***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1964 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 53.9 60.6 56.6 0 020 25.3 29 030 0.0 0 668.5 02 49.2 53.9 50.5 0 360 25.3 31 360 0.0 0 673.6 03 47.0 50.6 48.5 0 360 17.3 21 360 0.0 1 683.9 04 45.0 48.9 46.9 0 010 15.0 21 020 0.0 2 690.3 05 44.2 52.8 47.3 0 010 18.4 22 020 0.0 2 693.6 06 50.9 58.3 53.9 0 020 20.7 22 020 0.0 0 696.9 07 54.4 60.6 58.0 0 360 13.8 18 020 0.0 0 707.1 08 51.4 53.9 53.6 0 060 10.4 16 010 0.0 0 709.8 09 53.9 60.0 57.3 0 090 13.8 17 010 0.0 0 697.9 10 57.8 65.6 62.2 0 050 4.6 9 080 0.0 0 693.9 11 62.2 67.8 65.8 0 100 6.9 12 040 0.0 0 686.9 12 63.9 69.4 67.0 T 110 8.1 14 090 0.0 3 689.6 13 60.0 68.3 64.5 0 060 13.8 17 060 0.0 0 687.5 14 49.2 60.0 53.8 0 040 19.6 27 040 0.0 2 678.7 15 50.6 57.8 55.0 0 020 23.0 27 040 0.0 0 676.3 16 57.8 60.6 59.8 0 010 19.6 24 010 0.0 0 679.8 17 56.1 61.1 59.5 0 030 19.6 23 070 0.0 0 681.1 18 50.3 57.2 53.0 0 010 18.4 25 020 0.0 0 684.2 19 50.3 55.6 53.5 0 010 23.0 25 360 0.0 3 684.0 20 53.3 57.2 55.2 0 360 18.4 21 010 0.0 1 687.1 21 42.0 55.6 47.2 0 360 20.7 26 360 0.0 6 693.6 22 38.3 43.9 40.7 0 340 26.5 30 350 0.0 8 703.2 23 37.5 46.1 42.3 0 350 19.6 25 340 0.0 8 712.2 24 43.9 52.8 49.6 0 020 19.6 30 340 0.0 2 699.8 25 49.7 57.2 54.6 0 020 13.8 18 020 0.0 0 705.9 26 39.8 48.9 42.8 0 010 19.6 28 360 0.0 6 705.8 27 44.4 49.4 46.3 0 010 20.7 28 010 0.0 4 703.1 28 49.4 56.7 52.6 0 060 12.7 16 020 0.0 0 697.1 29 57.2 60.6 59.2 0 050 8.1 13 010 0.0 1 691.3 30 57.2 61.7 59.0 0 050 4.6 9 020 0.0 2 690.2 AVG 50.7 57.1 53.9 T 010 16.7 31 360 0.0 2 691.8 2nd AVG MONTHLY -53.9 PCPN TRACE NR DAYS CLEAR 23 HIGHEST -37.5 ON 23rd SUNSHINE 0.0/ 0% PARTLY CLOUDY 05 LOWEST -69.4 ON 12th CLOUDY 02 HIGH PRESSURE 714.2 ON 23rd LOW PRESSURE 667.3 ON 1st NET CHANGE IN SNOWSTAKE FIELD: +0.01 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. All wind and pressure data taken from original LCD unless otherwise indicated. Changed Extremes: From To Max T -37.8 -37.5 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 50.9 50.7 Avg Wnd Spd Avg Press 691.2 691.8 Min T Max Press 714.0 714.2 Fastest Wnd MPH Avg T 54.0 53.9 Min Press Changes to Daily Data: Max Temp Day 2 3 5 6 7 8 14 18 19 21 23 25 26 From: 50.6 47.2 44.4 51.1 55.0 51.7 49.4 50.6 50.6 42.2 37.8 50.0 40.0 To: 49.2 47.0 44.2 50.9 54.4 51.4 49.2 50.3 50.3 42.0 37.5 49.7 39.8 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 57.2 52.2 48.9 46.7 48.3 54.4 57.8 52.8 57.2 61.7 65.0 66.7 64.4 55.0 54.4 To: 56.6 50.5 48.5 46.9 47.3 53.9 58.0 53.6 57.3 62.2 65.8 67.0 64.5 53.8 55.0 Day 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 59.4 58.3 53.9 53.3 55.6 48.9 41.1 41.7 48.3 53.9 44.4 48.3 53.3 58.9 59.4 To: 59.8 59.5 53.0 53.5 55.2 47.2 40.7 42.3 49.6 54.6 42.8 46.3 52.6 59.2 59.0 Fast MPH Day 1 8 29 From: 28 15 12 To: 29 16 13 Avg Press Day 2 4 25 26 27 28 From: 667.2 681.2 679.1 688.7 709.5 696.2 To: 673.6 690.3 705.9 705.8 703.1 697.1 Number of NCDC observations per day: 8