***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1969 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 51.1 58.3 54.2 0 110 11.9 17 060 24.0 0 691.7 2 52.8 63.3 60.5 0 100 12.7 18 100 24.0 0 682.7 3 59.4 63.3 62.4 0 020 16.9 20 020 24.0 1 680.8 BS 4 60.0 62.8 60.8 0 020 12.3 20 010 24.0 2 685.7 5 56.1 61.7 57.3 0 090 10.9 17 090 11.7 5 684.4 6 53.9 60.0 55.5 T 010 13.8 18 070 9.4 6 686.0 SG 7 52.8 55.0 53.3 T 020 18.7 23 010 0.0 6 694.9 SG,BS 8 38.1 53.9 45.4 0 010 29.0 36 020 0.0 6 696.9 BS 9 37.0 48.3 40.0 0 020 23.6 46 010 0.0 8 695.4 BS 10 40.0 48.6 46.4 0 030 21.9 31 010 9.5 2 691.4 BS 11 44.4 55.0 52.7 0 040 15.5 30 030 24.0 1 683.7 BS 12 51.7 56.7 56.1 0 030 12.1 18 030 24.0 1 676.6 K 13 43.1 57.2 50.7 0 020 19.7 28 030 24.0 3 667.3 BS,K 14 40.3 53.3 43.3 0 360 16.6 29 030 9.6 7 668.0 BS,F,IC,K 15 39.4 45.9 43.2 T 360 16.9 34 330 0.0 7 678.1 BS,IC,IF,SG 16 42.2 46.1 45.1 0 010 8.3 22 360 7.2 4 676.9 IC,BS 17 43.9 48.9 47.4 T 010 14.5 19 360 9.6 6 681.1 SG,IC 18 46.7 50.9 49.3 0 030 15.0 19 020 9.6 2 677.2 BS,IC 19 48.6 51.1 49.3 0 020 15.5 18 010 12.0 6 678.9 BS 20 46.4 50.0 47.7 0 030 16.9 20 030 24.0 5 676.3 BS 21 36.4 48.3 39.9 0 360 23.6 32 010 18.0 7 673.9 BS 22 35.3 41.7 37.5 0 010 21.4 32 350 9.0 8 678.3 BS 23 37.2 47.0 43.1 T 010 18.0 30 010 0.0 6 676.5 SG,BS,IF 24 43.3 48.9 46.1 0 020 15.2 24 010 24.0 6 680.5 BS 25 35.9 48.9 39.7 T 020 14.7 21 010 20.4 7 681.6 SG,BS 26 35.3 41.1 39.3 T 360 11.8 18 020 8.9 6 686.9 SG,IC 27 34.8 41.1 38.2 0 360 17.8 22 350 0.0 8 689.3 BS 28 38.3 43.6 42.4 0 010 16.7 23 360 5.9 5 684.6 BS,IF 29 42.0 43.9 42.7 0 020 16.0 23 010 24.0 3 683.7 BS,IF 30 42.2 44.2 43.1 0 030 13.6 22 020 24.0 2 681.7 IC 31 42.8 44.8 44.5 0 020 16.1 20 030 24.0 2 681.0 IF AVG 44.2 51.1 47.6 T 020 16.4 46 010 13.8 4 682.3 9th AVG MONTHLY -47.6 PCPN TRACE NR DAYS CLEAR 10 HIGHEST -34.8 ON 27th SUNSHINE 428.8/ 58% PARTLY CLOUDY 14 LOWEST -63.3 ON 2nd,3rd CLOUDY 07 HIGH PRESSURE 699.3 ON 8th LOW PRESSURE 661.5 ON 14th 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 Extremes: From To Max T -35.0 -34.8 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 45.4 44.2 Avg Wnd Spd 16.3 16.4 Avg Press 682.5 682.3 Min T 50.5 51.1 Max Press 699.1 699.3 Fastest Wnd MPH Avg T 47.9 47.6 Min Press Changes to Daily Data: Max Temp Day 4 5 6 7 8 9 13 14 19 20 21 22 25 26 27 29 From: 60.6 56.7 54.4 53.3 48.3 37.2 53.3 42.8 48.9 48.3 38.3 35.6 40.0 35.6 35.2 42.2 To: 60.0 56.1 53.9 52.8 38.1 37.0 43.1 40.3 48.6 46.4 36.4 35.3 35.9 35.3 34.8 42.0 Min Temp Day 2 10 11 15 18 23 28 30 31 From: 59.4 46.1 51.7 44.4 48.9 43.3 42.2 43.9 44.4 To: 63.3 48.6 55.0 45.9 50.9 47.0 43.6 44.2 44.8 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 54.7 56.1 61.4 61.7 59.2 57.2 54.2 51.1 42.8 43.1 48.1 54.2 55.3 48.1 41.9 44.2 To: 54.2 60.5 62.4 60.8 57.3 55.5 53.3 45.4 40.0 46.4 52.7 56.1 50.7 43.3 43.2 45.1 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 46.4 47.8 50.0 49.2 43.3 38.6 40.3 46.1 44.4 38.3 38.1 40.3 43.1 43.1 43.6 To: 47.4 49.3 49.3 47.7 39.9 37.5 43.1 46.1 39.7 39.3 38.2 42.4 42.7 43.1 44.5 Number of NCDC observations per day: day 1 - day 11: 4 day 12: 6 day 13 - day 31: 8