***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1963 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 46.1 56.1 49.1 T 360 14.7 21 360 0.0 6 681.5 02 50.3 54.4 52.4 0 020 13.4 21 020 0.0 5 682.2 03 51.1 60.6 56.1 T 020 8.5 17 360 0.0 4 674.4 04 56.7 60.6 58.5 T 020 17.2 24 360 0.0 5 676.4 05 47.0 57.2 49.7 T 340 20.8 29 340 0.0 8 676.9 SGBS 06 50.6 63.9 59.5 T 360 6.9 15 360 0.0 2 679.9 07 49.2 59.4 52.0 T 050 2.1 9 050 0.0 8 676.4 08 51.4 59.4 54.8 T 050 7.9 12 020 0.0 6 675.8 09 52.8 67.2 61.6 T 360 11.1 30 360 0.0 3 683.6 SGBS 10 36.1 52.8 40.0 T 270 28.2 42 270 0.0 8 690.8 SGBS 11 37.8 42.8 40.4 T 270 13.0 23 270 0.0 8 692.2 12 42.8 53.9 50.7 T 110 12.8 18 110 0.0 3 688.0 13 34.2 53.3 44.8 .01 200 4.5 10 140 0.0 6 685.7 14 30.9 47.2 37.3 .04 180 9.2 15 180 0.0 6 686.8 15 47.2 57.8 54.2 0 050 13.1 18 050 0.0 1 684.7 16 55.6 62.2 59.4 0 070 13.4 17 070 0.0 0 686.3 17 61.1 66.7 64.3 0 090 16.3 18 090 0.0 0 687.7 18 60.6 67.2 64.3 0 090 17.8 21 090 0.0 0 679.3 19 59.4 63.3 61.7 0 090 18.1 21 070 0.0 1 669.5 20 58.3 65.0 61.6 T 020 15.0 20 070 0.0 1 673.6 21 61.7 70.6 67.2 T 090 17.3 21 070 0.0 0 682.1 22 60.0 70.0 65.8 0 070 18.9 21 050 0.0 0 685.6 23 49.7 60.0 52.6 T 020 20.3 23 020 0.0 6 684.8 24 52.2 59.4 55.4 T 050 20.8 28 020 0.0 2 675.2 25 52.8 55.6 54.6 T 360 25.5 28 360 0.0 2 673.4 BS 26 55.6 62.2 59.2 0 070 15.9 21 020 0.0 0 670.2 27 52.8 62.2 56.1 0 020 17.7 23 020 0.0 0 675.6 28 51.1 55.0 53.5 0 020 21.5 27 020 0.0 1 673.5 29 51.4 61.1 56.8 0 050 18.9 29 020 0.0 2 670.3 30 57.2 62.8 59.5 T 360 19.1 23 360 0.0 2 668.6 AVG 50.8 59.7 55.1 T 020 15.3 42 270 0.0 3 679.7 10th AVG MONTHLY -55.1 PCPN 0.05 inches NR DAYS CLEAR 16 HIGHEST -30.9 ON 14th SUNSHINE 0.0/ 0% PARTLY CLOUDY 10 LOWEST -70.6 ON 21st CLOUDY 04 HIGH PRESSURE 694.5 ON 11th LOW PRESSURE 665.4 ON 30th NET CHANGE IN SNOWSTAKE FIELD: +0.90 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. Prevailing and peak wind direction converted from cardinal direction to degrees. Changed Extremes: From To Max T -31.1 -30.9 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 50.9 50.8 Avg Wnd Spd Avg Press Min T Max Press Fastest Wnd MPH Avg T 55.4 55.1 Min Press Changes to Daily Data: Max Temp Day 2 5 7 8 13 14 23 29 From: 50.6 47.2 49.4 51.7 34.4 31.1 50.0 51.7 To: 50.3 47.0 49.2 51.4 34.2 30.9 49.7 51.4 Min Temp No Daily Changes Avg Temp Day 1 2 4 5 6 7 8 9 10 11 12 13 14 15 From: 51.1 52.8 58.9 52.2 57.2 54.4 55.6 60.0 44.4 40.6 48.3 43.9 39.4 52.8 To: 49.1 52.4 58.5 49.7 59.5 52.0 54.8 61.6 40.0 40.4 50.7 44.8 37.3 54.2 Day 16 17 18 20 21 22 23 24 25 26 27 28 29 30 From: 58.9 63.9 63.9 61.7 66.1 65.0 55.0 56.1 54.4 58.9 57.8 53.3 56.7 60.0 To: 59.4 64.3 64.3 61.6 67.2 65.8 52.6 55.4 54.6 59.2 56.1 53.5 56.8 59.5 Number of NCDC observations per day: 8