***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1978 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 56.1 64.0 59.3 T 080 11.4 14 080 0.0 0 674.8 2 50.0 61.2 55.5 T 040 13.8 18 080 0.0 2 673.6 3 47.3 61.0 48.9 T 020 18.3 24 030 0.0 5 677.6 BS 4 47.9 60.0 52.6 0 030 18.1 23 020 0.0 6 681.1 BS 5 42.2 51.1 44.0 0 010 22.2 28 020 0.0 8 679.5 BS 6 41.5 47.8 45.1 0 010 21.3 30 010 0.0 7 681.7 BS 7 43.6 57.8 56.0 0 050 10.6 26 020 0.0 1 683.0 BS 8 55.0 67.2 64.1 T 070 8.9 18 040 0.0 0 681.4 9 63.8 68.3 66.9 T 150 8.3 12 070 0.0 0 676.0 10 65.3 71.0 68.6 T 030 10.1 17 090 0.0 2 671.7 11 55.6 69.8 58.3 T 020 15.0 28 020 0.0 4 671.5 BS 12 55.7 66.1 64.2 T 080 8.9 22 010 0.0 0 670.2 BS 13 57.8 67.0 62.5 T 070 9.5 15 040 0.0 0 672.6 14 45.6 66.5 47.6 T 020 15.5 23 020 0.0 3 681.2 BS 15 44.1 52.8 48.7 0 010 13.3 23 030 0.0 1 683.6 BS 16 47.5 55.1 53.5 T 050 8.6 16 020 0.0 0 678.7 BS 17 51.8 61.2 59.6 T 090 8.1 15 030 0.0 0 675.0 18 57.9 66.1 65.0 T 080 9.7 12 090 0.0 1 682.7 19 50.0 67.6 56.8 T 100 7.8 12 070 0.0 4 696.3 20 47.3 59.5 52.8 T 100 12.9 17 100 0.0 2 698.2 21 51.3 59.3 54.9 T 070 14.7 23 110 0.0 3 691.7 BS 22 51.1 64.4 59.1 T 070 10.6 21 070 0.0 1 683.1 BS 23 57.8 67.0 62.1 T 030 11.8 16 070 0.0 3 683.2 24 55.3 66.3 57.5 0 040 11.2 21 020 0.0 2 691.3 BS 25 55.1 65.6 64.4 T 100 6.9 14 050 0.0 1 692.8 26 63.3 66.2 64.9 T 110 8.1 12 100 0.0 0 688.5 27 62.8 66.3 64.0 T 090 9.7 12 110 0.0 1 687.3 28 56.7 65.3 60.3 T 040 11.0 14 090 0.0 3 685.7 29 48.9 66.1 52.1 T 040 15.0 22 030 0.0 6 689.1 BS 30 45.0 53.6 49.2 0 010 17.0 26 020 0.0 5 686.3 BS 31 38.3 50.3 40.5 0 010 21.0 29 020 0.0 8 683.2 BS AVG 52.0 62.3 56.7 T 010 12.6 30 010 0.0 3 682.3 6th AVG MONTHLY -56.7 PCPN TRACE NR DAYS CLEAR 18 HIGHEST -38.3 ON 31st SUNSHINE 0.0/ 0% PARTLY CLOUDY 10 LOWEST -71.0 ON 10th CLOUDY 03 HIGH PRESSURE 699.1 ON 20th LOW PRESSURE 667.8 ON 13th NET CHANGE IN SNOWSTAKE FIELD: +1.19 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. Changed Extremes: From To Max T -41.5 -38.3 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 53.3 52.0 Avg Wnd Spd 12.1 12.6 Avg Press Min T 61.3 62.3 Max Press Fastest Wnd MPH Avg T 57.3 56.7 Min Press Changes to Daily Data: Max Temp Day 1 2 5 13 14 19 23 26 27 28 29 30 31 From: 60.3 55.2 43.4 60.3 47.7 57.6 58.1 64.2 63.1 59.8 53.6 48.7 41.7 To: 56.1 50.0 42.2 57.8 45.6 50.0 57.8 63.3 62.8 56.7 48.9 45.0 38.3 Min Temp Day 4 6 7 8 12 15 18 22 25 From: 52.0 44.0 55.5 64.5 64.3 47.9 65.5 58.1 64.8 To: 60.0 47.8 57.8 67.2 66.1 52.8 66.1 64.4 65.6 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 62.2 58.2 54.2 50.0 47.3 42.8 49.5 59.8 66.1 68.2 62.7 60.0 63.7 57.1 46.0 51.3 To: 59.3 55.5 48.9 52.6 44.0 45.1 56.0 64.1 66.9 68.6 58.3 64.2 62.5 47.6 48.7 53.5 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 56.5 61.7 62.6 53.4 55.3 54.6 62.5 60.8 60.0 65.2 64.7 62.6 59.8 51.2 46.0 To: 59.6 65.0 56.8 52.8 54.9 59.1 62.1 57.5 64.4 64.9 64.0 60.3 52.1 49.2 40.5 Number of NCDC observations per day: 4