***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1974 MONTH MARCH .... 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 44.4 51.1 49.9 0 030 11.5 17 040 24.0 3 680.8 IF 2 47.5 51.1 49.4 T 020 13.3 17 030 17.0 6 680.7 SG,IF 3 46.7 52.0 49.9 0 060 12.7 16 030 6.0 7 676.8 IF 4 49.4 52.2 50.9 T 100 11.2 22 070 24.0 7 677.4 IC,IF 5 50.0 55.9 54.3 0 100 10.9 13 110 24.0 3 679.4 6 54.4 57.0 56.7 0 130 10.9 18 120 24.0 0 679.6 7 55.3 57.2 56.1 0 080 8.1 17 120 23.0 4 682.3 8 43.6 57.2 49.7 0 350 6.6 13 060 20.0 7 685.2 9 36.1 55.6 44.9 T 130 8.9 15 340 0.0 6 681.2 SG,IF 10 37.2 58.1 55.9 T 110 17.2 20 130 24.0 0 677.3 SG,IF 11 55.6 59.4 58.2 0 110 13.6 22 110 24.0 2 680.4 IF 12 55.0 61.7 59.6 0 130 15.2 20 110 24.0 0 682.1 13 50.3 61.1 55.6 0 130 8.0 20 130 24.0 5 681.1 IF 14 45.6 59.7 53.1 T 070 7.2 13 150 23.5 5 675.2 SG,IF 15 48.3 63.3 57.9 T 080 14.7 17 080 24.0 5 670.4 IC 16 51.7 62.5 56.5 T 010 15.0 22 020 14.0 5 670.1 IC,IF 17 55.0 63.9 61.7 0 030 12.4 15 010 23.0 5 673.5 IF 18 58.9 67.0 63.6 0 070 8.9 15 030 12.0 4 673.9 IF 19 61.7 67.8 66.1 0 100 14.4 18 100 24.0 0 674.2 IF 20 39.2 68.3 48.6 T 010 17.8 24 010 13.5 6 675.0 SG,IF 21 39.4 51.1 43.9 T 330 18.4 24 330 0.0 8 683.6 SG,IF 22 41.1 50.0 47.5 T 010 14.4 20 360 0.0 8 688.9 SG,IF 23 43.9 52.5 48.5 0 050 10.3 18 020 0.0 5 686.5 IF 24 45.0 58.9 57.1 0 110 13.2 17 050 0.0 0 683.9 25 57.2 64.2 61.5 0 110 12.0 20 110 0.0 0 673.9 IF 26 60.0 66.1 64.2 0 010 11.5 18 110 0.0 3 673.7 IF 27 42.0 65.6 46.8 0 350 15.0 20 340 0.0 8 679.6 BS,IF 28 37.2 52.0 42.0 T 020 7.2 22 340 0.0 8 681.7 SG,BS,IF 29 37.8 56.7 52.5 T 100 5.2 13 030 0.0 6 677.1 SG,IF 30 47.8 57.8 51.7 T 110 3.7 10 020 0.0 8 673.0 SG,IF 31 48.1 58.1 52.1 T 050 6.7 9 060 0.0 7 676.9 SG,IF AVG 47.9 58.6 53.8 T 110 11.5 24 330 12.6 5 678.6 20th, 21st AVG MONTHLY -53.8 PCPN TRACE NR DAYS CLEAR 07 HIGHEST -36.1 ON 9th SUNSHINE 392.0 77.8 PARTLY CLOUDY 15 LOWEST -68.3 ON 20th CLOUDY 09 HIGH PRESSURE 698.8 ON 1st LOW PRESSURE 668.6 ON 16th NET CHANGE IN SNOWSTAKE FIELD: 9.99 SNOWSTAKE DATA NOT AVAILABLE. SUNSHINE DATA BASED ON SUNSET ON THE 21st. 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 49.1 47.9 Avg Wnd Spd 12.1 11.5 Avg Press 679.1 678.6 Min T 57.6 58.6 Max Press Fastest Wnd MPH Avg T 53.3 53.8 Min Press Changes to Daily Data: Max Temp Day 2 7 8 13 20 27 31 From: 48.3 55.6 55.6 57.8 50.0 46.1 48.3 To: 47.5 55.3 43.6 50.3 39.2 42.0 48.1 Min Temp Day 3 5 6 10 14 16 18 23 25 28 31 From: 50.0 54.4 56.7 55.6 58.9 61.1 62.8 48.3 61.1 46.1 54.4 To: 52.0 55.9 57.0 58.1 59.7 62.5 67.0 52.5 64.2 52.0 58.1 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 47.8 49.7 48.3 50.8 52.2 55.6 56.4 56.4 45.8 46.4 57.5 58.3 59.4 52.2 55.8 56.4 To: 49.9 49.4 49.9 50.9 54.3 56.7 56.1 49.7 44.9 55.9 58.2 59.6 55.6 53.1 57.9 56.5 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 59.4 60.8 64.7 59.2 45.3 45.6 46.1 51.9 59.2 63.1 55.8 41.7 47.2 52.8 51.4 To: 61.7 63.6 66.1 48.6 43.9 47.5 48.5 57.1 61.5 64.2 46.8 42.0 52.5 51.7 52.1 Number of NCDC observations per day: 4