701.2 27 45.0 51.1 48.0 T 040 11.7 16 020 0.0 2 698.8 28 48.3 58.3 53.4 0 100 16.3 25 100 0.0 0 686.6 29 55.6 58.9 57.2 0 020 16.8 24 040 0.0 0 686.5 30 56.1 58.3 56.5 0 030 18.1 24 010 0.0 0 683.6 BS 31 56.1 58.3 57.4 0 010 18.8 25 010 0.0 0 675.6 BS AVG 52.9 59.6 56.3 T 010 16.0 32 020 0.0 2 682.8 21st AVG MONTHLY -56.3 PCPN TRACE NR DAYS CLEAR 24 HIGHEST -43.9 ON 11th SUNSHINE 0.0/ 0% PARTLY CLOUDY 06 LOWEST -68.1 ON 3rd CLOUDY 01 HIGH PRESSURE 702.3 ON 26th LOW PRESSURE 663.7 ON 16th NET CHANGE IN SNOWSTAKE FIELD: +1.4 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 -43.6 -43.9 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T Avg Wnd Spd Avg Press Min T 59.7 59.6 Max Press 702.2 702.3 Fastest Wnd MPH Avg T 56.4 56.3 Min Press Changes to Daily Data: Max Temp Day 1 4 11 24 From: 50.6 45.6 43.6 51.1 To: 50.3 45.3 43.9 50.9 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 8 9 10 11 12 13 15 From: 56.1 58.3 61.7 51.7 50.0 55.0 63.9 63.9 58.3 50.0 58.9 59.4 63.3 To: 55.9 57.6 61.6 47.2 51.1 54.9 64.7 64.3 58.2 50.6 59.3 59.8 64.4 Day 16 19 20 21 22 23 24 25 26 27 28 30 31 From: 58.9 55.0 51.7 53.9 58.9 56.1 55.0 47.8 49.4 47.8 53.3 57.2 57.2 To: 58.4 54.8 51.4 54.0 58.8 56.0 56.6 47.6 48.5 48.0 53.4 56.5 57.4 Avg MPH Day 10 12 15 27 29 From: 17.3 15.0 13.1 10.7 17.9 To: 18.5 14.0 14.3 11.7 16.8 Number of NCDC observations per day: 8