***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1977 MONTH OCTOBER .... 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 62.2 67.2 65.8 T 090 5.8 18 360 M 1 668.2 2 61.7 69.4 66.2 T 100 8.1 11 100 M 0 664.8 3 62.7 70.0 67.0 T 010 6.9 11 100 M 4 666.4 4 53.8 70.6 58.8 T 360 11.2 18 360 M 8 671.2 5 52.2 61.7 53.1 T 360 15.8 20 340 M 8 669.0 6 48.9 54.4 51.7 T 360 14.9 25 350 M 8 660.6 7 50.0 66.6 62.4 T 090 7.5 20 020 M 1 654.4 8 60.6 66.7 63.2 T 020 10.3 14 030 M 6 655.7 9 58.9 63.9 60.5 T 020 10.3 18 020 M 6 658.1 10 60.0 62.2 61.7 T 030 10.9 15 020 M 6 657.3 11 59.4 62.2 60.2 T 010 11.8 17 010 M 5 662.5 12 54.9 60.0 57.3 T 360 14.4 20 360 M 6 668.3 13 51.1 58.9 52.6 T 360 13.5 18 360 M 8 671.6 14 48.9 54.4 50.4 T 060 7.2 19 360 M 8 670.6 15 48.9 55.5 53.7 T 060 5.2 9 060 M 6 666.6 16 51.7 56.6 54.9 T 050 6.4 12 020 M 3 669.6 17 55.0 57.2 56.6 T 060 8.6 11 070 M 1 670.0 18 52.7 57.8 54.5 T 070 7.5 13 060 M 3 664.4 19 51.1 56.1 52.0 T 340 9.2 13 340 M 5 670.4 20 50.0 57.7 54.8 T 070 6.3 14 010 M 2 669.8 21 54.4 58.3 58.0 T 160 5.5 9 090 M 3 668.5 22 54.4 58.9 56.3 T 140 5.8 8 150 M 2 673.6 23 51.1 58.3 53.1 T 350 3.4 9 150 M 7 679.8 24 49.9 56.1 53.7 T 060 4.1 7 350 M 2 684.7 25 49.9 56.7 53.0 T 060 4.7 8 080 M 6 693.5 26 48.8 55.0 49.4 T 080 7.8 9 070 M 2 699.3 27 41.6 50.6 43.8 T 080 11.7 15 080 M 3 699.6 28 41.1 44.4 42.7 T 060 13.3 20 070 M 2 687.5 29 41.7 47.2 45.8 T 030 13.5 20 030 M 3 677.0 30 42.2 47.8 44.5 T 010 12.7 19 020 M 7 677.0 31 41.7 45.5 44.2 T 070 5.3 17 010 M 6 677.9 AVG 52.0 58.3 54.9 T 060 9.0 25 350 M 4 671.9 6th AVG MONTHLY -54.9 PCPN TRACE NR DAYS CLEAR 09 HIGHEST -41.1 ON 28th SUNSHINE M PARTLY CLOUDY 15 LOWEST -70.6 ON 4th CLOUDY 07 HIGH PRESSURE 702.7 ON 27th LOW PRESSURE 652.6 ON 7th NET CHANGE IN SNOWSTAKE FIELD: M SNOWSTAKE DATA NOT AVAILABLE. SUNSHINE 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 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 52.8 52.0 Avg Wnd Spd 9.1 9.0 Avg Press 671.6 671.9 Min T 57.8 58.3 Max Press 701.9 702.7 Fastest Wnd MPH Avg T 55.3 54.9 Min Press 653.4 652.6 Changes to Daily Data: Max Temp Day 3 4 11 12 13 18 24 25 26 27 30 From: 63.3 61.7 60.6 58.3 53.9 55.6 50.0 53.3 48.9 44.4 43.3 To: 62.7 53.8 59.4 54.9 51.1 52.7 49.9 49.9 48.8 41.6 42.2 Min Temp Day 2 7 15 16 20 24 29 31 From: 67.8 60.6 53.3 56.1 54.4 53.9 46.7 45.0 To: 69.4 66.6 55.5 56.6 57.7 56.1 47.2 45.5 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 64.7 64.7 66.7 66.1 56.9 51.7 55.3 63.6 61.4 61.1 61.4 59.2 56.4 51.7 51.1 53.9 To: 65.8 66.2 67.0 58.8 53.1 51.7 62.4 63.2 60.5 61.7 60.2 57.3 52.6 50.4 53.7 54.9 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 56.1 56.7 53.6 52.2 56.4 56.7 54.7 51.9 55.0 51.9 47.5 42.8 44.2 45.6 43.3 To: 56.6 54.5 52.0 54.8 58.0 56.3 53.12 53.7 53.0 49.4 43.8 42.7 45.8 44.5 44.2 Number of NCDC observations per day: 4