***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1974 MONTH AUGUST .... 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 55.6 63.9 62.6 0 030 16.1 22 080 M 0 686.1 BS 2 57.0 65.6 61.7 0 030 18.3 22 030 M 4 695.2 BS 3 55.3 63.9 55.6 T 030 18.1 24 020 M 4 698.2 SG,BS 4 48.1 58.3 53.9 T 030 22.7 27 030 M 5 697.3 SG,BS 5 37.0 57.8 43.5 T 020 19.0 27 030 M 7 705.1 SG,BS 6 34.4 47.8 35.9 T 340 10.6 25 340 M 8 715.1 SG,BS 7 35.0 51.4 43.7 T 110 7.2 17 010 M 4 712.4 SG,BS 8 38.9 56.1 52.6 T 110 25.0 30 120 M 0 710.7 SG,IC 9 47.0 56.7 52.0 T 070 17.0 33 090 M 1 700.6 IC,BS 10 45.6 69.2 65.8 T 120 12.9 18 130 M 0 682.7 IC,BS 11 42.5 71.1 51.0 T 300 19.2 28 340 M 5 687.9 SG,BS 12 41.4 54.2 49.3 T 250 11.5 31 310 M 3 682.5 SG,BS 13 48.3 57.2 50.6 T 090 8.6 20 110 M 2 679.3 SG,IC 14 40.0 55.3 49.7 T 110 8.6 16 090 M 3 674.8 IC,SG 15 50.0 65.0 62.9 T 120 21.3 28 120 M 0 666.6 SG,IC,BS 16 62.2 73.6 68.7 0 110 14.4 27 120 M 0 658.9 BS 17 61.4 77.2 69.0 0 020 12.4 16 100 M 0 666.5 BS 18 54.7 72.8 56.0 T 030 16.9 19 020 M 1 671.4 IC 19 48.1 58.3 53.1 T 010 19.2 22 360 M 4 675.9 IC 20 48.3 57.2 48.6 T 020 19.5 27 010 M 5 686.2 IC,SG 21 47.5 50.6 48.7 T 080 13.3 24 120 M 1 688.8 IC,BS 22 47.2 59.7 56.1 T 120 13.3 21 110 M 0 683.6 IC 23 56.1 62.0 59.4 0 050 18.1 21 050 M 0 681.0 24 57.8 65.6 62.1 0 050 14.4 22 060 M 0 682.6 25 60.8 65.6 62.8 0 120 13.3 18 070 M 0 684.4 26 60.3 64.4 62.1 0 080 15.3 18 040 M 0 681.4 BS 27 54.2 66.7 59.6 0 060 10.1 20 060 M 3 685.4 BS 28 53.1 66.1 56.7 T 050 8.1 14 030 M 4 692.7 SG 29 53.6 62.2 55.3 0 030 15.8 17 030 M 3 691.8 30 51.1 57.8 54.2 0 030 18.7 21 030 M 2 690.3 31 52.8 61.4 58.2 0 020 15.2 23 030 M 2 686.8 S AVG 49.8 61.8 55.5 T 030 16.7 33 090 M 2 687.2 9th AVG MONTHLY -55.5 PCPN TRACE NR DAYS CLEAR 22 HIGHEST -34.4 ON 6th SUNSHINE M PARTLY CLOUDY 06 LOWEST -77.2 ON 17th CLOUDY 03 HIGH PRESSURE 716.4 ON 7th LOW PRESSURE 657.6 ON 17th 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 51.7 49.8 Avg Wnd Spd 15.2 15.3 Avg Press Min T 60.7 61.8 Max Press Fastest Wnd MPH Avg T 56.2 55.5 Min Press Changes to Daily Data: Max Temp Day 2 3 4 5 9 11 12 17 18 19 21 25 26 27 28 29 From: 61.7 55.6 55.6 47.2 49.4 52.2 41.7 67.2 56.7 53.9 48.3 61.1 60.6 59.4 53.3 55.6 To: 57.0 55.3 48.1 37.0 47.0 42.5 41.4 61.4 54.7 48.1 47.5 60.8 60.3 54.2 53.1 53.6 Min Temp Day 7 10 12 14 16 22 23 31 From: 40.0 66.1 52.2 52.8 67.2 56.1 61.7 58.3 To: 51.4 69.2 54.2 55.3 73.6 59.7 62.0 61.4 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 59.7 63.6 59.7 56.9 52.5 41.1 37.5 47.5 53.1 55.8 61.7 46.9 52.8 46.4 57.5 64.7 To: 62.6 61.7 55.6 53.9 43.5 35.9 43.7 52.6 52.0 65.8 51.0 49.3 50.6 49.7 62.9 68.7 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 72.2 64.7 56.1 52.8 49.4 51.7 58.9 61.7 63.3 62.5 63.1 59.7 58.9 54.4 55.6 To: 69.0 56.0 53.1 48.6 48.7 56.0 59.4 62.1 62.8 62.1 59.6 56.7 55.3 54.2 58.2 Number of NCDC observations per day: 4