***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1970 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 57.8 62.2 60.1 0 050 14.4 17 060 24.0 3 685.3 2 58.9 63.3 61.0 0 030 8.9 17 030 0.0 4 688.5 IF 3 59.4 63.9 61.8 0 120 11.2 15 080 24.0 0 688.6 IF 4 59.4 64.4 61.8 0 060 11.7 15 100 24.0 0 696.7 5 50.9 62.2 55.1 0 040 17.2 19 030 19.0 5 700.9 IF 6 35.3 55.0 41.3 0 020 26.8 31 020 0.0 8 699.7 IF,BS 7 31.4 43.3 32.5 0 010 29.3 43 010 0.0 9 699.2 IF,BS 8 31.7 43.6 39.5 T 350 12.4 35 360 3.0 7 705.5 IC,BS 9 40.0 49.2 47.4 T 060 11.8 17 010 0.0 6 700.0 IC 10 45.3 50.0 46.9 0 040 13.5 18 030 3.5 7 691.2 11 46.7 51.1 48.5 0 040 13.0 20 030 0.0 6 690.3 12 46.7 52.2 50.6 0 050 13.5 21 110 19.0 0 686.6 13 48.3 53.9 52.1 0 110 14.1 24 120 24.0 0 673.5 14 51.7 55.0 53.7 0 080 10.9 17 070 21.6 4 671.6 15 52.2 56.7 55.6 0 010 12.4 17 020 0.0 8 674.0 16 53.9 56.1 55.1 0 010 9.5 14 010 0.0 8 672.5 17 54.4 56.7 55.6 0 030 13.2 16 020 2.4 8 672.6 18 53.9 56.1 54.7 0 030 14.7 18 030 0.0 8 671.7 19 52.8 55.0 54.0 0 040 10.9 17 030 6.5 5 671.4 20 46.4 55.6 49.1 0 010 16.7 21 010 0.0 8 671.8 21 44.2 49.4 45.2 0 360 14.4 22 360 0.0 8 677.2 BS 22 35.9 47.2 39.6 0 360 21.5 25 360 0.0 8 683.7 IF,BS 23 32.5 42.8 33.5 0 330 17.6 29 320 0.0 8 687.7 IF,BS 24 32.2 41.4 37.2 T 300 9.2 23 310 0.0 5 683.6 SG,IC,BS 25 35.0 45.3 44.8 0 120 9.5 14 100 23.0 2 678.0 IF 26 44.4 47.2 46.3 0 110 9.2 15 080 24.0 4 671.9 27 39.4 48.3 43.2 0 110 2.0 13 100 5.0 6 674.3 28 40.0 46.1 42.9 0 010 7.7 11 010 3.0 8 675.2 29 40.6 46.4 44.2 T 010 7.8 13 360 0.0 8 670.6 IC 30 42.2 49.4 47.7 T 080 9.5 13 080 12.0 4 669.2 IC 31 46.7 50.0 48.6 0 080 10.6 14 080 18.0 0 669.0 AVG 45.5 52.2 48.7 T 010 13.1 43 010 8.3 5 682.3 7th AVG MONTHLY -48.7 PCPN TRACE NR DAYS CLEAR 10 HIGHEST -31.4 ON 7th SUNSHINE 256.0/34.4% PARTLY CLOUDY 07 LOWEST -64.4 ON 4th CLOUDY 14 HIGH PRESSURE 706.7 ON 9th LOW PRESSURE 668.1 ON 31st 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 Extremes: From To Max T -31.7 -31.4 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 46.4 45.5 Avg Wnd Spd 13.2 13.1 Avg Press 682.5 682.3 Min T 51.7 52.2 Max Press Fastest Wnd MPH Avg T 49.1 48.7 Min Press 669.1 668.1 Changes to Daily Data: Max Temp Day 4 5 6 7 10 18 20 21 22 23 From: 60.0 56.1 43.3 32.8 45.6 54.4 50.0 44.4 41.7 33.9 To: 59.4 50.9 35.3 31.4 45.3 53.9 46.4 44.2 35.9 32.5 Min Temp Day 2 8 9 12 13 24 25 29 From: 61.1 41.1 47.8 51.7 52.8 36.1 45.0 44.4 To: 63.3 43.6 49.2 52.2 53.9 41.4 45.3 46.4 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 60.0 60.0 61.7 62.2 59.2 49.2 38.1 36.4 43.9 47.8 48.9 49.2 50.6 53.3 54.4 55.0 To: 60.1 61.0 61.8 61.8 55.1 41.3 32.5 39.5 47.4 46.9 48.5 50.6 52.1 53.7 55.6 55.1 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 55.6 55.3 53.9 52.8 46.9 44.4 38.3 34.2 40.0 45.8 43.9 43.1 42.5 45.8 48.3 To: 55.6 54.7 54.0 49.1 45.2 39.6 33.5 37.2 44.8 46.3 43.2 42.9 44.2 47.7 48.6 Number of NCDC observations per day: 4