LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1968 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 58.3 63.3 61.7 0 040 13.3 18 040 99.9 2 677.7 BS 02 47.0 60.0 50.8 0 020 17.6 28 020 99.9 8 679.9 BS 03 47.2 52.8 50.5 0 040 13.5 19 040 99.9 8 690.3 04 44.8 48.9 47.0 0 030 22.8 25 020 99.9 4 683.3 BS 05 42.2 51.1 45.3 0 020 22.1 25 020 99.9 5 680.8 BS 06 34.4 42.8 36.6 0 010 39.1 48 010 99.9 8 681.6 BS 07 35.0 45.6 42.4 0 010 25.3 44 010 99.9 6 683.7 BS 08 41.7 47.2 44.3 0 010 21.0 28 010 99.9 7 688.5 BS 09 42.0 48.9 45.5 0 020 19.3 28 020 99.9 2 685.8 BS 10 47.8 54.4 53.9 0 030 8.3 12 020 99.9 1 690.6 11 50.0 53.9 52.6 0 110 7.8 11 100 99.9 1 692.4 12 47.2 52.8 51.5 T 060 9.5 17 020 99.9 2 691.3 IC 13 44.4 52.8 48.7 0 360 17.8 19 360 99.9 8 687.0 BS 14 42.8 47.8 45.4 0 350 14.4 18 350 99.9 7 686.6 BS 15 45.9 51.7 48.1 0 060 7.8 13 030 99.9 4 689.3 16 46.1 51.7 47.5 0 120 13.5 18 120 99.9 1 683.8 17 49.4 56.7 55.3 T 120 6.3 14 130 99.9 0 677.5 IC 18 55.6 56.7 55.9 T 030 12.1 17 020 99.9 1 678.6 IC 19 53.3 55.6 54.2 0 030 10.7 14 030 99.9 2 678.5 20 51.4 54.4 53.2 0 060 12.0 16 030 99.9 2 676.1 21 49.7 53.3 51.7 0 020 21.3 24 020 99.9 5 673.2 BS 22 49.2 50.0 49.2 0 030 19.9 21 030 99.9 3 674.0 IF,BS 23 44.2 49.4 46.4 0 020 23.3 25 010 99.9 2 673.3 IF,BS 24 41.4 45.6 42.7 0 010 15.3 21 010 99.9 6 675.5 BS 25 40.3 44.4 41.8 0 010 17.6 21 010 99.9 6 679.4 IF,BS 26 42.2 47.8 46.1 0 010 19.0 21 360 99.9 4 676.4 IF 27 35.9 47.8 40.4 0 360 20.1 21 320 99.9 8 676.5 BS 28 32.5 35.6 33.4 0 320 20.1 24 310 99.9 8 679.5 BS 29 32.2 35.6 33.3 0 340 24.2 30 240 99.9 8 681.7 IF,BS 30 36.1 39.4 38.1 0 010 21.3 23 010 99.9 6 683.6 IF,BS 31 38.1 41.1 39.5 0 020 18.4 22 020 99.9 2 683.2 IF,BS AVG 44.1 49.6 46.9 010 17.2 48 010 99.9 4 681.9 6th AVG MONTHLY -46.9 PCPN TRACE NR DAYS CLEAR 12 HIGHEST -32.2 ON 29th SUNSHINE 0.0/ % PARTLY CLOUDY 10 LOWEST -63.3 ON 1st CLOUDY 9 HIGH PRESSURE 693.0 ON 10th,11th LOW PRESSURE 672.2 ON 21st NET CHANGE IN SNOWSTAKE FIELD: 9.99 SNOWSTAKES 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 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 44.2 44.1 Avg Wnd Spd 17.4 17.2 Avg Press 682.1 681.9 Min T Max Press 693.0 693.2 Fastest Wnd MPH Avg T Min Press 672.0 672.2 Changes to Daily Data: Max Temp Day 2 4 9 15 20 21 22 23 24 25 From: 47.2 45.0 42.2 46.1 51.7 50.0 49.4 44.4 41.7 40.6 To: 47.0 44.8 42.0 45.9 51.4 49.7 49.2 44.2 41.4 40.3 Day 27 28 31 From: 36.1 32.8 38.3 To: 35.9 32.5 38.1 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 60.8 53.6 50.0 46.9 46.7 38.6 40.3 44.4 45.6 51.1 51.9 50.0 48.6 45.3 48.9 To: 61.7 50.8 50.5 47.0 45.3 36.6 42.4 44.3 45.5 53.9 52.6 51.5 48.7 45.4 48.1 Day 16 17 18 19 20 22 23 24 25 26 27 28 29 30 31 From: 48.9 53.1 56.1 54.4 53.1 49.7 46.9 43.6 42.5 45.0 41.9 34.2 33.9 37.8 39.7 To: 47.5 55.3 55.9 54.2 53.2 49.2 46.4 42.7 41.8 46.1 40.4 33.4 33.3 38.1 39.5 Fast MPH Day 31 From: 21 To: 22 Number of NCDC observations per day: 4