***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1983 MONTH MAY .... 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 52.6 61.7 59.4 T 100 4.6 10 100 M 4 684.1 2 46.7 63.8 52.8 T 360 9.5 15 030 M 2 682.3 3 45.3 62.2 58.5 T 100 0.6 18 360 M 3 688.8 4 54.1 61.2 59.2 T 080 4.0 11 070 M 2 684.1 5 57.9 65.6 63.7 0 090 7.5 17 080 M 3 681.9 6 61.7 67.2 65.0 T 090 6.9 10 090 M 3 684.1 7 58.9 68.5 64.6 T 090 6.6 12 090 M 4 682.5 8 54.7 67.9 56.8 T 040 13.5 21 040 M 4 683.5 9 55.3 62.8 60.8 T 050 8.6 19 040 M 4 683.0 10 58.4 63.7 62.2 T 090 8.9 15 060 M 4 682.8 11 61.3 65.6 64.6 T 090 8.9 15 090 M 4 680.8 12 63.0 67.8 66.0 T 100 6.9 16 100 M 4 674.1 13 64.1 69.4 67.9 T 070 5.8 13 110 M 4 672.1 14 60.6 69.7 64.7 T 040 7.2 10 070 M 4 674.5 15 56.1 68.3 58.7 T 040 8.7 17 040 M 4 677.4 16 53.8 64.8 55.7 T 100 0.8 13 030 M 4 680.2 17 54.4 62.6 57.9 T 020 4.3 8 080 M 4 685.2 18 49.4 59.8 54.1 T 020 7.5 12 020 M 4 690.3 19 40.0 59.2 45.0 T 360 12.4 17 360 M 5 693.8 20 39.0 50.6 45.6 T 360 15.3 25 330 M 4 697.6 21 42.1 52.0 48.3 T 010 15.2 24 010 M 4 699.2 22 46.8 53.0 50.7 T 020 15.0 28 010 M 4 701.4 23 41.1 53.8 46.5 T 050 17.6 24 010 M 4 700.7 24 37.2 50.8 39.0 T 350 18.7 33 010 M 4 703.7 25 37.0 44.4 41.4 T 010 13.5 27 350 M 4 710.0 26 40.5 48.0 45.5 T 040 11.2 22 020 M 4 707.6 27 42.2 56.7 50.4 T 120 9.8 16 030 M 4 700.3 28 47.9 61.1 56.6 T 100 12.1 25 130 M 4 688.9 29 52.5 64.4 63.4 T 090 9.7 24 090 M 4 682.5 30 63.0 72.2 67.6 0 090 9.2 20 090 M 4 672.0 31 49.4 73.9 55.5 T 360 12.4 24 010 M 4 673.0 AVG 51.2 61.7 56.4 T 090 9.4 33 010 M 4 687.2 24th AVG MONTHLY -56.4 PCPN TRACE NR DAYS CLEAR 02 HIGHEST -37.0 ON 25th SUNSHINE M PARTLY CLOUDY 29 LOWEST -73.9 ON 31st CLOUDY 00 HIGH PRESSURE 710.6 ON 26th LOW PRESSURE 670.4 ON 31st NET CHANGE IN SNOWSTAKE FIELD: +0.90 inches 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 52.6 51.2 Avg Wnd Spd 9.1 9.4 Avg Press 687.3 687.2 Min T 60.7 61.7 Max Press Fastest Wnd MPH Avg T 56.7 56.4 Min Press Changes to Daily Data: Max Temp Day 2 6 7 14 15 18 19 23 24 31 From: 53.5 61.8 63.1 65.7 58.7 53.7 46.5 49.3 37.4 56.2 To: 46.7 61.7 58.9 60.6 56.1 49.4 40.0 41.1 37.2 49.4 Min Temp Day 1 5 6 9 12 20 25 27 28 29 30 From: 58.6 63.7 66.0 62.2 66.0 48.8 41.2 49.3 57.4 64.2 66.0 To: 61.7 65.6 67.2 62.8 67.8 50.6 44.4 56.7 61.1 64.4 72.2 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 55.6 58.7 53.8 57.7 60.8 63.9 65.8 61.3 58.8 61.1 63.5 64.5 66.8 67.7 63.5 59.3 To: 59.4 52.8 58.5 59.2 63.7 65.0 64.6 56.8 60.8 62.2 64.6 66.0 67.9 64.7 58.7 55.7 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 58.5 56.8 52.9 43.9 47.0 49.9 51.5 44.1 39.1 44.3 45.8 52.7 58.3 64.5 65.1 To: 57.9 54.1 45.0 45.6 48.3 50.7 46.5 39.0 41.4 45.5 50.4 56.6 63.4 67.6 55.5 Number of NCDC observations per day: 4