***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1972 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 46.1 53.6 51.2 0 120 13.9 15 120 23.5 1 682.1 2 50.0 54.4 52.9 0 110 12.4 16 110 24.0 0 684.6 3 50.9 54.4 51.8 T 060 13.3 16 060 24.0 3 687.1 IC,IF 4 50.3 53.3 51.3 T 060 12.7 16 070 23.0 5 686.7 IC,IF 5 50.0 58.1 55.6 T 060 10.9 15 060 23.5 4 684.2 IC,IF 6 55.6 59.7 59.0 T 110 12.1 15 100 24.0 0 684.2 IC,IF 7 57.8 60.0 58.3 T 060 11.5 16 060 24.0 2 687.9 IC 8 54.7 59.4 55.6 T 100 8.9 15 070 24.0 4 691.9 IC 9 54.4 57.8 56.4 0 100 8.6 16 100 24.0 2 692.9 IF 10 52.2 58.3 53.8 0 100 15.2 18 080 24.0 0 690.8 IC 11 51.1 57.8 56.7 0 100 14.1 21 090 24.0 0 689.0 IC 12 55.6 59.4 57.9 0 100 12.1 17 110 24.0 0 689.6 IF 13 55.9 60.0 58.5 0 090 12.6 17 100 24.0 0 689.7 14 56.1 62.0 60.6 0 120 10.3 17 110 24.0 2 689.5 IF 15 59.7 63.3 61.1 0 090 13.3 15 100 24.0 2 690.3 IF 16 58.3 61.7 59.6 0 060 15.5 17 060 24.0 2 689.6 IIF 17 58.9 62.2 61.0 0 100 15.0 20 080 24.0 0 684.2 IF 18 58.1 62.2 58.9 0 080 15.3 18 060 24.0 2 678.5 IF 19 56.4 61.7 58.7 0 020 17.5 20 030 21.2 7 687.3 IF 20 42.0 60.6 47.1 T 010 25.3 28 360 7.2 8 687.2 SG,BS,IF 21 40.9 49.4 42.9 T 350 21.8 32 360 0.0 8 688.1 SG,BS,IF 22 42.2 52.0 50.3 T 010 15.8 23 360 0.0 8 687.3 SG,BS,IF 23 50.6 63.1 60.0 T 030 13.5 20 020 0.0 4 677.3 SG,IF 24 53.9 65.8 64.6 0 120 12.4 16 070 0.0 0 675.4 IF 25 61.7 66.1 63.3 0 060 11.5 14 050 0.0 3 678.8 26 55.9 65.6 59.7 0 050 5.8 15 050 0.0 5 674.8 27 55.0 67.8 63.6 T 360 5.5 10 350 0.0 7 678.9 SG,IF 28 50.3 68.3 54.6 T 090 6.4 12 120 0.0 8 689.7 SG,IF 29 48.1 57.2 48.6 T 030 12.1 15 360 0.0 8 698.3 SG 30 46.1 55.9 54.5 T 050 11.8 17 030 0.0 6 697.6 SG,IF 31 51.7 62.0 60.4 0 100 14.4 18 100 0.0 2 688.2 IF AVG 52.6 59.8 56.4 T 100 12.9 32 360 14.8 3 686.5 21st AVG MONTHLY -56.4 PCPN TRACE NR DAYS CLEAR 17 HIGHEST -40.9 ON 21th SUNSHINE 458.4/61.6% PARTLY CLOUDY 07 LOWEST -68.3 ON 28th CLOUDY 07 HIGH PRESSURE 701.0 ON 30th LOW PRESSURE 672.5 ON 27th NET CHANGE IN SNOWSTAKE FIELD: +1.72 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 Extremes: From To Max T -41.1 -40.9 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 53.4 52.6 Avg Wnd Spd 12.8 12.9 Avg Press 686.4 686.5 Min T 59.3 59.8 Max Press 700.8 701.0 Fastest Wnd MPH Avg T 56.3 56.4 Min Press Changes to Daily Data: Max Temp Day 3 4 8 13 15 18 19 20 21 26 28 29 From: 51.1 50.6 55.6 57.8 60.0 58.3 57.2 49.4 41.1 61.7 56.1 48.3 To: 50.9 50.3 54.7 55.9 59.7 58.1 56.4 42.0 40.9 55.9 50.3 48.1 Min Temp Day 1 5 6 14 22 23 24 30 31 From: 50.0 55.6 58.9 60.6 50.6 59.4 65.0 55.0 61.1 To: 53.6 58.1 59.7 62.0 52.0 63.1 65.8 55.9 62.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 48.1 52.2 52.8 51.9 52.8 57.2 58.9 57.5 56.1 55.3 54.4 57.5 58.9 58.3 61.7 60.0 To: 51.2 52.9 51.8 51.3 55.6 59.0 58.3 55.6 56.4 53.8 56.7 57.9 58.5 60.6 61.1 59.6 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 60.6 60.3 59.4 55.0 45.3 46.4 55.0 59.4 63.9 63.6 61.4 62.2 52.8 50.6 56.4 To: 61.0 58.9 58.7 47.1 42.9 50.3 60.0 64.6 63.3 59.7 63.6 54.6 48.6 54.5 60.4 Number of NCDC observations per day: 4