***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1978 MONTH OCTOBER .... 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 53.3 69.6 55.8 T 010 11.2 24 010 1.1 8 679.8 BS 2 53.3 63.3 62.1 T 100 6.0 20 350 0.0 2 681.5 3 61.1 66.1 63.9 T 090 6.1 12 100 3.3 2 673.5 4 57.8 67.1 60.5 T 010 5.3 10 080 4.7 7 672.4 5 52.8 61.4 55.1 T 010 5.5 10 020 0.0 8 674.7 6 52.2 59.4 55.9 T 030 7.2 9 070 0.9 3 671.6 7 51.0 59.4 53.6 T 040 9.5 14 020 3.8 8 672.2 8 50.1 55.0 51.9 T 020 9.7 18 010 0.0 8 677.2 BS 9 48.9 53.9 50.1 T 020 15.3 18 010 0.0 7 681.1 BS 10 46.9 52.3 48.4 0 020 11.5 18 020 1.0 8 687.0 BS 11 44.8 52.8 50.7 0 070 8.9 17 020 0.0 6 687.8 12 42.8 54.9 47.6 T 070 16.7 20 070 17.4 5 678.2 13 42.5 52.2 47.6 0 040 15.5 25 050 1.4 4 673.1 BS 14 46.0 57.5 55.0 T 070 8.3 21 030 10.1 4 670.3 BS 15 48.3 58.3 49.8 T 020 10.9 15 010 6.2 8 665.9 16 47.6 52.8 50.8 0 020 13.5 18 010 0.8 7 665.3 BS 17 48.3 52.8 50.2 T 010 14.1 21 020 9.6 7 662.5 BS 18 48.1 53.3 52.1 T 010 11.0 23 010 10.7 5 666.5 BS 19 51.9 56.7 55.7 T 060 7.8 15 020 21.6 1 668.3 BS 20 50.0 57.0 51.9 T 040 14.9 18 040 22.4 6 669.0 BS 21 45.6 52.9 48.2 0 020 21.3 25 020 4.2 7 669.9 BS 22 30.6 49.1 33.6 0 350 22.4 33 010 0.0 8 683.6 BS 23 30.5 41.7 39.3 0 010 17.2 33 340 3.6 5 699.1 BS 24 36.0 47.2 41.4 T 060 11.2 26 020 18.6 4 685.3 BS 25 37.2 50.4 46.8 T 030 5.8 16 050 23.5 4 687.3 26 37.0 51.8 41.2 T 060 4.0 13 010 5.5 8 687.9 27 36.7 46.4 45.6 T 030 8.1 13 060 10.0 6 683.8 28 40.0 48.0 43.6 0 020 17.3 21 030 24.0 4 686.4 BS 29 37.6 45.7 40.5 0 010 15.5 30 020 4.6 7 691.6 BS 30 38.4 46.9 45.4 T 090 9.5 21 010 17.7 2 697.4 31 43.3 47.2 45.0 T 100 9.2 13 110 24.0 2 689.9 AVG 45.5 54.3 49.7 T 010 11.3 33 340 8.1 6 678.7 22nd,23rd AVG MONTHLY -49.7 PCPN TRACE NR DAYS CLEAR 05 HIGHEST -30.5 ON 23rd SUNSHINE 250.7/ 34% PARTLY CLOUDY 12 LOWEST -69.6 ON 1st CLOUDY 14 HIGH PRESSURE 701.3 ON 24th LOW PRESSURE 660.0 ON 1st NET CHANGE IN SNOWSTAKE FIELD: +1.04 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 Extremes: From To Max T Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 46.4 45.5 Avg Wnd Spd Avg Press 678.4 678.7 Min T 53.7 54.3 Max Press Fastest Wnd MPH Avg T 50.1 49.7 Min Press Changes to Daily Data: Max Temp Day 1 3 4 5 6 9 12 15 17 20 21 22 28 31 From: 56.6 61.2 60.2 55.3 52.5 49.1 48.5 48.8 49.7 52.6 47.9 33.3 44.3 43.5 To: 53.3 61.1 57.8 52.8 52.2 48.9 42.8 48.3 48.3 50.0 45.6 30.6 40.0 43.3 Min Temp Day 2 3 6 11 13 16 18 19 23 24 31 From: 62.1 63.4 57.4 52.4 49.7 52.1 52.1 56.4 41.0 42.0 47.1 To: 63.3 66.1 59.4 52.8 52.2 52.8 53.3 56.7 41.7 47.2 47.2 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 63.1 57.7 62.3 63.7 58.4 55.0 55.2 52.5 51.5 49.6 48.6 51.7 46.1 51.8 53.5 49.8 To: 55.8 62.1 63.9 60.5 55.1 55.9 53.6 51.9 50.1 48.4 50.7 47.6 47.6 55.0 49.8 50.8 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 51.3 50.1 54.2 54.8 50.4 41.2 35.8 39.0 43.8 44.4 41.6 46.2 41.7 42.7 45.3 To: 50.2 52.1 55.7 51.9 48.2 33.6 39.3 41.4 46.8 41.2 45.6 43.6 40.5 45.4 45.0 Number of NCDC observations per day: 4