***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1970 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 62.8 67.8 65.3 0 010 18.7 22 010 M 3 668.8 IF,BS 2 62.2 66.7 63.0 0 010 19.2 22 020 M 1 671.8 IF 3 57.8 67.8 63.7 0 020 13.8 22 030 M 0 670.0 IF 4 60.0 67.8 64.0 0 040 17.6 22 050 M 0 668.2 IF,BS 5 61.1 66.7 63.7 0 040 16.7 24 030 M 0 675.8 BS 6 61.1 67.2 65.4 0 100 15.0 21 050 M 0 673.7 BS 7 63.3 67.8 66.4 0 060 13.8 20 070 M 0 670.9 8 61.7 68.9 64.8 0 040 10.6 18 050 M 2 677.6 9 61.7 66.1 63.0 0 040 10.6 13 050 M 1 679.9 IF 10 61.1 63.3 61.8 0 020 17.8 21 020 M 0 681.0 IF 11 56.7 63.9 57.5 0 030 23.3 27 010 M 0 681.5 BS 12 52.2 57.8 55.3 0 010 19.9 25 010 M 3 683.5 BS 13 45.3 57.8 47.5 0 010 21.0 24 010 M 7 680.2 BS 14 44.4 49.4 47.2 0 360 21.0 28 360 M 4 678.4 BS 15 44.4 63.3 58.6 0 350 11.7 30 350 M 0 684.3 IF,BS 16 50.9 63.9 53.0 0 050 12.4 21 030 M 1 681.3 17 50.6 61.7 58.9 0 070 17.5 22 070 M 0 671.2 IF 18 57.2 67.8 64.7 0 060 13.5 21 060 M 0 667.2 IF 19 57.2 67.8 58.0 0 030 20.8 23 030 M 0 670.6 IF 20 57.2 60.6 58.6 0 030 16.7 21 030 M 6 675.3 IF 21 55.6 60.0 56.2 0 030 19.0 29 030 M 8 678.1 IF,BS 22 54.4 59.4 55.7 0 030 18.5 24 030 M 8 683.5 IF,BS 23 53.9 60.6 57.6 0 020 21.5 27 020 M 8 675.8 IF 24 52.8 61.7 55.4 0 010 13.2 22 010 M 8 680.4 IF 25 55.6 63.9 61.9 0 080 14.1 18 020 M 3 678.8 IF 26 61.1 65.0 62.8 0 070 15.2 19 080 M 1 670.5 27 44.2 63.3 52.2 0 020 24.4 30 010 M 5 674.1 BS 28 44.4 56.1 48.3 0 360 19.2 37 360 M 5 679.2 BS 29 45.6 55.0 53.4 0 030 19.0 22 030 M 2 688.1 IF,BS 30 50.9 53.9 52.7 0 030 23.0 27 030 M 1 688.3 IF 31 52.8 60.6 58.1 0 040 18.2 28 040 M 0 681.2 IF AVG 54.8 62.7 58.5 0 030 17.3 37 360 M 2 677.1 28th AVG MONTHLY -58.5 PCPN NR DAYS CLEAR 20 HIGHEST -44.2 ON 27th SUNSHINE M PARTLY CLOUDY 07 LOWEST -68.9 ON 8th CLOUDY 04 HIGH PRESSURE 689.8 ON 30th LOW PRESSURE 666.8 ON 4th,18th 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 -44.4 -44.2 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 55.7 54.8 Avg Wnd Spd 17.1 17.3 Avg Press 676.7 677.1 Min T 62.1 62.7 Max Press 689.6 689.8 Fastest Wnd MPH Avg T 58.9 58.5 Min Press Changes to Daily Data: Max Temp Day 1 2 8 12 13 14 16 19 22 23 27 30 From: 65.6 62.8 64.4 56.1 48.3 45.0 51.1 57.8 55.0 54.4 56.1 51.1 To: 62.8 62.2 61.7 52.2 45.3 44.4 50.9 57.2 54.4 53.9 44.2 50.9 Min Temp Day 3 5 15 17 18 25 31 From: 63.9 64.4 62.8 58.9 64.4 61.7 56.7 To: 67.8 66.7 63.3 61.7 67.8 63.9 60.6 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 66.7 64.7 60.8 63.9 62.8 64.2 65.6 66.7 63.9 62.2 60.3 56.9 53.1 47.2 53.6 57.5 To: 65.3 63.0 63.7 64.0 63.7 65.4 66.4 64.8 63.0 61.8 57.5 55.3 47.5 47.2 58.6 53.0 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 54.7 60.8 62.8 58.9 57.8 57.2 57.5 57.2 58.6 63.1 59.7 50.3 50.3 52.5 54.7 To: 58.9 64.7 58.0 58.6 56.2 55.7 57.6 55.4 61.9 62.8 52.2 48.3 53.4 52.7 58.1 Number of NCDC observations per day: 4