***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1968 MONTH JULY ....... 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 47.2 52.8 49.4 T 360 22.1 28 360 0.0 8 673.5 SG,BS 02 52.8 58.3 56.2 0 360 15.8 21 020 0.0 6 672.8 BS 03 57.8 63.9 60.7 0 020 16.6 22 020 0.0 8 673.3 04 62.8 68.3 66.0 0 050 13.2 16 050 0.0 7 671.9 05 67.2 70.6 69.2 0 070 10.6 14 070 0.0 0 667.6 06 53.3 71.7 60.9 0 350 14.9 22 340 0.0 4 667.1 BS 07 53.3 58.9 55.7 0 350 13.3 17 350 0.0 8 668.8 08 55.6 65.0 60.8 0 350 12.4 16 340 0.0 4 670.6 09 48.3 55.0 50.3 T 330 15.3 18 340 0.0 8 675.5 SG 10 43.6 50.6 45.4 T 340 17.0 21 320 0.0 8 676.9 SG 11 43.9 47.8 45.8 T 340 7.8 13 310 0.0 8 675.6 SG 12 46.1 63.3 58.1 T 100 8.3 11 100 0.0 5 672.0 SG 13 62.8 69.4 66.9 0 100 9.2 10 110 0.0 0 670.4 14 69.4 74.4 73.4 0 100 2.6 8 090 0.0 6 666.4 15 71.1 80.0 78.9 0 130 9.2 18 130 0.0 1 663.6 16 75.0 78.9 77.1 0 120 8.3 9 100 0.0 0 666.3 17 68.3 77.8 72.8 0 030 4.0 6 060 0.0 8 669.1 18 67.8 69.4 68.7 0 020 8.1 11 010 0.0 6 672.0 19 59.4 68.3 63.6 0 010 11.2 14 010 0.0 2 672.6 20 59.4 67.8 64.9 0 040 6.4 9 020 0.0 2 671.7 21 67.8 71.7 69.6 0 040 6.0 14 030 0.0 0 678.6 22 69.4 71.1 71.1 0 080 10.6 11 060 0.0 0 680.7 23 61.7 70.6 65.3 0 360 15.8 21 360 0.0 4 683.6 BS 24 53.9 62.2 55.4 0 360 17.2 19 360 0.0 8 688.7 25 53.9 60.6 57.2 0 010 12.6 19 360 0.0 2 688.4 26 56.7 63.9 61.3 0 050 11.2 15 050 0.0 0 681.0 27 60.0 65.6 63.3 0 090 11.0 14 040 0.0 0 669.7 28 60.0 67.2 63.1 0 070 13.2 16 030 0.0 0 664.3 29 62.2 65.6 64.3 0 020 14.7 16 020 0.0 0 668.3 30 62.8 65.0 63.5 0 360 11.7 16 360 0.0 4 674.9 31 58.3 65.0 63.2 0 050 7.2 13 020 0.0 6 673.0 AVG 59.1 65.8 62.6 T 360 11.5 28 360 0.0 4 673.2 1st AVG MONTHLY -62.6 PCPN TRACE NR DAYS CLEAR 13 HIGHEST -43.6 ON 10th SUNSHINE 0.0/ 0% PARTLY CLOUDY 09 LOWEST -80.0 ON 15th CLOUDY 09 HIGH PRESSURE 688.8 ON 24th,25th LOW PRESSURE 662.5 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 taken from NCDC data. Data rounded to whole mb on original LCD. Average wind speed taken from NCDC data. Data rounded to whole MPH on original LCD. All wind and pressure data taken from original LCD unless otherwise indicated. Changed Extremes: From To Max T -43.9 -43.6 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T Avg Wnd Spd 11.0 11.5 Avg Press 672.8 673.2 Min T Max Press Fastest Wnd MPH Avg T 62.4 62.6 Min Press Changes to Daily Data: Max Temp Day 10 From: 43.9 To: 43.6 Min Temp Day 17 From: 75.6 To: 77.8 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 From: 50.0 55.6 60.8 65.6 68.9 62.5 56.1 60.3 51.7 47.2 54.7 66.1 71.9 75.6 76.9 To: 49.4 56.2 60.7 66.0 69.2 60.9 55.7 60.8 50.3 45.4 58.1 66.9 73.4 78.9 77.1 Day 17 18 19 20 21 22 23 24 26 27 28 29 30 31 From: 71.9 68.6 63.9 63.6 69.7 70.3 66.1 58.1 60.3 62.8 63.6 63.9 63.9 61.7 To: 72.8 68.7 63.6 64.9 69.6 71.1 65.3 55.4 61.3 63.3 63.1 64.3 63.5 63.2 Number of NCDC observations per day: 4