***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1960 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 56.7 60.6 58.6 T 070 13.2 23 070 M 2 682.7 02 54.4 59.4 56.8 T 050 15.9 23 070 M 4 680.2 03 55.6 63.9 59.9 T 090 14.0 21 070 M 0 677.1 04 56.7 63.3 60.5 T 070 7.4 14 090 M 6 677.3 05 48.9 60.6 53.1 T 020 6.8 16 020 M 8 680.8 06 48.9 54.4 51.0 T 020 14.7 20 020 M 6 683.7 07 46.1 51.7 49.1 T 020 12.7 17 020 M 7 686.6 08 46.1 52.2 49.6 T 050 15.0 21 020 M 3 686.1 09 49.4 58.9 53.6 T 070 14.2 22 050 M 2 684.4 10 57.8 65.0 61.6 T 110 13.0 21 110 M 0 679.6 11 59.4 65.6 63.4 T 110 14.4 25 110 M 0 671.5 12 50.0 59.4 53.4 T 110 17.4 23 110 M 6 670.8 13 51.1 57.2 54.0 T 050 15.9 23 050 M 1 671.0 14 53.9 56.7 55.5 T 050 15.8 24 020 M 4 667.1 15 43.9 56.7 51.2 T 020 22.7 30 020 M 6 671.5 IFBS 16 42.2 50.0 45.9 T 360 15.7 25 360 M 4 672.9 17 47.8 50.6 49.7 T 020 15.5 21 360 M 6 673.0 18 46.7 51.1 49.1 T 360 18.2 23 360 M 6 676.4 19 49.4 51.1 50.4 T 020 19.5 27 020 M 4 676.9 20 51.1 52.2 51.9 T 020 16.7 24 020 M 1 676.4 21 50.6 53.9 52.0 T 020 20.5 25 020 M 6 677.3 22 48.9 51.7 50.5 T 020 12.9 22 360 M 3 681.5 23 47.8 52.2 49.4 T 020 10.6 17 020 M 6 680.7 24 48.3 54.4 51.5 T 020 16.5 25 360 M 4 673.9 IFBS 25 47.2 49.4 48.1 T 360 21.4 30 360 M 8 673.7 IFBS 26 48.3 51.7 50.6 T 020 13.2 22 360 M 6 675.9 27 47.8 51.7 50.7 T 020 17.0 24 360 M 6 672.0 28 45.6 49.4 47.1 T 360 17.6 23 360 M 8 673.6 29 46.1 51.1 49.5 T 020 10.7 16 360 M 5 677.4 30 38.3 47.2 44.0 T 360 15.3 25 360 M 7 680.8 IFBS 31 36.7 43.3 39.7 T 360 17.5 24 360 M 8 683.7 AVG 49.1 54.7 52.0 T 020 15.2 30 360 M 5 677.3 15th,25th AVG MONTHLY -52.0 PCPN TRACE NR DAYS CLEAR 07 HIGHEST -36.7 ON 31st SUNSHINE M PARTLY CLOUDY 18 LOWEST -65.6 ON 11th CLOUDY 06 HIGH PRESSURE 687.1 ON 7th LOW PRESSURE 665.9 ON 14th NET CHANGE IN SNOWSTAKE FIELD: M SNOWSTAKE DATA NOT AVAILABLE. 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. Wind speed converted from knots to MPH. 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 Avg Wnd Spd 15.4 15.2 Avg Press 677.4 677.3 Min T Max Press 690.8 687.1 Fastest Wnd MPH Avg T 51.9 52.0 Min Press Changes to Daily Data: Max Temp No Daily Changes Min Temp Day 1 24 30 From: 60.0 53.9 46.1 To: 60.6 54.4 47.2 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 58.3 56.9 59.7 60.0 54.7 51.7 48.9 49.2 54.2 61.4 62.5 54.7 54.2 55.3 50.3 46.1 To: 58.6 56.8 59.9 60.5 53.1 51.0 49.1 49.6 53.6 61.6 63.4 53.4 54.0 55.5 51.2 45.9 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 49.2 48.9 50.3 51.7 52.2 50.3 50.0 51.1 48.3 50.0 49.7 47.5 48.6 42.2 40.0 To: 49.7 49.1 50.4 51.9 52.0 50.5 49.4 51.5 48.1 50.6 50.7 47.1 49.5 44.0 39.7 Avg Press Day 9 16 29 From: 681.3 652.4 676.9 To: 684.4 672.9 677.4 Avg Wind Day 19 23 From: 23.0 12.6 To: 19.5 10.6 Number of NCDC observations per day: 24