***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1960 MONTH MAY ....... 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 60.3 70.0 63.6 T 050 15.2 20 050 0.0 1 677.8 02 63.6 66.7 64.6 T 070 10.7 17 090 0.0 1 678.3 03 63.1 67.8 65.1 T 090 7.7 14 090 0.0 2 683.9 04 57.0 63.9 59.7 T 360 5.2 10 140 0.0 5 687.9 05 52.5 60.6 56.5 T 110 10.0 16 090 0.0 3 686.1 06 48.3 62.8 58.1 T 360 6.8 14 360 0.0 3 683.9 07 40.9 51.1 45.5 T 320 12.4 23 290 0.0 6 685.9 08 39.8 46.1 43.2 T 320 7.9 15 320 0.0 6 691.0 09 43.6 57.2 51.2 T 050 10.4 17 070 0.0 3 685.9 10 54.2 60.6 56.8 T 090 11.9 20 090 0.0 2 681.5 11 56.4 62.8 59.6 T 070 9.7 15 070 0.0 2 680.3 12 58.6 64.4 60.7 T 050 12.3 17 020 0.0 2 677.4 13 58.6 63.3 59.9 T 050 14.0 18 020 0.0 1 680.3 14 55.0 62.2 59.1 T 070 16.1 22 070 0.0 1 673.9 15 54.4 63.3 59.7 T 360 15.7 20 020 0.0 2 671.2 16 55.6 61.1 56.7 T 360 16.5 20 360 0.0 6 679.1 17 45.0 54.4 48.3 T 360 17.8 28 360 0.0 8 679.6 18 47.0 52.8 49.6 T 050 17.0 30 020 0.0 3 676.4 BS 19 47.8 57.2 53.2 T 020 18.8 24 020 0.0 2 678.6 20 50.9 61.1 56.7 T 070 14.6 24 020 0.0 1 678.5 21 46.1 52.8 48.7 T 360 18.8 24 020 0.0 2 676.4 22 46.4 52.2 49.3 T 020 19.2 25 020 0.0 3 681.3 23 39.8 47.2 42.0 T 020 17.6 25 020 0.0 7 684.9 IFBS 24 39.2 55.6 48.0 T 020 17.2 26 020 0.0 3 684.7 25 53.6 58.9 56.2 T 020 16.9 22 360 0.0 2 683.0 26 50.9 57.8 53.8 T 360 15.2 22 360 0.0 4 683.9 27 51.1 57.8 53.7 T 020 10.1 15 050 0.0 2 682.5 28 55.3 65.6 59.9 T 090 12.3 20 070 0.0 0 678.6 29 57.0 66.7 62.7 T 020 13.4 20 020 0.0 1 674.1 30 54.7 57.2 55.7 T 360 16.2 22 360 0.0 6 678.1 31 54.4 64.4 58.7 T 020 11.1 17 360 0.0 2 678.6 AVG 51.6 59.5 55.4 T 020 13.5 30 020 0.0 3 680.8 18th AVG MONTHLY -55.4 PCPN TRACE NR DAYS CLEAR 17 HIGHEST -39.2 ON 24th SUNSHINE 0.0/ 0% PARTLY CLOUDY 12 LOWEST -70.0 ON 1st CLOUDY 02 HIGH PRESSURE 692.2 ON 8th LOW PRESSURE 666.6 ON 15th NET CHANGE IN SNOWSTAKE FIELD: M SNOWSTAKE DATA NOT AVAILABLE. 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 Extremes: From To Max T -39.4 -39.2 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 51.8 51.6 Avg Wnd Spd 13.2 13.5 Avg Press Min T Max Press Fastest Wnd MPH 29.0 30.0 Avg T 55.7 55.4 Min Press Changes to Daily Data: Max Temp Day 1 2 3 4 5 7 8 9 10 11 12 13 From: 60.6 63.9 63.3 57.2 52.8 41.1 40.0 43.9 54.4 56.7 58.9 58.9 To: 60.3 63.6 63.1 57.0 52.5 40.9 39.8 43.6 54.2 56.4 58.6 58.6 Day 18 20 22 23 24 25 26 28 29 30 From: 47.2 51.1 46.7 40.0 39.4 53.9 51.1 55.6 57.2 55.0 To: 47.0 50.9 46.4 39.8 39.2 53.6 50.9 55.3 57.0 54.7 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 65.3 65.3 65.6 60.6 56.7 55.6 46.1 43.1 50.6 57.5 59.7 61.7 61.1 58.6 58.9 58.3 To: 63.6 64.6 65.1 59.7 56.5 58.1 45.5 43.2 51.2 56.8 59.6 60.7 59.9 59.1 59.7 56.7 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 49.7 50.0 52.5 56.1 49.4 49.4 43.6 47.5 56.4 54.4 54.4 60.6 61.9 56.1 59.4 To: 48.3 49.6 53.2 56.7 48.7 49.3 42.0 48.0 56.2 53.8 53.7 59.9 62.7 55.7 58.7 Number of NCDC observations per day: 24