***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1971 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 37.2 45.6 41.9 0 030 23.5 29 020 0.0 6 685.2 IF,BS 2 38.9 46.1 45.3 0 020 23.9 30 020 0.0 4 687.2 IF,BS 3 45.3 48.6 46.9 T 060 16.1 28 020 0.0 0 684.3 IF,IC,BS 4 45.6 55.0 53.7 T 050 17.2 21 050 21.6 2 679.0 IF,IC,BS 5 53.3 55.6 53.8 0 020 18.2 22 030 5.1 5 680.2 IF 6 45.9 55.0 49.1 0 010 19.7 23 010 1.7 8 678.5 IF 7 44.8 50.9 47.7 0.01 010 15.2 24 360 0.0 6 668.7 BS,SG 8 47.2 59.2 55.9 T 130 12.9 18 030 9.9 1 662.3 IF,IC 9 53.9 60.0 57.8 T 110 13.8 18 110 24.0 0 661.6 IC,IF 10 56.7 59.2 58.2 T 070 13.7 17 110 19.1 2 664.9 IC 11 57.5 61.1 58.6 T 110 13.0 16 100 21.0 0 662.0 IC,IF 12 53.6 58.9 55.2 T 100 16.4 19 070 23.8 2 665.7 IC,IF 13 52.5 56.1 54.0 T 080 16.2 21 060 23.0 0 675.6 IC,IF,BS 14 45.9 55.0 48.6 T 120 17.2 21 120 24.0 2 682.1 IC,IF 15 45.6 53.1 51.1 T 120 17.4 22 120 24.0 1 677.9 IC,IF 16 49.7 53.3 51.1 T 080 16.5 21 060 23.0 0 679.4 IC,IF 17 48.1 51.7 50.4 T 060 16.8 22 040 24.0 2 684.8 IC,IF 18 49.2 52.2 50.1 T 060 13.5 18 060 22.3 6 686.4 IC,IF 19 47.2 52.0 50.4 0.01 070 11.2 16 050 18.6 2 681.7 IC,IF,SG 20 50.0 54.7 52.9 T 070 10.6 16 070 24.0 2 680.9 IC 21 51.1 56.1 52.9 T 100 9.0 12 080 14.0 6 678.5 IC 22 51.7 55.6 53.3 T 080 10.5 14 080 10.0 6 676.0 IC 23 43.6 54.4 47.2 T 010 16.5 20 010 11.0 8 678.2 IC,IF 24 41.4 47.8 43.0 T 360 18.5 22 360 0.0 8 681.2 IC,IF 25 41.7 45.6 44.1 T 020 18.5 21 020 0.0 7 683.9 IF,IC 26 42.8 46.1 44.9 T 020 15.7 21 020 18.6 4 684.7 IC,IF 27 43.6 46.7 44.5 0 040 15.0 18 030 24.0 1 682.4 28 43.9 49.2 46.6 0 120 10.5 18 080 24.0 2 680.0 29 45.0 50.3 48.9 0 110 6.5 14 120 24.0 3 681.1 30 44.8 50.0 46.9 T 190 9.8 14 080 24.0 2 674.7 IC 31 44.4 49.7 47.0 0 180 6.9 14 070 24.0 5 671.2 AVG 47.2 52.7 50.1 T 020 14.9 30 020 15.6 3 677.4 2nd AVG MONTHLY -50.1 PCPN 0.02 inches NR DAYS CLEAR 17 HIGHEST -37.2 ON 1st SUNSHINE 482.7/ 65% PARTLY CLOUDY 10 LOWEST -61.1 ON 11th CLOUDY 04 HIGH PRESSURE 688.5 ON 3rd LOW PRESSURE 660.9 ON 9th NET CHANGE IN SNOWSTAKE FIELD: M 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 47.8 47.2 Avg Wnd Spd 15.1 14.9 Avg Press 677.6 677.4 Min T 52.3 52.7 Max Press 688.1 688.5 Fastest Wnd MPH Avg T 50.0 50.1 Min Press Changes to Daily Data: Max Temp Day 3 6 7 11 12 13 14 16 17 18 23 24 27 30 From: 45.6 49.4 45.0 57.8 55.6 53.3 48.9 51.1 48.3 49.4 47.8 41.7 44.4 46.1 To: 45.3 45.9 44.8 57.5 53.6 52.5 45.9 49.7 48.1 49.2 43.6 41.4 43.6 44.8 Min Temp Day 3 7 8 10 15 19 20 28 29 31 From: 47.2 50.0 56.1 58.9 52.8 51.1 53.9 46.1 48.3 47.8 To: 48.6 50.9 59.2 59.2 53.1 52.0 54.7 49.2 50.3 49.7 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 41.4 42.5 46.4 50.3 54.4 52.2 47.5 51.7 56.9 57.8 59.4 57.2 54.7 51.9 49.2 52.2 To: 41.9 45.3 46.9 53.7 53.8 49.1 47.7 55.9 57.8 58.2 58.6 55.2 54.0 48.6 51.1 51.1 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 50.0 50.8 49.2 51.9 53.6 53.6 51.1 44.7 43.6 44.4 45.6 45.0 46.7 48.1 46.1 To: 50.4 50.1 50.4 52.9 52.9 53.3 47.2 43.0 44.1 44.9 44.5 46.6 48.9 46.9 47.0 Number of NCDC observations per day: day 1 - day 2: 4 day 3: 7 day 4 - day 31: 8