***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1978 MONTH SEPTEMBER .... 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 43.7 54.4 51.9 0 020 23.2 41 020 0.0 5 683.1 BS 2 42.2 54.6 46.1 0 040 29.3 41 040 0.0 7 686.0 BS 3 37.7 46.5 41.9 0 030 28.5 46 030 0.0 6 684.5 BS 4 40.6 48.9 45.8 0 030 25.3 40 030 0.0 4 683.8 BS 5 42.2 55.0 51.8 T 030 16.7 43 020 0.0 3 683.2 BS 6 49.5 56.7 54.3 0 090 19.6 29 110 0.0 2 677.7 IF,BS 7 53.6 66.7 63.7 0 070 12.6 26 100 0.0 1 679.3 IF,BS 8 62.7 67.8 64.2 0 090 12.0 16 090 0.0 0 678.3 9 63.3 67.8 66.9 0 110 8.9 15 090 0.0 2 679.8 10 48.9 68.9 55.3 0 300 4.9 13 010 0.0 8 684.8 IF 11 47.8 62.2 53.2 T 360 4.9 14 350 0.0 6 680.3 IF 12 49.5 71.7 68.3 T 100 7.2 12 100 0.0 1 673.2 13 63.3 72.4 67.2 0 080 4.6 12 110 0.0 3 674.5 14 60.8 70.6 64.2 T 090 9.5 12 070 0.0 5 670.0 15 60.4 70.0 66.5 T 110 12.4 17 110 0.0 2 665.7 16 62.3 76.9 74.7 0 120 10.1 21 130 0.0 0 660.6 IF 17 73.9 78.0 77.7 0 120 7.2 18 130 0.0 1 661.4 IF 18 61.7 78.0 68.1 0 010 8.6 12 090 0.0 7 667.3 19 55.0 71.9 58.7 T 010 5.7 20 010 0.0 6 672.2 IF,BS 20 55.1 64.4 60.1 T 070 11.2 15 070 0.0 2 674.4 21 55.6 65.9 64.2 0 080 14.7 18 070 M 2 667.6 IF 22 60.8 67.2 64.8 0 070 12.4 23 090 M 2 663.7 IF,BS 23 63.5 71.3 66.5 T 040 13.8 18 030 M 3 668.0 IF 24 64.7 70.7 66.4 0 050 12.1 20 040 M 2 672.3 IF,BS 25 57.6 67.8 60.8 0 060 13.5 21 050 M 3 671.0 IF,BS 26 53.7 62.4 55.8 0 020 15.9 26 030 M 5 672.7 IF,BS 27 53.8 59.4 57.1 0 050 13.5 29 010 M 2 684.0 IF,BS 28 53.3 60.5 56.2 0 070 14.7 23 030 M 3 682.2 IF,BS 29 52.1 65.6 60.0 0 070 14.1 25 070 M 2 669.8 IF,BS 30 57.6 66.7 64.3 T 110 9.8 21 070 M 2 663.8 AVG 54.9 65.4 60.6 T 070 13.2 46 030 M 3 674.5 3rd AVG MONTHLY -60.6 PCPN TRACE NR DAYS CLEAR 15 HIGHEST -37.7 ON 3rd SUNSHINE M PARTLY CLOUDY 12 LOWEST -78.0 ON 17th,18th CLOUDY 03 HIGH PRESSURE 687.0 ON 2nd LOW PRESSURE 658.6 ON 30th NET CHANGE IN SNOWSTAKE FIELD: -0.93 inches NO SUNSHINE DATA AVAILABLE. Sunrise occurred at 0614UTC on day 21. Sunrise 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 Extremes: From To Max T Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 55.8 54.9 Avg Wnd Spd 13.5 13.2 Avg Press Min T 64.1 65.4 Max Press Fastest Wnd MPH Avg T 60.0 60.6 Min Press Changes to Daily Data: Max Temp Day 2 10 13 18 19 28 From: 46.5 55.2 66.8 71.4 55.1 55.5 To: 42.2 48.9 63.3 61.7 55.0 53.3 Min Temp Day 1 4 5 6 7 9 11 12 15 16 17 20 22 27 29 30 From: 51.7 48.7 54.9 55.4 63.6 67.3 55.2 67.1 67.3 73.9 77.8 63.5 66.6 57.8 58.0 66.1 To: 54.4 48.9 55.0 56.7 66.7 67.8 62.2 71.7 70.0 76.9 78.0 64.4 67.2 59.4 65.6 66.7 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 47.7 50.5 42.1 44.7 48.6 52.5 58.6 65.3 65.3 62.1 51.5 58.3 69.6 65.7 63.9 68.1 To: 51.9 46.1 41.9 45.8 51.8 54.3 63.7 64.2 66.9 55.3 53.2 68.3 67.2 64.2 66.5 74.7 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 75.9 74.7 63.5 59.3 60.8 63.7 67.4 67.7 62.7 58.1 55.8 58.0 55.0 61.8 To: 77.7 68.1 58.7 60.1 64.2 64.8 66.5 66.4 60.8 55.8 57.1 56.2 60.0 64.3 Number of NCDC observations per day: 4