***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1963 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 41.1 45.0 42.9 T 020 15.4 18 360 M 8 674.4 02 43.3 47.2 45.5 T 050 16.5 22 050 M 6 675.6 03 44.8 51.1 46.3 0 050 19.0 25 050 M 0 673.2 04 50.6 53.9 52.0 T 070 13.0 16 070 M 3 678.1 05 51.1 55.6 53.9 0 090 12.9 16 110 M 2 682.3 06 55.6 58.3 56.7 0 090 11.7 17 090 M 0 675.2 07 51.4 57.8 55.8 T 090 14.0 17 090 M 2 672.5 08 48.1 55.0 50.6 .01 050 16.0 21 020 M 6 676.0 09 48.9 52.8 51.2 T 360 18.9 22 360 M 6 678.9 10 52.8 55.6 54.0 T 020 14.8 21 020 M 5 683.6 11 53.9 58.3 57.2 T 070 13.6 16 070 M 5 683.6 12 57.2 59.4 57.7 T 070 11.6 16 070 M 5 678.3 13 54.4 59.4 56.7 T 360 12.6 16 360 M 7 678.6 14 47.2 58.3 51.4 .03 360 10.5 20 360 M 8 681.6 15 43.6 47.8 44.7 T 340 21.7 28 340 M 8 681.8 BSIF 16 44.8 48.3 46.8 T 360 20.3 25 360 M 7 681.8 BS 17 45.6 53.9 50.8 T 020 21.3 25 360 M 2 685.6 BS 18 47.8 53.9 50.4 T 090 22.6 27 090 M 2 678.6 19 49.2 57.2 53.7 T 070 19.9 23 070 M 5 675.9 20 46.4 52.2 49.3 T 020 22.3 25 020 M 6 679.2 21 45.3 52.8 48.8 .01 020 18.0 23 020 M 6 679.3 22 48.9 57.8 54.0 T 050 15.7 20 020 M 6 680.8 23 54.4 61.7 59.3 0 070 13.3 18 050 0.0 0 679.3 24 60.0 63.9 62.3 0 090 13.4 18 090 0.0 1 678.7 25 61.1 64.4 62.8 0 070 13.4 16 090 0.0 1 680.0 26 59.7 64.4 62.6 0 090 14.7 16 090 0.0 2 680.7 27 63.3 65.6 64.4 0 110 12.9 16 110 0.0 1 682.0 28 55.3 65.0 59.1 0 090 16.1 25 090 0.0 1 678.6 29 48.9 63.3 57.1 0 090 16.0 27 090 0.0 2 668.6 30 62.5 66.1 64.1 0 090 9.9 15 090 0.0 4 669.8 31 57.2 62.8 60.1 T 020 9.6 13 020 0.0 7 678.0 AVG 51.4 57.1 54.3 T 090 15.5 28 340 M 4 678.4 15th AVG MONTHLY -54.3 PCPN 0.05 inches NR DAYS CLEAR 13 HIGHEST -41.1 ON 1st SUNSHINE 0.0/ 0% PARTLY CLOUDY 12 LOWEST -66.1 ON 30th CLOUDY 06 HIGH PRESSURE 687.1 ON 17th LOW PRESSURE 667.3 ON 29th NET CHANGE IN SNOWSTAKE FIELD: -1.40 inches Sunset occurred at 1052UTC on day 23. Sunset 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 51.5 51.4 Avg Wnd Spd 15.6 15.5 Avg Press Min T Max Press Fastest Wnd MPH Avg T Min Press Changes to Daily Data: Max Temp Day 3 7 8 15 16 19 20 21 26 28 30 From: 45.0 51.7 48.3 43.9 45.0 49.4 46.7 45.6 60.0 55.6 62.8 To: 44.8 51.4 48.1 43.6 44.8 49.2 46.4 45.3 59.7 55.3 62.5 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 43.3 45.6 48.3 52.2 53.3 57.2 55.0 51.7 51.1 54.4 56.1 58.3 57.2 52.8 46.1 To: 42.9 45.5 46.3 52.0 53.9 56.7 55.8 50.6 51.2 54.0 57.2 57.7 56.7 51.4 44.7 Day 16 17 18 19 20 21 22 23 24 26 28 29 30 31 From: 46.7 50.0 51.1 53.3 49.4 49.4 53.3 58.3 62.2 62.2 60.6 56.1 64.4 60.0 To: 46.8 50.8 50.4 53.7 49.3 48.8 54.0 59.3 62.3 62.6 59.1 57.1 64.1 60.1 Number of NCDC observations per day: 8