LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1968 MONTH MARCH ....... 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 46.4 52.8 49.7 0 050 13.8 18 050 18.5 3 689.0 02 49.4 53.3 52.3 T 070 10.1 14 070 24.0 5 690.9 IC 03 50.0 54.4 52.1 T 050 13.8 17 040 23.5 1 685.1 IC 04 52.2 56.1 54.1 T 060 12.9 18 050 23.0 6 681.2 IC 05 45.6 53.9 49.0 T 350 14.4 18 350 13.0 7 685.1 IC,SG,BS 06 41.1 47.2 43.9 T 360 17.8 21 010 12.0 8 686.7 SG,BS,IF 07 43.9 51.1 48.9 0 020 17.3 21 020 12.0 8 685.0 IF,BS 08 47.5 52.2 50.1 0 360 18.7 23 010 2.0 8 686.3 BS,IF 09 47.2 52.8 50.1 0 360 16.4 23 360 15.5 6 688.4 BS,IF 10 51.4 55.6 52.4 0 020 14.7 18 020 0.0 8 688.4 BS 11 53.3 58.3 56.8 0 040 12.7 16 030 20.0 5 690.3 IC,BS 12 48.6 57.2 53.7 0 020 21.3 28 360 0.0 8 695.2 BS 13 48.9 53.9 50.9 0 010 18.1 24 360 4.0 5 697.3 BS 14 53.9 57.8 56.0 T 030 13.5 17 030 7.5 2 696.6 IC 15 47.2 57.2 51.6 T 090 14.1 17 080 0.0 8 694.7 IC 16 53.9 60.0 57.8 0 090 12.6 18 010 0.0 6 692.5 IF 17 56.1 60.0 58.0 0 030 11.8 15 020 0.0 5 689.2 18 56.7 60.6 59.6 0 040 13.6 16 070 0.0 2 689.7 19 57.2 60.6 58.9 0 060 13.0 16 050 0.0 0 690.9 20 49.4 61.1 58.0 0 090 14.1 18 070 0.0 0 689.5 21 42.2 55.6 49.6 0 050 19.0 23 040 0.0 8 682.8 BS,IF 22 51.1 60.0 56.7 0 050 13.9 16 030 0.0 2 683.9 IF 23 56.7 61.7 59.6 0 050 10.8 21 080 0.0 2 686.2 24 46.7 56.7 49.5 T 020 8.9 12 020 0.0 8 686.0 SG- 25 44.8 55.0 47.9 T 360 6.0 12 360 0.0 5 683.4 SG- 26 46.4 55.0 49.5 0 040 3.5 11 360 0.0 5 682.1 27 47.8 58.3 53.5 T 050 4.6 9 050 0.0 6 679.7 28 56.7 63.3 61.3 0 090 6.1 11 110 0.0 5 677.8 29 58.3 64.4 61.1 0 060 4.9 12 080 0.0 4 677.0 30 56.1 63.9 62.1 0 110 6.0 11 110 0.0 6 673.6 31 61.1 63.9 62.6 0 070 10.9 13 060 0.0 2 675.6 AVG 50.6 57.2 54.1 050 12.6 28 360 8.3 5 686.5 12th AVG MONTHLY -54.1 PCPN TRACE NR DAYS CLEAR 08 HIGHEST -41.1 ON 6th SUNSHINE 175.0/ 35% PARTLY CLOUDY 14 LOWEST -64.4 ON 29th CLOUDY 09 HIGH PRESSURE 697.9 ON 13th LOW PRESSURE 673.0 ON 30th 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. 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 Avg Wnd Spd 12.7 12.6 Avg Press Min T Max Press Fastest Wnd MPH Avg T 53.9 54.1 Min Press Changes to Daily Data: Max Temp Day 1 8 10 12 25 26 From: 46.7 47.8 51.7 48.9 45.0 46.7 To: 46.4 47.5 51.4 48.6 44.8 46.4 Min Temp No Daily Changes Avg Temp Day 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 51.4 52.2 54.2 49.7 44.2 47.5 50.0 50.0 53.6 55.8 53.1 51.4 55.8 52.2 56.9 To: 52.3 52.1 54.1 49.0 43.9 48.9 50.1 50.1 52.4 56.8 53.7 50.9 56.0 51.6 57.8 Day 17 18 20 21 22 23 24 25 26 27 28 29 30 31 From: 58.1 58.6 55.3 48.9 55.6 59.2 51.7 50.0 50.8 53.1 60.0 61.4 60.0 62.5 To: 58.0 59.6 58.0 49.6 56.7 59.6 49.5 47.9 49.5 53.5 61.3 61.1 62.1 62.6 Number of NCDC observations per day: 4