LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1668 MONTH SEPTEMBER ....... 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 66.7 72.2 69.6 0 090 14.1 16 090 0.0 0 664.0 02 72.2 76.1 75.5 0 100 11.5 14 090 0.0 0 661.2 03 76.1 77.8 76.7 0 100 9.2 13 090 0.0 1 657.1 04 74.4 77.8 76.8 0 060 9.2 12 030 0.0 2 665.4 05 61.1 77.8 68.3 0 040 13.5 23 020 0.0 8 670.6 BS 06 50.3 61.1 52.1 0 010 23.8 28 010 0.0 8 673.1 BS 07 56.1 58.9 57.4 0 030 17.0 22 030 0.0 4 684.5 BS 08 41.1 57.8 44.7 0 010 21.6 28 010 0.0 7 681.0 BS 09 39.8 48.3 43.4 0 010 19.2 23 010 0.0 7 686.9 BS 10 48.3 52.8 50.1 0 100 11.5 16 020 0.0 6 688.0 BS 11 53.3 62.8 60.7 0 110 14.4 20 110 0.0 0 674.3 12 60.6 65.6 62.8 0 070 17.6 21 040 0.0 0 667.6 BS 13 58.3 66.1 62.1 0 010 20.7 25 010 0.0 2 671.3 BS 14 44.8 58.3 49.1 0 010 22.5 25 010 0.0 8 677.9 BS 15 41.7 48.9 44.5 0 360 18.7 25 360 0.0 8 683.0 BS 16 46.7 51.7 50.0 0 030 12.1 16 060 0.0 5 680.8 BS 17 51.7 67.8 61.5 0 070 10.3 16 070 0.0 2 672.7 18 67.2 71.1 69.8 0 080 10.3 14 070 0.0 1 669.8 19 70.6 73.3 71.9 0 070 9.7 12 070 0.0 1 676.2 20 67.8 72.8 70.3 0 070 9.2 14 070 0.0 1 680.4 21 67.2 73.3 70.1 0 100 9.5 13 090 99.9 1 672.7 22 68.9 75.0 71.5 0 060 8.1 14 050 99.9 2 669.4 23 63.9 72.8 66.0 0 040 12.1 15 040 99.9 2 663.8 24 66.1 70.6 68.4 0 070 10.6 14 080 99.9 2 658.5 25 70.0 76.1 74.2 0 110 8.8 13 110 99.9 2 654.4 26 56.1 76.1 63.6 0 360 13.9 23 360 99.9 6 651.5 BS 27 53.3 56.1 53.7 0 360 17.8 23 360 99.9 8 650.7 BS 28 49.2 53.9 50.9 0 010 21.0 25 010 99.9 8 654.2 BS 29 47.0 53.3 47.9 0 020 22.8 29 020 99.9 8 661.1 BS 30 50.6 58.3 56.5 0 020 16.1 28 020 99.9 8 666.6 BS AVG 58.0 65.5 61.3 010 14.6 29 020 99.9 4 669.6 29th AVG MONTHLY -61.3 PCPN TRACE NR DAYS CLEAR 16 HIGHEST -39.8 ON 9th SUNSHINE 0.0/ % PARTLY CLOUDY 04 LOWEST -77.8 ON 3rd,4th,5th CLOUDY 10 HIGH PRESSURE 690.8 ON 10th LOW PRESSURE 650.2 ON 27th NET CHANGE IN SNOWSTAKE FIELD: 9.99 SNOWSTAKES DATA UNAVAILABLE. 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 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 -40.0 -39.8 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 58.1 58.0 Avg Wnd Spd 14.5 14.6 Avg Press 669.5 669.6 Min T Max Press Fastest Wnd MPH Avg T 61.8 61.3 Min Press Changes to Daily Data: Max Temp Day 6 9 14 28 29 From: 50.6 40.0 45.0 49.4 47.2 To: 50.3 39.8 44.8 49.2 47.0 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 69.4 74.2 76.9 76.1 69.4 55.8 57.5 49.4 44.2 50.6 58.1 63.1 62.2 51.7 45.3 To: 69.6 75.5 76.7 76.8 68.3 52.1 57.4 44.7 43.4 50.1 60.7 62.8 62.1 49.1 44.5 Day 16 17 18 21 22 23 24 25 26 27 28 29 30 From: 49.2 59.7 69.2 70.3 71.9 68.3 68.3 73.1 66.1 54.7 51.7 50.3 54.4 To: 50.0 61.5 69.8 70.1 71.5 66.0 68.4 74.2 63.6 53.7 50.9 47.9 56.5 Number of NCDC observations per day: 4