***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1980 MONTH MARCH .... 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 45.5 51.6 46.5 T 040 15.0 26 050 6.0 8 676.5 2 44.5 50.0 48.7 T 030 13.8 24 030 6.2 6 681.4 3 47.7 51.2 50.5 T 040 14.4 23 040 17.0 6 682.6 4 49.5 54.0 51.1 T 030 14.4 24 030 2.6 6 684.7 5 49.1 55.7 54.7 T 090 5.8 25 020 14.9 3 686.3 6 54.1 58.0 56.9 T 090 8.9 12 090 24.0 4 681.3 7 53.0 58.4 55.0 0 050 11.2 21 040 20.6 6 680.0 8 50.6 54.8 52.8 T 040 12.7 24 040 9.7 8 683.4 9 49.6 58.0 54.4 0 040 7.4 28 020 3.5 5 679.6 10 51.0 58.0 52.4 T 100 14.7 26 090 12.5 6 675.4 11 49.2 58.0 53.9 0 070 8.1 21 070 0.0 3 682.4 12 50.6 59.0 57.7 T 050 9.5 21 050 0.0 2 690.1 13 55.0 60.4 56.7 T 100 13.0 21 090 0.0 2 685.3 14 51.5 59.4 55.4 0 060 5.5 33 120 0.0 6 670.5 15 52.1 61.1 59.2 0 070 7.4 26 050 0.0 3 675.8 16 53.0 62.0 55.2 T 060 10.6 16 070 0.0 6 682.9 17 53.2 58.5 55.5 T 110 11.2 21 080 0.0 5 685.2 18 49.0 57.4 53.2 0 090 12.0 20 090 0.0 6 675.3 19 49.3 52.7 51.5 0 030 18.1 24 020 0.0 6 678.4 20 50.2 52.6 51.2 0 020 15.0 30 020 0.0 8 680.0 21 47.4 55.6 52.1 0 100 9.2 31 020 0.0 4 679.6 22 50.4 58.9 58.6 0 080 9.7 16 070 0.0 2 683.0 23 56.0 60.0 58.2 0 090 10.1 17 090 0.0 4 685.5 24 56.3 60.0 58.0 0 120 10.6 21 110 0.0 4 682.3 25 55.0 62.6 58.5 T 070 12.1 16 100 0.0 5 684.1 26 51.7 62.3 57.0 0 050 12.0 24 050 0.0 4 686.3 27 53.0 62.1 58.0 0 060 6.7 18 050 0.0 7 690.0 28 49.5 60.0 50.5 0 030 8.1 16 050 0.0 7 689.5 29 50.4 59.0 56.7 0 050 9.5 16 040 0.0 5 688.8 30 50.0 59.7 53.0 0 040 12.1 32 030 0.0 6 687.8 31 49.1 59.0 57.5 0 100 10.3 21 050 0.0 2 683.7 AVG 50.9 57.7 54.5 T 040 10.9 33 120 5.4 5 682.3 14th AVG MONTHLY -54.5 PCPN TRACE NR DAYS CLEAR 04 HIGHEST -44.5 ON 2nd SUNSHINE 117.0/ 23% PARTLY CLOUDY 22 LOWEST -62.6 ON 25th CLOUDY 05 HIGH PRESSURE 691.9 ON 13th LOW PRESSURE 668.8 ON 15th NET CHANGE IN SNOWSTAKE FIELD: +1.00 inches Sunset occurred at 1342UTC on day 22. Sunset based on US Naval Observatory time. 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 51.3 50.9 Avg Wnd Spd 11.8 10.9 Avg Press 682.5 682.3 Min T 57.0 57.7 Max Press Fastest Wnd MPH Avg T 54.2 54.5 Min Press Changes to Daily Data: Max Temp Day 7 8 10 13 16 18 23 25 27 30 From: 53.1 51.7 51.6 55.4 55.7 51.5 56.4 56.0 53.5 53.7 To: 53.0 50.6 51.0 55.0 53.0 49.0 56.0 55.0 53.0 50.0 Min Temp Day 2 4 6 9 11 12 14 15 21 22 23 31 From: 49.0 51.8 56.2 54.5 53.9 58.8 57.2 57.7 54.5 58.8 59.6 57.4 To: 50.0 54.0 58.0 58.0 58.0 59.0 59.4 61.1 55.6 58.9 60.0 59.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 48.5 46.8 49.5 50.7 52.4 55.2 55.8 53.3 52.0 54.8 51.6 54.7 57.9 54.4 54.9 58.9 To: 46.5 48.7 50.5 51.1 54.7 56.9 55.0 52.8 54.4 52.4 53.9 57.7 56.7 55.4 59.2 55.2 Day 17 18 19 20 21 22 23 24 25 27 28 29 30 31 From: 55.9 54.5 51.0 51.4 51.0 54.6 58.0 58.2 59.3 57.8 54.8 54.7 56.7 53.3 To: 55.5 53.2 51.5 51.2 52.1 58.6 58.2 58.0 58.5 58.0 50.5 56.7 53.0 57.5 Number of NCDC observations per day: 4