***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1970 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 57.2 61.1 59.9 0 030 18.1 29 030 M 0 680.2 BS 2 52.8 62.2 55.0 0 070 21.6 28 050 M 0 680.0 BS 3 44.8 57.2 48.7 0 020 24.4 31 020 M 5 689.7 BS 4 43.9 50.0 45.5 0 020 25.6 37 020 M 9 694.7 BS 5 38.6 50.0 40.2 0 010 29.3 36 010 M 9 697.5 BS 6 38.9 48.6 44.0 0 010 20.1 39 010 M 6 699.6 BS 7 42.2 57.8 53.9 0 020 13.8 25 020 M 0 693.3 IF,BS 8 51.4 59.4 54.2 0 070 17.3 23 060 M 0 683.9 IF 9 51.1 56.7 54.4 0 050 14.9 28 040 M 0 684.0 10 51.7 57.2 53.9 0 050 17.2 23 030 M 0 691.0 11 50.6 58.9 55.8 0 020 12.4 22 020 M 1 693.2 IF 12 53.9 61.7 58.6 0 070 9.2 18 020 M 0 688.0 IF 13 56.7 59.4 59.1 0 100 15.3 21 100 M 0 680.5 14 58.9 67.2 65.1 0 060 11.1 20 060 M 0 681.1 15 60.0 67.8 63.2 0 030 8.9 16 010 M 6 681.8 16 56.1 65.0 59.0 T 020 7.8 13 020 M 8 677.8 IC,IF 17 56.1 66.1 62.1 T 050 12.7 14 050 M 8 674.7 IC,IF 18 55.0 63.9 57.8 0 040 14.7 20 030 M 8 671.3 IF 19 55.6 64.4 63.8 0 060 13.0 18 040 M 2 669.6 IF 20 53.9 66.1 58.8 0 110 14.7 24 120 M 2 673.5 IF 21 53.9 65.6 62.9 0 050 13.8 23 040 M 2 683.5 IF 22 65.0 67.8 67.4 0 070 11.0 21 060 M 0 682.9 IF 23 55.6 70.0 60.8 0 110 9.7 17 080 M 0 673.5 IF 24 55.0 72.2 70.1 0 100 11.5 16 070 M 0 668.6 IF 25 70.0 75.0 73.8 0 120 11.8 16 100 M 0 665.7 26 68.3 75.6 69.6 0 110 14.4 18 100 M 0 661.5 27 67.8 71.7 71.0 0 110 13.0 22 110 M 0 660.8 28 67.8 72.2 70.5 0 110 15.3 22 110 M 0 661.0 29 65.6 72.8 66.8 0 050 17.5 24 050 M 0 665.6 BS 30 65.6 70.6 70.1 0 040 14.7 23 050 M 0 660.1 BS 31 68.3 71.1 69.7 0 080 15.3 22 080 M 0 660.5 AVG 55.9 64.0 60.2 T 020 15.2 39 010 M 2 678.3 6th AVG MONTHLY -60.2 PCPN TRACE NR DAYS CLEAR 22 HIGHEST -38.6 ON 5th SUNSHINE M PARTLY CLOUDY 02 LOWEST -75.6 ON 26th CLOUDY 07 HIGH PRESSURE 700.3 ON 6th LOW PRESSURE 657.3 ON 31st 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 -38.9 -38.6 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 56.6 55.9 Avg Wnd Spd 15.3 15.2 Avg Press 678.5 678.3 Min T 63.3 64.0 Max Press Fastest Wnd MPH Avg T 60.0 60.2 Min Press Changes to Daily Data: Max Temp Day 1 3 5 8 15 20 28 29 31 From: 59.4 50.0 40.0 52.2 63.3 60.0 70.0 66.1 68.9 To: 57.2 44.8 38.6 51.4 60.0 53.9 67.8 65.6 68.3 Min Temp Day 6 7 11 14 21 24 25 From: 42.8 52.2 55.6 65.0 62.8 71.1 73.9 To: 48.6 57.8 58.9 67.2 65.6 72.2 75.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 60.3 57.5 53.6 46.9 45.0 40.8 47.2 55.8 53.9 54.4 53.1 57.8 58.1 61.9 65.6 60.6 To: 59.9 55.0 48.7 45.5 40.2 44.0 53.9 54.2 54.4 53.9 55.8 58.6 59.1 65.1 63.2 59.0 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 61.1 59.4 60.0 63.1 58.3 66.4 62.8 63.1 71.9 71.9 69.7 71.1 69.4 68.1 70.0 To: 62.1 57.8 63.8 58.8 62.9 67.4 60.8 70.1 73.8 69.6 71.0 70.5 66.8 70.1 69.7 Number of NCDC observations per day: 4