***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1972 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 46.7 59.4 57.1 0 040 22.4 28 030 M 5 681.5 SG 2 48.6 60.0 49.6 0 030 19.0 32 030 M 5 677.6 BS 3 47.8 60.3 55.7 T 050 14.9 23 020 M 2 679.7 SG,BS 4 53.9 61.7 58.5 0 040 13.5 20 040 M 0 683.8 5 55.9 61.1 58.1 T 020 15.8 19 040 M 2 682.4 IC 6 53.9 61.7 55.8 T 020 15.5 23 020 M 6 682.2 IC,SG,DS 7 53.3 61.1 60.2 T 030 13.0 21 020 M 1 692.5 IC,SG,DS 8 53.6 62.2 55.7 0 130 18.7 22 120 M 1 692.3 DS 9 52.8 60.0 58.9 0 110 19.9 29 110 M 0 687.4 BS 10 58.9 63.1 61.1 0 100 15.3 21 100 M 0 691.8 BS 11 59.2 65.0 62.5 0 080 14.7 20 070 M 0 692.0 DS 12 46.1 65.6 49.6 T 050 15.5 22 030 M 5 685.6 IC,SG,DS 13 46.7 58.6 55.4 T 040 17.8 21 050 M 0 683.6 IC,SG,DS 14 52.8 66.1 62.2 T 100 17.8 22 050 M 0 678.8 IC,DS 15 58.3 68.1 65.3 T 060 15.5 22 040 M 0 674.3 IC,DS 16 64.4 70.0 67.1 T 100 13.0 18 060 M 0 676.3 IC 17 49.2 70.0 56.8 T 020 6.6 17 010 M 5 684.7 IC 18 43.1 60.0 49.0 0.01 360 6.7 9 020 M 8 685.9 19 42.2 56.4 52.7 0.01 050 6.6 14 080 M 3 681.0 IC,SG 20 49.4 60.3 57.7 T 100 10.7 14 100 M 0 674.2 IC 21 50.6 63.1 61.9 T 120 12.1 21 120 M 0 673.0 IC 22 49.7 63.9 51.0 T 140 9.2 16 140 M 3 674.8 IC 23 47.8 64.2 57.4 T 170 9.2 16 150 M 7 676.2 SG 24 53.3 67.5 65.9 T 110 11.5 18 110 M 4 680.3 SG 25 64.4 71.1 69.2 0 110 15.0 18 110 M 0 682.2 26 66.4 71.1 67.4 0 110 10.7 16 120 M 0 677.6 27 65.6 68.9 67.0 0 120 16.1 18 110 M 3 674.2 28 65.0 68.3 66.3 0 120 17.8 23 110 M 2 683.0 29 60.3 67.2 62.2 0 120 15.2 21 120 M 3 683.8 30 57.8 65.8 61.9 0 120 14.7 21 110 M 5 679.4 31 58.9 68.1 66.5 0 120 10.3 18 110 M 5 676.9 AVG 54.1 64.2 59.5 T 120 14.0 32 030 M 2 681.5 2nd AVG MONTHLY -59.5 PCPN 0.02 NR DAYS CLEAR 20 HIGHEST -42.2 ON 19th SUNSHINE M PARTLY CLOUDY 08 LOWEST -71.1 ON 25th,26th CLOUDY 03 HIGH PRESSURE 695.9 ON 8th LOW PRESSURE 671.9 ON 15th NET CHANGE IN SNOWSTAKE FIELD: +1.14 inches 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 54.9 54.1 Avg Wnd Spd 14.3 14.0 Avg Press 681.5 681.6 Min T 63.4 64.2 Max Press 695.7 695.9 Fastest Wnd MPH Avg T 59.1 59.5 Min Press 672.5 671.9 Changes to Daily Data: Max Temp Day 2 5 8 11 17 18 22 26 29 From: 49.4 57.8 56.1 60.6 60.0 49.4 50.0 66.7 61.1 To: 48.6 55.9 53.6 59.2 49.2 43.1 49.7 66.4 60.3 Min Temp Day 3 10 13 15 19 20 21 23 24 30 31 From: 57.8 61.1 57.2 66.1 53.9 56.7 62.8 55.6 66.1 65.6 67.8 To: 60.3 63.1 58.6 68.1 56.4 60.3 63.1 64.2 67.5 65.8 68.1 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 53.1 54.7 52.8 57.8 59.4 57.8 57.2 59.2 56.4 60.0 62.8 55.8 51.9 59.4 62.2 67.2 To: 57.1 49.6 55.7 58.5 58.1 55.8 60.2 55.7 58.9 61.1 62.5 49.6 55.4 62.2 65.3 67.1 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 65.0 54.7 48.1 53.1 56.7 56.9 51.7 59.7 67.8 68.9 67.2 66.7 64.2 61.7 63.3 To: 56.8 49.0 52.7 57.7 61.9 51.0 57.4 65.9 69.2 67.4 67.0 66.3 62.2 61.9 66.5 Number of NCDC observations per day: 4