***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1973 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 61.4 65.8 63.2 T 050 8.4 14 060 0.0 0 679.7 IC 2 62.2 69.7 68.5 0 120 12.6 18 120 0.0 0 674.8 3 63.6 70.0 67.0 0 110 13.3 17 100 0.0 0 671.5 4 54.2 67.8 57.8 0 050 20.6 25 030 0.0 3 672.0 BS 5 52.5 57.2 54.6 0 030 20.5 26 030 0.0 1 678.4 BS 6 53.1 60.3 55.7 0 030 16.0 24 030 0.0 1 678.8 BS 7 53.3 63.3 60.0 0 120 11.0 22 030 0.0 0 689.2 BS 8 54.7 61.1 57.2 0 130 10.6 24 150 0.0 1 692.2 9 53.9 59.7 58.0 0 120 14.5 16 110 0.0 1 684.9 10 57.2 63.6 61.1 0 120 16.8 21 110 0.0 0 672.1 11 59.2 66.1 63.3 0 120 13.1 24 110 0.0 0 671.4 12 59.4 65.0 62.5 0 030 15.6 19 050 0.0 0 670.1 13 58.9 67.2 63.1 0 110 12.9 19 060 0.0 0 662.6 14 47.5 67.2 57.0 0 010 22.5 34 010 0.0 3 665.9 BS 15 45.9 57.2 47.5 T 350 17.4 41 350 0.0 6 664.7 BS,IC 16 45.6 52.2 48.2 T 030 14.8 20 010 0.0 6 669.1 IC 17 46.1 57.5 50.8 T 030 15.9 23 020 0.0 1 671.6 IC 18 50.0 59.2 58.1 T 030 19.9 24 020 0.0 1 674.9 BS,IC 19 58.3 64.2 62.4 0 030 17.2 25 020 0.0 0 686.7 BS 20 54.7 64.4 60.8 0 040 15.3 20 040 0.0 1 692.9 21 51.4 62.8 55.3 0 040 12.7 18 030 0.0 2 685.1 22 50.9 58.9 53.4 T 030 10.4 18 030 0.0 6 675.6 IC 23 51.1 60.0 55.4 T 020 7.7 12 020 0.0 2 674.6 IC 24 54.4 59.7 57.4 0 030 12.8 18 030 0.0 1 679.4 25 56.1 64.7 61.9 0 110 11.2 18 030 0.0 0 680.3 26 55.0 65.6 59.9 0 030 11.2 18 050 0.0 0 678.7 27 60.6 67.0 65.1 0 110 11.5 16 100 0.0 0 677.0 28 64.7 67.2 65.8 0 120 13.3 18 110 0.0 0 673.8 29 65.3 69.7 68.1 0 120 10.1 16 080 0.0 0 671.9 30 62.0 70.6 66.8 0 110 10.2 14 070 0.0 0 676.1 31 50.3 69.4 57.1 T 020 14.4 20 100 0.0 0 683.6 IC AVG 55.3 63.7 59.5 T 030 14.0 41 350 0.0 1 676.8 15th AVG MONTHLY -59.5 PCPN TRACE NR DAYS CLEAR 26 HIGHEST -45.6 ON 16th SUNSHINE 0.0/ 0% PARTLY CLOUDY 05 LOWEST -70.6 ON 30th CLOUDY 00 HIGH PRESSURE 693.5 ON 20th LOW PRESSURE 661.5 ON 14th NET CHANGE IN SNOWSTAKE FIELD: M 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 56.3 55.3 Avg Wnd Spd 15.2 14.0 Avg Press 676.6 676.8 Min T 63.1 63.7 Max Press 693.4 693.5 Fastest Wnd MPH Avg T 59.7 59.5 Min Press Changes to Daily Data: Max Temp Day 1 3 4 5 6 8 11 14 15 20 21 22 28 29 30 31 From: 49.8 67.2 57.2 52.8 53.3 56.1 60.6 59.4 46.1 61.7 52.2 51.7 65.0 65.6 66.1 59.4 To: 61.4 63.6 54.2 52.5 53.1 54.7 59.2 47.5 45.9 54.7 51.4 50.9 64.7 65.3 62.0 50.3 Min Temp Day 1 2 6 9 10 17 18 19 24 25 27 29 From: 64.4 68.9 55.0 59.4 62.2 50.6 58.9 63.9 58.3 63.9 66.7 69.4 To: 65.8 69.7 60.3 59.7 63.6 57.5 59.2 64.2 59.7 64.7 67.0 69.7 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 56.7 65.6 68.6 62.5 55.0 54.2 58.3 58.6 56.7 59.7 63.3 62.2 63.1 63.3 51.7 48.9 To: 63.2 68.5 67.0 57.8 54.6 55.7 60.0 57.2 58.0 61.1 63.3 62.5 63.1 57.0 47.5 48.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 48.3 54.4 61.1 63.1 57.5 55.3 55.6 56.4 60.0 60.3 63.6 66.1 67.5 68.3 64.4 To: 50.8 58.1 62.4 60.8 55.3 53.4 55.4 57.4 61.9 59.9 65.1 65.8 68.1 66.8 57.1 Number of NCDC observations per day: 24