***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1973 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 59.7 68.3 62.9 0 030 15.1 24 050 8.0 8 670.4 IC 2 53.1 62.8 55.5 0 020 21.8 29 020 0.0 8 674.1 BS 3 48.6 58.3 54.4 0 010 20.4 26 020 0.0 7 679.6 BS 4 43.6 55.0 45.2 0 020 22.8 30 010 0.0 8 678.4 BS 5 43.9 48.3 46.8 0 020 18.8 25 020 0.0 8 674.7 BS 6 44.2 51.1 47.6 0 030 23.6 28 030 20.1 6 674.4 BS 7 48.3 55.9 51.6 0 030 20.4 28 030 20.1 3 676.5 BS 8 50.6 58.9 57.4 0 060 12.8 25 030 21.1 4 678.2 BS 9 52.5 58.9 54.7 T 030 11.0 20 030 24.0 6 685.4 IC 10 46.4 54.4 50.1 T 020 10.9 17 020 0.0 8 693.6 IC 11 46.4 52.2 48.9 T 030 12.2 19 030 3.0 5 693.2 IC 12 45.9 50.9 48.0 0 100 14.7 20 100 24.0 1 686.0 13 46.7 55.9 53.8 T 110 11.1 17 110 24.0 0 684.8 IC 14 53.9 58.3 55.9 T 050 10.1 14 110 24.0 0 689.5 IC 15 50.3 56.1 52.4 T 040 14.1 18 040 24.0 1 691.6 IC 16 47.0 57.8 48.8 T 030 16.7 20 030 24.0 2 689.6 IC,BS,IF 17 46.4 52.5 50.7 T 070 12.3 20 040 24.0 2 685.9 IC,BS 18 47.5 53.3 50.8 T 060 11.7 16 060 24.0 2 683.3 IC 19 44.2 52.8 47.6 T 010 15.1 22 010 7.2 8 680.4 IC,BS 20 42.5 47.2 44.6 0 010 16.3 22 360 0.0 6 678.7 BS 21 42.8 48.3 45.9 T 030 13.4 24 010 3.0 3 674.8 IC,BS 22 44.4 50.0 46.7 T 020 13.9 21 020 24.0 6 673.0 IC 23 45.0 51.4 49.6 T 060 9.1 18 020 8.0 3 674.5 IC 24 49.2 52.8 50.9 T 050 9.1 13 060 24.0 6 678.2 IC 25 45.9 52.2 48.6 T 010 13.7 17 010 0.0 8 683.2 IC 26 44.2 50.0 46.0 T 060 10.0 18 010 0.0 6 685.7 IC,IF 27 44.8 51.1 49.0 0 060 15.0 22 050 24.0 1 684.5 28 44.8 50.6 45.4 0 030 17.9 22 030 24.0 1 686.0 BS 29 44.8 50.0 47.9 T 020 12.2 22 030 24.0 6 689.2 IC,BS 30 40.9 49.4 43.2 T 020 17.9 23 020 0.0 6 694.0 IC,BS 31 41.4 43.9 42.3 T 030 19.5 24 030 3.0 7 694.0 IC,BS AVG 46.8 53.5 49.8 T 030 15.0 30 010 13.1 5 682.8 4th AVG MONTHLY -49.8 PCPN TRACE NR DAYS CLEAR 09 HIGHEST -40.9 ON 30th SUNSHINE 405.5/ 55% PARTLY CLOUDY 13 LOWEST -68.3 ON 1st CLOUDY 09 HIGH PRESSURE 696.2 ON 31st LOW PRESSURE 669.5 ON 1st NET CHANGE IN SNOWSTAKE FIELD: M SNOWSTAKE DATA NOT AVAILABLE. SUNSHINE DATA BASED ON SUNRISE ON THE 21st. 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 -42.2 -40.9 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 48.0 46.8 Avg Wnd Spd 15.2 15.0 Avg Press 682.4 682.8 Min T 53.2 53.5 Max Press Fastest Wnd MPH Avg T 50.6 49.8 Min Press Changes to Daily Data: Max Temp Day 1 2 3 4 6 9 10 11 12 15 16 17 18 19 20 24 From: 63.9 53.9 53.3 44.4 48.3 54.4 50.6 47.8 46.1 51.7 47.8 47.2 48.3 47.2 43.9 50.0 To: 59.7 53.1 48.6 43.6 44.2 52.5 46.4 46.4 45.9 50.3 47.0 46.4 47.5 44.2 42.5 49.2 Day 25 26 27 28 29 30 31 From: 48.9 44.4 45.0 45.0 45.6 42.8 42.2 To: 45.9 44.2 44.8 44.8 44.8 40.9 41.4 Min Temp Day 7 12 13 17 23 From: 51.1 50.0 53.9 51.7 51.1 To: 55.9 50.9 55.9 52.5 51.4 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 66.1 58.3 55.8 49.7 46.1 49.7 49.7 54.7 56.7 52.5 50.0 48.1 50.3 56.1 53.9 52.8 To: 62.9 55.5 54.4 45.2 46.8 47.6 51.6 57.4 54.7 50.1 48.9 48.0 53.8 55.9 52.4 48.8 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 49.4 50.8 50.0 45.6 45.6 47.2 48.1 51.4 50.6 47.2 48.1 47.8 47.8 46.1 43.1 To: 50.7 50.8 47.6 44.6 45.9 46.7 49.6 50.9 48.6 46.0 49.0 45.4 47.9 43.2 42.3 Number of NCDC observations per day: 24