***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1969 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 60.0 70.0 69.8 0 110 12.1 18 110 0.0 0 658.8 2 70.0 73.9 72.7 0 110 10.8 16 110 0.0 0 660.9 3 53.3 73.9 59.6 0 310 4.9 14 100 0.0 6 667.8 4 43.6 61.7 45.3 T 230 8.7 15 280 0.0 8 668.6 SG 5 41.7 52.2 47.4 0 210 4.6 17 220 0.0 7 667.2 6 39.4 56.7 41.3 T 320 8.6 13 290 0.0 8 671.9 SG 7 38.9 56.1 49.9 0 350 9.5 15 320 0.0 6 676.8 8 47.2 62.2 59.5 0 060 7.8 15 020 0.0 3 676.1 9 58.3 65.6 62.8 0 020 17.0 21 030 0.0 0 670.2 10 56.7 63.3 58.3 0 010 9.2 25 360 0.0 8 670.4 BS 11 56.1 61.7 59.9 0 130 3.2 12 010 0.0 5 672.0 12 58.9 68.9 68.3 0 110 8.1 14 120 0.0 1 673.1 13 65.0 70.0 67.1 0 030 11.8 14 090 0.0 3 678.5 14 51.4 67.8 55.3 0 010 17.5 23 360 0.0 8 681.8 15 48.6 57.2 50.5 0 360 14.3 25 350 0.0 8 683.3 16 48.3 58.3 55.9 0 020 15.8 23 360 0.0 5 686.3 17 50.3 58.3 53.4 0 010 11.5 20 020 0.0 7 689.3 18 47.0 53.9 48.8 T 010 10.9 15 010 0.0 8 689.4 19 48.3 56.1 55.0 0 100 8.9 16 020 0.0 4 684.9 20 53.9 62.8 59.7 0 110 10.3 16 110 0.0 1 680.8 21 57.8 66.7 66.0 0 080 9.5 15 110 0.0 1 679.4 22 65.0 67.8 65.8 0 070 10.9 14 060 0.0 2 679.2 23 64.4 67.2 65.7 0 050 8.6 14 040 24.0 2 682.4 24 62.8 67.8 64.3 0 060 13.0 16 060 24.0 1 680.7 25 56.1 65.0 59.7 0 010 15.8 18 040 0.0 4 678.6 26 47.5 60.6 50.1 T 360 21.9 28 010 0.0 8 684.0 SG,BS 27 35.3 51.1 41.7 0 360 16.1 28 360 0.0 8 689.5 BS 28 32.5 48.1 38.8 T 350 19.0 27 330 0.0 8 695.7 SG,BS 29 33.3 52.2 51.2 0 360 16.1 25 360 0.0 5 698.2 BS 30 50.0 57.8 56.4 0 110 10.6 21 360 24.0 2 698.5 AVG 51.4 61.8 56.7 T 010 11.6 28 360 2.4 5 679.1 26th,27th AVG MONTHLY -56.7 PCPN TRACE NR DAYS CLEAR 14 HIGHEST -32.5 ON 28th SUNSHINE 72.0/10.0% PARTLY CLOUDY 08 LOWEST -73.9 ON 2nd,3rd CLOUDY 08 HIGH PRESSURE 699.3 ON 30th LOW PRESSURE 657.0 ON 1st NET CHANGE IN SNOWSTAKE FIELD: 9.99 SNOWSTAKE DATA NOT AVAILABLE. Sunshine Data based on Sunrise on the 21st. 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 -32.8 -32.5 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 52.9 51.4 Avg Wnd Spd Avg Press 678.4 679.1 Min T 61.0 61.8 Max Press Fastest Wnd MPH Avg T 57.0 56.7 Min Press Changes to Daily Data: Max Temp Day 3 4 10 13 14 15 17 18 22 25 26 27 28 From: 61.7 46.1 59.4 67.2 57.2 51.1 53.9 47.2 65.6 60.6 50.6 43.9 32.8 To: 53.3 43.6 56.7 65.0 51.4 48.6 50.3 47.0 65.0 56.1 47.5 35.3 32.5 Min Temp Day 2 7 8 11 16 20 28 29 From: 72.2 48.3 59.4 60.6 56.1 59.4 43.9 51.7 To: 73.9 56.1 62.2 61.7 58.3 62.8 48.1 52.2 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 65.0 71.1 67.8 53.9 46.9 48.1 43.6 53.3 61.9 61.4 58.3 63.9 68.6 62.5 54.2 52.2 To: 69.8 72.7 59.6 45.3 47.4 41.3 49.9 59.5 62.8 58.3 59.9 68.3 67.1 55.3 50.5 55.9 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 56.1 50.6 52.2 56.7 62.2 66.7 65.8 65.3 62.8 55.6 47.5 38.3 42.5 53.9 To: 53.4 48.8 55.0 59.7 66.0 65.8 65.7 64.3 59.7 50.1 41.7 38.8 51.2 56.4 Number of NCDC observations per day: 4