***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1979 MONTH MAY .... 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 42.6 57.0 55.7 T 130 9.7 13 130 0.0 0 678.5 2 54.7 63.0 62.5 T 130 13.5 17 130 0.0 1 673.4 3 62.4 68.0 66.9 T 140 10.6 20 130 0.0 0 672.4 4 66.1 70.0 68.1 T 120 7.2 15 130 0.0 0 674.5 5 65.0 71.3 67.6 T 090 6.6 10 140 0.0 0 680.3 6 61.7 69.9 63.2 T 080 8.9 12 080 0.0 0 677.4 7 54.0 65.0 56.6 T 070 7.8 13 080 0.0 0 666.8 8 54.0 63.9 60.0 T 100 8.6 10 090 0.0 1 675.0 9 48.0 64.6 56.3 T 060 11.5 14 090 0.0 3 675.1 10 47.9 62.2 54.3 T 030 11.8 17 050 0.0 3 677.1 11 51.3 67.8 65.3 T 080 6.7 17 030 0.0 1 681.9 12 61.7 67.9 62.9 T 130 6.9 9 100 0.0 1 680.7 13 57.7 64.4 61.7 T 120 10.6 15 110 0.0 1 674.6 14 60.0 65.7 62.5 T 100 10.0 16 110 0.0 2 669.2 15 53.7 64.0 58.9 T 080 11.2 17 080 0.0 0 664.0 16 56.6 68.7 66.2 T 060 7.5 14 070 0.0 0 665.7 17 62.2 68.3 62.9 T 080 9.7 13 050 0.0 0 670.5 18 61.5 66.3 64.1 T 080 9.5 14 070 0.0 0 671.6 19 62.9 66.7 66.1 T 090 9.2 13 080 0.0 2 672.3 20 63.3 67.3 65.1 T 090 9.7 13 070 0.0 2 670.6 21 61.3 68.1 63.9 T 090 10.6 15 100 0.0 1 664.0 22 61.9 71.1 69.7 T 080 6.7 14 090 0.0 0 672.8 23 57.0 72.7 61.0 T 010 6.5 11 070 0.0 4 676.2 24 56.1 68.9 62.5 T 020 6.9 15 010 0.0 4 672.0 25 58.7 72.4 64.9 T 010 8.0 13 010 0.0 2 672.1 26 47.2 66.4 50.9 T 340 8.3 13 010 0.0 8 675.9 27 42.3 61.7 53.3 T 190 9.2 16 200 0.0 0 677.1 28 50.7 63.3 61.6 T 170 6.7 16 190 0.0 2 675.2 29 57.0 65.0 58.6 T 080 4.5 10 130 0.0 2 669.8 30 55.8 67.7 63.5 T 110 2.6 9 090 0.0 4 663.6 31 49.5 66.8 53.2 T 340 7.2 12 350 0.0 6 668.6 AVG 56.3 66.6 61.6 T 080 8.5 20 130 0.0 2 672.9 3rd AVG MONTHLY -61.6 PCPN TRACE NR DAYS CLEAR 24 HIGHEST -42.3 ON 27th SUNSHINE 0.0/ 0% PARTLY CLOUDY 06 LOWEST -72.7 ON 23rd CLOUDY 01 HIGH PRESSURE 688.7 ON 1st LOW PRESSURE 662.3 ON 16th NET CHANGE IN SNOWSTAKE FIELD: +0.74 inches 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 57.2 56.3 Avg Wnd Spd Avg Press 673.2 672.9 Min T 65.7 66.6 Max Press Fastest Wnd MPH Avg T 61.5 61.6 Min Press Changes to Daily Data: Max Temp Day 5 6 7 9 12 14 17 20 23 26 29 From: 66.4 63.2 57.9 58.5 62.3 60.4 62.3 64.4 61.7 52.3 57.2 To: 65.0 61.7 54.0 48.0 61.7 60.0 62.2 63.3 57.0 47.2 57.0 Min Temp Day 2 3 4 8 10 11 13 19 22 24 27 From: 62.6 66.8 68.9 58.6 60.0 65.9 64.3 66.5 70.2 62.0 52.3 To: 63.0 68.0 70.0 63.9 62.2 67.8 64.4 66.7 71.1 68.9 61.7 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 From: 49.8 58.7 64.6 67.5 68.9 66.6 61.5 56.3 61.5 54.0 58.6 65.1 61.0 63.0 62.6 To: 55.7 62.5 66.9 68.1 67.6 63.2 56.6 60.0 56.3 54.3 65.3 62.9 61.7 62.5 66.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 65.3 63.9 64.7 65.9 64.7 66.1 67.2 59.0 65.6 59.4 47.3 57.0 61.1 61.8 58.2 To: 62.9 64.1 66.1 65.1 63.9 69.7 61.0 62.5 64.9 50.9 53.3 61.5 58.6 63.5 53.2 Number of NCDC observations per day: 4