***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1971 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 22.6 25.0 23.3 0 010 8.3 14 360 8.9 5 701.1 2 20.3 24.4 21.4 T 360 14.8 22 020 2.0 8 701.5 IC 3 20.6 24.2 22.7 T 340 10.6 25 360 1.0 6 703.7 IC,IF 4 22.2 25.0 23.4 0 360 8.5 16 030 14.5 5 702.3 IF 5 21.7 24.2 23.0 T 360 6.0 17 030 3.0 6 702.0 SG,IF 6 22.2 25.6 24.1 T 060 6.0 12 350 0.0 5 699.4 SG,IF 7 17.0 25.6 21.6 0 050 10.2 15 030 20.5 5 696.2 IF 8 16.4 25.6 21.4 0.05 320 7.8 18 360 0.0 6 693.3 SG,IF 9 22.8 26.7 25.2 0 320 3.6 16 330 14.0 6 690.8 10 23.1 26.7 24.1 0.02 300 5.0 9 250 2.9 6 692.7 SG,IF 11 23.3 26.1 25.3 T 070 10.5 14 050 15.1 3 691.9 SG,IF 12 24.8 26.1 25.0 0 050 7.5 15 050 24.0 4 692.8 13 22.6 26.1 24.0 T 360 8.5 12 350 9.6 7 694.1 SG,IC,IF 14 20.9 25.6 22.9 T 020 18.4 23 010 17.0 7 688.2 IC,IF 15 20.0 23.9 21.1 T 360 12.1 31 350 3.3 8 692.8 SG,BS,IC,IF 16 21.1 24.4 23.0 T 010 10.0 18 300 0.5 7 696.7 SG,BS,IF 17 20.6 25.0 22.4 T 020 8.8 16 360 4.3 6 690.4 SG,IC,IF 18 21.1 28.1 25.4 0.03 350 4.5 17 360 10.6 6 687.0 SG,IF 19 23.1 29.4 25.5 T 360 11.2 16 020 14.3 7 688.7 SG,IF 20 23.9 27.2 25.5 T 360 15.4 23 010 15.4 6 690.5 IC,BS,IF 21 25.0 27.0 25.7 T 020 15.4 17 020 24.0 1 689.6 IC,BS,IF 22 24.2 28.1 26.7 T 010 9.8 18 010 17.5 6 692.5 SG,IC,IF 23 23.7 31.1 26.4 T 350 5.1 14 350 7.2 5 692.7 SG,IC,IF 24 22.6 27.2 24.0 T 080 10.0 18 080 3.2 7 690.1 SG,IF 25 21.4 28.1 24.3 0.03 360 9.8 23 320 4.4 7 693.3 SG,IF 26 23.9 28.9 26.3 0 040 12.3 17 030 11.5 5 695.7 IF 27 25.6 29.4 28.7 T 010 9.3 18 010 17.4 3 692.0 IC,IF 28 27.8 30.3 29.4 0 020 10.6 15 020 24.0 3 690.0 29 28.3 31.4 30.0 0 020 9.2 14 020 11.4 7 695.5 IF 30 29.4 32.2 30.6 T 030 13.6 17 040 18.3 6 693.2 IC,IF 31 29.4 33.1 31.3 0.1 020 8.6 18 020 23.9 8 692.8 IC,IF AVG 23.0 27.2 25.0 T 360 9.7 31 350 11.1 6 694.0 15th AVG MONTHLY -25.0 PCPN 0.14 NR DAYS CLEAR 02 HIGHEST -16.4 ON 8th SUNSHINE 343.7/46.2% PARTLY CLOUDY 17 LOWEST -33.1 ON 31st CLOUDY 12 HIGH PRESSURE 704.0 ON 4th LOW PRESSURE 686.1 ON 19th NET CHANGE IN SNOWSTAKE FIELD: 9.99 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 -18.9 -16.4 Min T -32.2 -33.1 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 23.5 23.0 Avg Wnd Spd 9.8 9.7 Avg Press 693.5 694.0 Min T 26.9 27.2 Max Press 703.7 704.0 Fastest Wnd MPH Avg T 25.2 25.0 Min Press Changes to Daily Data: Max Temp Day 1 2 7 8 10 12 13 14 19 22 23 24 25 From: 22.8 20.6 22.8 18.9 23.9 25.0 23.9 22.2 23.3 24.4 26.7 23.3 21.7 To: 22.6 20.3 17.0 16.4 23.1 24.8 22.6 20.9 23.1 24.2 23.7 22.6 21.4 Min Temp Day 3 5 18 21 22 25 28 29 31 From: 23.3 23.3 27.2 26.7 27.2 26.1 30.0 30.6 31.7 To: 24.2 24.2 28.1 27.0 28.1 28.1 30.3 31.4 33.1 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 23.9 22.5 21.9 23.6 22.5 23.9 24.2 22.2 24.7 25.3 24.7 25.6 25.0 23.9 21.9 22.8 To: 23.3 21.4 22.7 23.4 23.0 24.1 21.6 21.4 25.2 24.1 25.3 25.0 24.0 22.9 21.1 23.0 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 22.8 24.2 26.4 25.6 25.8 25.8 28.9 25.3 23.9 26.4 27.5 28.9 29.4 30.8 30.6 To: 22.4 25.4 25.5 25.5 25.7 26.7 26.4 24.0 24.3 26.3 28.7 29.4 30.0 30.6 31.3 Number of NCDC observations per day: 8