***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1969 MONTH JULY .... 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 47.0 58.3 49.5 0 010 20.1 22 030 M 3 682.5 2 46.4 55.0 49.9 0 010 23.3 28 010 M 2 674.8 BS 3 46.7 58.3 58.0 0 020 16.9 28 020 M 0 670.2 BS 4 57.8 61.1 59.6 0 030 14.1 20 030 M 1 669.8 5 58.3 65.0 64.0 0 020 15.5 21 020 M 1 668.9 6 63.9 70.0 66.7 0 030 13.8 20 030 M 0 667.9 7 63.9 71.7 67.2 0 010 9.2 17 030 M 1 669.4 8 62.2 68.9 63.4 0 360 8.9 16 020 M 1 670.5 9 62.2 67.2 65.5 0 010 10.9 16 360 M 0 666.9 10 60.0 67.2 62.3 0 010 9.2 18 010 M 3 661.4 11 59.4 72.2 67.2 0 130 7.7 15 360 M 2 660.9 12 67.2 76.1 72.9 0 120 6.9 14 130 M 1 663.3 13 62.8 75.0 67.5 0 360 6.6 12 020 M 4 667.5 14 61.7 70.6 66.7 0 110 6.3 14 360 M 6 670.5 15 60.0 70.0 66.1 T 110 10.9 13 100 M 3 668.9 SG,IC 16 57.2 70.6 63.2 0 350 12.1 16 130 M 2 663.0 17 55.6 68.3 63.3 T 350 10.1 20 360 M 5 661.6 SG,IC 18 61.1 75.6 74.4 0 150 9.2 15 360 M 0 660.9 19 70.0 78.3 77.1 0 140 5.8 15 150 M 0 658.2 20 70.0 77.8 71.8 T 130 11.8 17 120 M 0 658.3 IC 21 70.0 73.9 72.7 0 100 14.7 23 130 M 0 655.0 22 62.2 73.9 65.0 0 040 19.2 27 040 M 0 659.9 23 62.2 69.4 68.0 0 060 11.5 23 030 M 0 662.2 BS 24 60.0 70.6 64.0 0 020 16.1 22 020 M 3 666.1 25 58.3 65.6 60.2 0 020 16.7 22 020 M 5 676.3 26 57.8 61.7 59.5 0 020 20.1 28 020 M 1 678.3 BS 27 56.7 65.0 64.0 0 020 17.6 23 030 M 1 673.7 BS 28 63.9 67.8 66.5 0 010 15.2 22 020 M 0 678.3 29 56.7 68.3 59.3 T 360 15.5 21 010 M 6 687.9 SG 30 56.1 62.2 57.1 0 010 18.4 23 010 M 6 686.0 31 56.7 63.9 60.6 0 070 13.3 25 020 M 1 678.6 AVG 59.8 68.4 64.3 T 010 13.2 28 020 M 2 668.9 2nd,3rd,26th AVG MONTHLY -64.3 PCPN TRACE NR DAYS CLEAR 24 HIGHEST -46.4 ON 2nd SUNSHINE M PARTLY CLOUDY 04 LOWEST -78.3 ON 19th CLOUDY 03 HIGH PRESSURE 688.8 ON 30th LOW PRESSURE 654.3 ON 21st NET CHANGE IN SNOWSTAKE FIELD: 9.99 SNOWSTAKE DATA NOT AVAILABLE. 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 -46.7 -46.4 Min T -77.8 -78.3 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 61.0 59.8 Avg Wnd Spd Avg Press 668.9 669.0 Min T 67.6 68.4 Max Press Fastest Wnd MPH Avg T Min Press Changes to Daily Data: Max Temp Day 1 2 7 8 10 13 16 20 22 24 26 29 From: 51.1 46.7 65.0 63.9 63.9 69.4 61.7 70.6 65.6 65.6 59.4 59.4 To: 47.0 46.4 63.9 62.2 60.0 62.8 57.2 70.0 62.2 60.0 57.8 56.7 Min Temp Day 2 3 4 5 6 11 17 19 27 28 31 From: 51.7 57.8 58.9 63.9 65.6 67.2 67.2 77.8 64.4 66.1 60.6 To: 55.0 58.3 61.1 65.0 70.0 72.2 68.3 78.3 65.0 67.8 63.9 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 54.7 49.2 52.2 58.3 61.1 64.7 68.3 66.4 64.7 65.6 63.3 71.7 72.2 66.1 65.0 66.1 To: 49.5 49.9 58.0 59.6 64.0 66.7 67.2 63.4 65.5 62.3 67.2 72.9 67.5 66.7 66.1 63.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 61.4 68.3 73.9 74.2 71.9 69.7 65.8 68.1 61.9 60.6 60.6 65.0 63.9 59.2 58.6 To: 63.3 74.4 77.1 71.8 72.7 65.0 68.0 64.0 60.2 59.5 64.0 66.5 59.3 57.1 60.6 Number of NCDC observations per day: 4