LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1959 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 54.7 56.7 55.0 0 020 17.4 23 020 99.9 6 687.8 02 53.1 60.6 55.9 T 050 13.8 19 050 99.9 3 690.5 03 56.1 60.6 58.0 T 090 13.1 17 090 99.9 2 685.1 04 53.1 58.3 54.9 T 070 14.5 21 070 99.9 4 673.0 05 55.0 60.0 57.2 T 110 12.4 18 090 99.9 3 665.6 06 52.0 60.0 54.1 T 020 14.8 18 020 99.9 6 677.6 07 52.2 61.7 55.9 T 070 14.5 20 070 99.9 4 671.0 08 52.8 59.4 56.0 0 050 19.0 26 020 99.9 8 667.1 BS 09 45.6 53.3 48.0 0 020 21.9 28 020 99.9 8 672.8 BS 10 50.0 55.6 52.4 0 020 20.3 25 020 99.9 5 672.5 BS 11 49.2 53.3 50.4 T 020 20.8 27 020 99.9 7 667.5 BS 12 52.2 55.6 53.8 T 050 13.2 19 020 99.9 3 671.3 13 54.4 58.9 56.1 0 050 9.2 15 020 99.9 6 678.7 14 47.2 56.7 53.2 T 110 11.7 17 110 99.9 5 675.9 15 50.6 57.2 54.7 T 110 13.4 19 050 24.0 1 671.3 16 47.0 52.8 50.5 T 050 15.0 22 050 22.1 5 669.1 17 35.0 50.6 40.4 T 020 19.0 30 020 10.1 8 666.9 S-BSF 18 46.4 51.7 48.8 T 020 16.4 21 020 24.0 6 679.9 19 48.3 52.2 50.3 T 050 15.2 18 050 23.5 6 685.1 20 46.7 50.6 48.6 T 020 14.6 16 020 24.0 2 682.8 21 42.2 50.6 45.2 T 020 22.9 30 020 6.1 8 676.3 BS 22 43.3 50.0 47.0 T 050 16.8 23 020 20.2 8 671.0 BS 23 46.1 51.1 49.7 T 050 16.2 23 050 19.9 7 672.3 24 42.8 47.2 45.3 T 020 18.3 25 020 13.1 8 669.5 25 44.4 52.8 48.6 T 110 10.3 18 050 23.9 7 664.6 26 51.1 54.2 53.1 T 110 10.2 15 110 24.0 7 662.2 27 47.8 52.8 50.7 T 090 10.7 15 070 24.0 5 662.6 28 49.4 55.0 53.3 T 090 8.0 12 110 24.0 1 664.3 29 43.9 55.0 51.4 T 020 13.2 18 360 15.7 7 669.8 30 39.4 45.6 41.2 T 360 20.0 26 360 0.1 8 673.2 BS 31 40.0 44.4 41.8 T 360 19.0 24 360 15.3 7 677.8 BS AVG 48.1 54.3 51.0 020 15.3 30 020 18.5 6 673.4 17th AVG MONTHLY -51.0 PCPN TRACE NR DAYS CLEAR 04 HIGHEST -35.0 ON 17th SUNSHINE 18.5/ 77% PARTLY CLOUDY 14 LOWEST -61.7 ON 7th CLOUDY 13 HIGH PRESSURE 690.8 ON 2nd LOW PRESSURE 661.7 ON 27th NET CHANGE IN SNOWSTAKE FIELD: 9.99 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 data taken from NCDC data. No data on original LCD. 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 48.2 48.1 Avg Wnd Spd Avg Press 673.5 673.4 Min T Max Press Fastest Wnd MPH Avg T 51.2 51.0 Min Press Changes to Daily Data: Max Temp Day 1 2 4 6 11 14 16 18 From: 55.0 53.3 53.3 52.2 49.4 47.8 47.2 46.7 To: 54.7 53.1 53.1 52.0 49.2 47.2 47.0 46.4 Min Temp Day 26 From: 53.9 To: 54.2 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 54.7 57.9 56.0 56.5 55.8 54.0 57.5 51.4 49.8 51.5 52.0 54.8 55.0 54.5 52.3 To: 55.0 55.9 58.0 54.9 57.2 54.1 55.9 56.0 48.0 52.4 50.4 53.8 56.1 53.2 54.7 Day 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 44.0 45.4 50.1 49.3 48.1 44.5 49.2 47.7 45.3 52.0 51.8 51.9 53.8 45.8 40.4 43.9 To: 50.5 40.4 48.8 50.3 48.6 45.2 47.0 49.7 45.3 48.6 53.1 50.7 53.3 51.4 41.2 41.8 Number of NCDC observations per day: 24