***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1973 MONTH NOVEMBER .... 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 35.3 42.8 37.9 0 040 21.8 29 040 19.3 7 690.2 BS 2 35.0 40.3 38.0 0 020 24.0 32 020 0.0 5 683.4 BS 3 38.3 42.8 41.2 T 040 19.3 30 020 16.3 3 687.2 BS,IC 4 37.2 42.8 39.8 0 020 20.4 24 020 6.5 8 687.9 BS 5 37.2 42.0 40.5 0 020 19.3 23 030 15.8 1 689.4 BS 6 40.0 43.1 41.9 T 020 17.3 21 020 24.0 5 692.0 BS,IC 7 36.4 42.8 39.1 T 070 12.9 18 060 24.0 5 689.9 IC,IF 8 34.2 40.0 37.8 T 020 16.1 20 020 24.0 5 690.2 IC,IF 9 34.4 38.3 36.1 T 040 15.8 21 050 24.0 2 689.7 IC,IF 10 34.8 36.7 36.2 T 020 17.3 21 010 23.8 5 687.9 IC,IF,BS 11 33.1 37.2 34.5 T 020 12.7 20 010 7.6 8 690.7 IC,IF 12 32.8 36.7 35.5 0 040 8.8 12 360 10.5 5 695.3 IF 13 28.1 36.7 33.9 0 040 14.3 18 030 24.0 6 696.1 14 26.4 36.1 27.6 T 360 17.4 23 350 24.0 8 694.9 IF,SG,BS 15 26.7 31.1 29.4 T 360 14.6 20 340 20.0 8 694.8 IF 16 27.0 30.6 28.2 T 360 11.7 16 360 2.0 7 689.8 IF 17 26.7 35.9 33.4 T 200 9.2 17 330 24.0 2 679.2 IF,IC 18 32.0 36.7 34.2 0 040 10.3 14 060 15.8 7 678.6 19 32.2 35.0 33.9 T 040 11.6 16 030 2.1 7 678.2 IC,IF 20 33.1 34.8 34.0 T 020 13.4 17 030 1.3 8 676.2 IC,IF,BS 21 33.9 36.4 35.4 T 020 13.8 18 030 12.6 5 675.2 IC 22 34.4 37.2 35.9 T 020 11.5 17 020 20.8 2 676.5 IC,BS 23 34.8 37.0 36.1 0 040 10.4 15 050 24.0 0 679.2 24 34.8 37.2 35.7 0 070 8.8 12 040 24.0 0 680.4 25 32.0 36.1 33.2 T 020 8.1 12 040 16.1 6 683.2 IF 26 30.0 34.4 31.7 T 070 6.9 12 030 6.6 6 684.8 IF 27 30.6 36.1 35.2 0 040 7.0 9 040 18.3 2 682.6 IC,IF 28 33.7 36.4 35.0 T 020 9.2 13 020 19.2 4 680.8 29 33.7 36.1 34.6 0 090 11.3 14 110 23.5 0 678.7 IC 30 32.0 35.0 32.5 T 090 13.2 17 070 24.0 1 676.4 IC AVG 33.0 37.5 35.3 T 020 13.0 32 020 16.6 5 685.2 2nd AVG MONTHLY -35.3 PCPN TRACE NR DAYS CLEAR 09 HIGHEST -26.4 ON 14th SUNSHINE 498.1/ 69% PARTLY CLOUDY 12 LOWEST -43.1 ON 6th CLOUDY 09 HIGH PRESSURE 696.6 ON 13th LOW PRESSURE 672.5 ON 30th 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 -26.7 -26.4 Min T -42.8 -43.1 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 33.9 33.0 Avg Wnd Spd 12.9 13.0 Avg Press 685.3 685.2 Min T 37.2 37.5 Max Press 696.1 696.6 Fastest Wnd MPH Avg T 35.6 35.3 Min Press 675.2 672.5 Changes to Daily Data: Max Temp Day 1 4 7 8 10 11 13 14 16 18 20 23 24 25 28 29 From: 37.2 40.0 38.3 37.2 35.0 34.4 35.0 27.8 27.2 34.4 33.3 35.0 35.6 32.2 33.9 34.4 To: 35.3 37.2 36.4 34.2 34.8 33.1 28.1 26.4 27.0 32.0 33.1 34.8 34.8 32.0 33.7 33.7 Day 30 From: 33.3 To: 32.0 Min Temp Day 2 3 5 6 15 17 20 21 23 28 From: 38.9 41.7 40.6 42.8 30.6 34.4 34.4 36.1 36.7 36.1 To: 40.3 42.8 42.0 43.1 31.1 35.9 34.8 36.4 37.0 36.4 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 40.0 36.9 40.0 41.4 38.9 41.4 40.6 38.6 36.4 35.8 35.8 34.7 35.8 31.9 28.6 28.9 To: 37.9 38.0 41.2 39.8 40.5 41.9 39.0 37.8 36.1 36.2 34.5 35.5 33.8 27.6 29.4 28.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 30.6 35.6 33.6 33.9 35.0 35.8 35.8 36.4 34.2 32.2 33.3 35.0 35.3 34.2 To: 33.4 34.2 33.9 34.0 35.4 35.9 36.1 35.7 33.2 31.7 35.0 35.0 34.6 32.5 Number of NCDC observations per day: 24