***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1995 MONTH APRIL .... ALL TEMPERATURES MINUS C.... DAY TEMPERATURE C PCPN AVG WIND FASTEST SUN SKY STN WX MAX MIN AVG SPEED MILE SHINE COVER PRESS DIR MPH SPD DIR HRS 1 45.4 50.7 47.8 0 020 17.6 30 050 0.0 6 686.7 BS 2 45.2 50.7 48.2 0 020 15.7 28 010 0.0 5 691.6 BS 3 44.7 51.8 47.7 T 010 20.1 30 360 0.0 7 689.8 SG,BS 4 46.9 56.9 51.3 T 020 17.8 29 010 0.0 6 690.7 SG,BS 5 54.7 63.8 60.2 0 070 13.1 20 040 0.0 2 685.1 BS 6 52.0 60.7 55.8 0 040 15.5 22 060 0.0 4 680.2 BS 7 48.3 66.6 56.7 0 060 13.4 22 040 0.0 4 674.9 BS 8 51.2 67.9 57.4 0 010 14.2 20 010 0.0 6 684.3 BS 9 53.3 60.9 57.5 0 070 12.8 21 050 0.0 2 690.4 BS 10 52.5 61.7 58.0 0 060 13.2 20 080 0.0 2 687.7 BS 11 58.6 64.6 61.9 0 090 10.1 16 070 0.0 2 682.7 BS 12 45.7 60.1 52.3 T 010 11.7 22 360 0.0 5 680.0 SG,BS 13 51.6 58.0 56.0 T 110 15.6 21 110 0.0 2 680.0 SG,BS 14 53.3 65.1 59.9 0 100 14.3 22 100 0.0 2 675.3 BS 15 60.5 65.9 64.6 0 070 12.7 17 070 0.0 3 670.3 BS 16 60.1 67.0 65.1 0 070 13.9 18 070 0.0 2 666.6 BS 17 58.0 68.9 63.6 0 080 14.0 18 060 0.0 2 664.0 BS 18 65.1 72.0 69.6 0 070 11.7 17 060 0.0 2 667.2 BS 19 62.0 70.0 66.5 0 070 13.6 18 090 0.0 1 661.9 BS 20 57.2 68.9 64.8 T 030 7.7 14 070 0.0 2 661.3 IC,BS 21 65.6 72.5 68.9 T 040 6.5 12 110 0.0 3 670.2 IC 22 67.3 73.5 70.5 T 120 11.4 17 120 0.0 0 666.1 IC,BS 23 63.2 74.8 69.6 T 060 10.6 15 060 0.0 4 664.4 IC,BS 24 61.9 71.7 67.8 T 050 11.4 18 030 0.0 1 667.0 IC,BS 25 57.6 70.4 62.9 T 020 11.7 21 350 0.0 3 667.7 IC,BS 26 50.6 57.8 53.3 T 350 19.1 24 340 0.0 6 677.4 SG,IC,BS 27 45.6 57.2 52.2 T 350 22.5 34 340 0.0 6 683.5 SG,BS 28 44.1 51.2 46.7 T 340 24.0 35 330 0.0 6 683.6 SG,BS 29 46.7 51.8 49.1 0 340 23.7 32 010 0.0 5 682.9 BS 30 44.9 52.0 47.1 0 360 22.2 32 360 0.0 6 686.1 BS AVG 53.8 62.8 58.4 T 070 14.7 35 330 0.0 4 677.3 28th AVG MONTHLY -58.4 PCPN TRACE NR DAYS CLEAR 13 HIGHEST -44.1 ON 28th SUNSHINE 0.0/ 0% PARTLY CLOUDY 16 LOWEST -74.8 ON 23rd CLOUDY 01 HIGH PRESSURE 692.1 ON 2nd LOW PRESSURE 656.7 ON 20th NET CHANGE IN SNOWSTAKE FIELD: +1.44 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 Old LCD and Corrected LCD. All Sky Cover changed to Octas. All temperature, wind, and pressure data taken from hourly observations. LCD data originally reported in NZST. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 53.2 53.8 Avg Wnd Spd 14.6 14.7 Avg Press Min T 62.7 62.8 Max Press Fastest Wnd MPH Avg T 58.0 58.4 Min Press Changes to Daily Data: All daily data changed to reflect values reported with respect to UTC.