***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1974 MONTH OCTOBER .... ALL TEMPERATURES MINUS C.... DAY TEMPERATURE C PCPN AVG WIND FASTEST SUN SKY STN WX MAX MIN AVG SPEED MILE SHINE COVER PRESS DIR MPH SPD DIR HRS 1 62.0 66.1 63.6 0 050 10.3 15 070 24.0 0 676.0 2 59.2 64.4 60.6 0 050 12.6 15 050 24.0 1 678.5 3 56.7 64.2 59.3 0 050 12.6 17 040 24.0 4 676.3 4 52.0 65.6 57.1 0 110 10.3 14 080 23.0 5 679.6 5 50.3 57.8 53.1 0 070 12.7 16 080 5.0 4 681.2 IF 6 50.0 56.1 53.5 0 070 16.1 22 080 24.0 2 676.5 BS 7 49.7 57.2 54.5 0 010 16.4 20 060 24.0 5 675.8 BS 8 49.4 58.3 51.3 0 020 17.6 23 070 10.0 3 683.6 BS,IF 9 50.6 58.6 55.9 0 120 10.6 20 010 24.0 1 679.2 BS,IF 10 52.2 58.9 55.3 0 060 13.5 20 020 24.0 0 678.3 11 48.6 56.7 50.8 0 060 17.5 23 120 24.0 0 680.3 BS,IF 12 46.7 51.7 47.8 0 060 17.8 24 060 24.0 3 676.7 BS,IF 13 46.7 52.5 51.1 0 030 18.1 27 050 15.0 3 674.5 BS,IF 14 50.6 56.4 54.2 T 040 11.8 22 030 24.0 4 677.7 IC,BS,IF 15 52.8 58.6 57.8 T 090 9.2 15 030 24.0 1 678.0 IC 16 53.6 58.9 55.4 0 040 12.4 17 060 24.0 3 676.7 17 45.9 57.8 49.5 T 010 19.5 24 050 18.0 8 680.9 SG,IF 18 44.2 50.6 45.6 T 010 15.8 23 010 0.0 8 685.0 SG,IF 19 43.3 49.2 47.2 T 060 15.8 18 010 0.0 5 683.3 SG,IF 20 47.8 50.6 49.0 0 030 19.8 27 020 20.0 0 682.7 BS,IF 21 48.9 53.1 51.3 0 050 14.0 22 040 24.0 3 685.5 BS,IF 22 47.8 54.4 49.6 T 070 9.2 16 040 24.0 4 686.5 IC,IF,BS 23 47.2 51.7 49.6 0 030 12.7 16 070 24.0 2 680.7 24 46.4 51.7 49.2 0 330 9.8 17 030 24.0 7 678.1 25 43.1 51.7 46.0 T 350 5.8 13 020 9.0 6 684.3 SG,IF 26 42.8 51.1 46.0 0 010 7.8 13 110 21.5 5 694.9 27 35.3 47.8 38.6 T 010 9.2 16 010 1.5 6 695.7 SG,IF 28 33.7 44.4 38.2 T 010 13.8 22 350 15.5 7 692.8 SG,IF 29 32.2 38.9 35.7 T 360 14.4 24 340 7.0 6 689.4 30 33.1 38.9 35.3 T 350 12.4 15 340 13.0 6 690.6 SG,IC,IF 31 32.8 40.0 38.9 T 010 13.5 18 200 6.5 8 689.0 SG,IC AVG 47.0 54.0 50.0 T 010 13.3 27 020 17.7 4 682.2 13th,20th AVG MONTHLY -50.0 PCPN TRACE NR DAYS CLEAR 13 HIGHEST -32.2 ON 29th SUNSHINE 549.0/73.8% PARTLY CLOUDY 11 LOWEST -66.1 ON 1st CLOUDY 07 HIGH PRESSURE 697.3 ON 27th LOW PRESSURE 671.2 ON 1st 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 Average Sky Cover changed to reflect data from 00Z through 00Z daily. All Sky Cover changed to Octas. Peak wind speed, peak wind direction, precipitation, sunshine amount, and present wx reported in NZST. Insufficient data to convert these values to UTC. All temperature, wind, and pressure data taken from NCDC data. LCD data originally reported in NZST. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 47.7 47.0 Avg Wnd Spd 13.2 13.3 Avg Press 681.8 682.2 Min T 53.6 54.0 Max Press Fastest Wnd MPH Avg T 50.7 50.0 Min Press Changes to Daily Data: Max Temp Day 1 2 4 5 7 11 16 17 18 24 25 27 28 30 From: 63.9 61.7 57.8 50.6 50.6 51.1 53.9 50.6 46.1 47.2 43.3 35.6 34.4 34.4 To: 62.0 59.2 52.0 50.3 49.7 48.6 53.6 45.9 44.2 46.4 43.1 35.3 33.7 33.1 Min Temp Day 3 9 13 14 15 19 21 From: 62.8 56.1 50.6 53.9 58.3 47.8 50.6 To: 64.2 58.6 52.5 56.4 58.6 49.2 53.1 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 65.0 63.1 59.7 61.7 54.2 53.1 53.9 53.9 53.3 55.6 53.9 49.2 48.6 52.2 55.6 56.4 To: 63.6 60.6 59.3 57.1 53.1 53.5 54.5 51.3 55.9 55.3 50.8 47.8 51.1 54.2 57.8 55.4 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 54.2 48.3 45.6 49.2 49.7 51.1 49.4 49.4 47.5 46.9 41.7 39.4 35.6 36.7 36.4 To: 49.5 45.6 47.2 49.0 51.3 49.6 49.6 49.2 46.0 46.0 38.6 38.2 35.7 35.3 38.9 Number of NCDC observations per day: 4