***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1978 MONTH JANUARY .... 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 22.2 25.5 23.6 T 010 12.1 20 330 5.4 8 688.0 BS 2 23.3 26.6 25.3 0 360 12.8 18 360 7.8 4 686.0 3 22.8 26.7 24.6 0 010 6.2 17 360 23.4 3 685.6 4 22.8 26.6 25.8 0 090 5.4 7 010 24.0 2 685.8 5 23.3 27.2 25.3 0 080 6.4 8 090 24.0 4 686.0 6 25.0 26.7 26.4 0 090 8.1 9 090 24.0 0 684.6 7 26.1 27.2 26.4 0 070 8.3 14 080 24.0 0 680.7 8 25.0 27.7 26.5 T 030 8.5 12 040 24.0 4 680.4 9 25.0 28.9 28.1 T 040 8.2 17 020 16.3 4 682.9 10 27.8 30.0 29.3 T 090 9.0 14 010 23.4 4 681.9 11 27.2 30.0 29.1 T 090 8.1 11 200 19.5 2 681.9 12 27.2 30.0 28.2 0 090 8.4 11 090 24.0 0 679.7 13 28.3 30.0 28.8 0 090 6.2 11 100 24.0 2 677.3 14 27.7 30.0 28.3 T 040 6.7 13 040 13.3 6 679.6 15 28.3 32.2 30.0 T 030 8.8 16 030 15.9 4 684.9 16 30.0 31.7 30.8 T 020 13.4 19 020 15.5 4 692.2 17 30.0 33.9 32.4 T 090 9.5 14 030 23.7 1 690.6 18 23.9 33.9 28.5 T 020 17.7 27 020 22.9 6 687.5 BS 19 23.3 30.0 24.4 T 340 12.7 27 020 14.7 8 687.0 BS 20 22.8 33.9 31.6 T 120 4.2 20 350 20.1 2 684.2 BS 21 31.1 34.4 32.3 T 100 12.5 16 090 24.0 2 683.0 22 30.6 33.3 32.1 T 080 10.3 18 100 24.0 2 685.5 23 31.7 33.9 32.8 T 080 8.8 10 080 24.0 5 687.5 24 27.8 35.0 32.7 T 070 10.2 16 030 16.3 2 688.4 25 31.1 35.6 34.7 T 100 8.4 14 110 24.0 5 690.3 26 33.9 36.1 35.5 0 080 4.8 10 080 24.0 3 693.6 27 33.3 36.1 35.6 T 090 7.7 13 110 23.6 2 687.9 28 32.2 36.7 34.8 0 070 8.2 12 100 19.4 4 686.3 29 32.2 38.3 37.7 T 080 3.3 13 030 18.4 6 688.0 30 33.3 38.9 38.2 T 120 8.1 11 110 16.9 2 685.2 31 36.7 38.9 38.2 T 120 7.5 12 110 24.0 3 686.2 AVG 27.9 31.8 30.3 T 090 8.7 27 020 20.3 3 685.4 18th,19th AVG MONTHLY -30.3 PCPN TRACE NR DAYS CLEAR 13 HIGHEST -22.2 ON 1st SUNSHINE 628.5/ 85% PARTLY CLOUDY 16 LOWEST -38.9 ON 30th,31st CLOUDY 02 HIGH PRESSURE 694.2 ON 26th LOW PRESSURE 676.9 ON 13th 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 Min T -38.3 -38.9 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 28.1 27.9 Avg Wnd Spd 8.8 8.7 Avg Press Min T 31.6 31.8 Max Press 693.0 694.2 Fastest Wnd MPH Avg T 29.8 30.3 Min Press 677.9 676.9 Changes to Daily Data: Max Temp Day 12 14 18 From: 27.8 27.8 29.4 To: 27.2 27.7 23.9 Min Temp Day 1 2 4 8 20 22 23 25 30 31 From: 25.0 25.6 26.1 27.2 31.7 32.8 33.3 35.0 38.3 38.3 To: 25.5 26.6 26.6 27.7 33.9 33.3 33.9 35.6 38.9 38.9 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 23.6 24.4 24.7 24.4 25.3 25.8 26.7 26.1 26.9 28.9 28.6 28.9 29.2 28.9 30.3 30.8 To: 23.6 25.3 24.6 25.8 25.3 26.4 26.4 26.5 28.1 29.3 29.1 28.2 28.8 28.3 30.0 30.8 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 31.9 31.7 26.7 27.2 32.8 31.7 32.5 31.4 33.1 35.0 34.7 34.4 35.3 35.8 37.5 To: 32.4 28.5 24.4 31.6 32.3 32.1 32.8 32.7 34.7 35.5 35.6 34.8 37.7 38.2 38.2 Number of NCDC observations per day: 8