***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1963 MONTH OCTOBER ....... 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 54.4 60.0 56.3 T 360 18.3 21 020 M 6 679.9 02 42.0 57.8 51.3 T 360 19.9 23 360 M 8 683.7 03 35.3 42.2 36.9 T 290 24.3 32 290 M 8 686.9 SGBS 04 36.1 45.6 42.6 T 020 18.9 28 020 M 5 694.3 BS 05 37.8 43.3 40.6 0 020 25.8 32 020 M 8 694.7 BS 06 39.4 44.4 41.4 T 020 23.7 29 020 M 8 688.6 SGBS 07 40.6 53.9 49.2 T 070 14.9 28 020 M 3 678.3 BS 08 53.3 57.2 55.1 T 090 12.6 15 050 M 0 674.2 09 56.1 58.3 57.3 T 090 11.0 14 110 M 1 676.3 10 55.0 58.3 56.6 T 090 13.0 17 090 M 0 676.8 11 51.7 58.9 56.0 T 050 17.8 24 020 M 3 674.0 BS 12 45.9 52.8 49.7 0 360 20.0 23 360 M 8 675.6 13 46.1 52.8 50.3 0 360 16.0 21 360 M 6 678.4 14 51.1 55.6 53.4 T 090 12.9 15 070 M 2 676.4 15 49.7 52.8 51.3 0 110 16.3 21 110 M 0 672.5 16 52.2 56.7 55.3 0 110 12.4 15 110 M 0 670.6 17 55.6 58.3 57.2 0 110 11.8 16 110 M 0 669.7 18 56.7 59.4 57.4 0 090 11.9 16 090 M 0 668.0 19 56.7 58.9 57.5 T 070 15.9 18 050 M 2 667.1 20 55.6 57.2 56.2 0 020 19.8 22 020 M 4 667.1 21 55.6 57.2 56.5 T 020 16.8 18 020 M 7 666.8 22 52.8 57.8 56.0 T 020 18.1 21 360 M 6 665.0 23 48.1 52.8 50.5 0 360 17.2 22 360 M 8 665.5 24 44.2 48.3 45.5 0 340 21.3 27 340 M 8 668.8 BSIF 25 44.4 49.4 47.0 T 340 17.1 21 340 M 8 673.2 26 44.2 51.1 47.6 T 360 14.6 17 320 M 8 675.4 27 44.4 51.7 49.2 0 360 16.5 20 360 M 4 678.5 28 44.2 51.7 46.5 0 360 12.8 18 360 M 8 678.5 29 45.0 48.3 46.6 0 020 14.3 17 050 M 7 674.3 30 47.0 50.0 48.8 0 090 15.4 18 090 M 0 674.7 31 47.0 48.9 47.7 0 090 15.2 18 090 M 0 681.3 AVG 48.0 53.3 50.8 T 360 16.7 32 020 M 4 676.0 3rd,5th AVG MONTHLY -50.8 PCPN TRACE NR DAYS CLEAR 11 HIGHEST -35.3 ON 3rd SUNSHINE M PARTLY CLOUDY 08 LOWEST -60.0 ON 1st CLOUDY 12 HIGH PRESSURE 695.9 ON 4th LOW PRESSURE 663.4 ON 19th NET CHANGE IN SNOWSTAKE FIELD: +1.80 inches 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 Extremes: From To Max T -35.6 -35.3 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 48.1 48.0 Avg Wnd Spd Avg Press Min T Max Press Fastest Wnd MPH Avg T Min Press 664.6 663.4 Changes to Daily Data: Max Temp Day 2 3 12 15 23 24 26 28 30 31 From: 42.2 35.6 46.1 50.0 48.3 44.4 44.4 44.4 47.2 47.2 To: 42.0 35.3 45.9 49.7 48.1 44.2 44.2 44.2 47.0 47.0 Min Temp No Daily Chagnes Avg Temp Day 1 2 3 4 6 7 8 9 10 11 12 13 14 15 16 From: 57.2 50.0 38.9 41.1 42.2 47.2 55.6 57.2 56.7 55.6 49.4 49.4 53.3 51.7 54.4 To: 56.3 51.3 36.9 42.6 41.4 49.2 55.1 57.3 56.6 56.0 49.7 50.3 53.4 51.3 55.3 Day 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 58.3 57.8 56.7 56.7 55.6 50.6 46.7 47.2 47.8 48.3 48.3 46.7 48.9 48.3 To: 57.4 57.5 56.2 56.5 56.0 50.5 45.5 47.0 47.6 49.2 46.5 46.6 48.8 47.7 Number of NCDC observations per day: 8