***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1971 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 53.1 58.3 55.4 T 110 10.3 16 060 24.0 2 674.5 IC 2 43.9 56.1 45.6 0.02 360 11.7 16 360 9.0 8 680.7 SG,IF 3 43.3 48.3 46.7 T 010 10.4 14 360 5.8 6 685.1 SG,IF 4 44.4 50.0 47.6 T 110 12.4 15 100 23.9 5 681.3 IC,IF 5 46.1 54.2 52.2 T 100 13.9 16 100 21.6 1 679.3 IC,IF 6 51.7 57.0 55.8 T 100 10.1 16 110 24.0 0 680.3 IC,IF 7 54.4 57.2 56.1 T 070 9.2 16 080 24.0 2 682.6 IC,IF 8 54.2 56.7 55.2 T 120 9.2 16 110 20.1 5 682.9 IC,IF 9 52.8 58.9 57.0 0.02 070 10.6 15 040 14.2 2 682.5 IC,SG,IF 10 50.3 58.3 52.5 T 110 16.9 20 090 24.0 2 678.7 IC,IF 11 46.1 55.0 47.2 T 030 18.3 23 030 15.0 6 683.3 IC,IF 12 44.2 48.9 45.3 0 020 19.3 23 020 0.0 8 687.1 IF,BS 13 42.2 56.4 50.8 0 020 15.9 25 020 12.0 4 682.0 IF,BS 14 47.2 59.7 58.6 T 100 11.5 23 020 24.0 1 679.2 IC 15 57.8 60.6 59.2 0 120 13.0 18 100 24.0 3 679.1 16 57.8 60.8 60.0 0 100 13.2 18 070 24.0 2 680.4 17 58.9 61.7 60.4 T 070 14.1 17 070 21.6 6 678.6 IC 18 59.7 62.0 61.1 0 070 13.9 18 070 13.2 7 676.6 19 58.6 62.8 60.0 0 060 16.4 21 060 9.8 7 675.9 IF,BS 20 58.3 63.3 62.1 0 020 13.6 23 020 22.9 6 678.7 IF,BS 21 54.7 63.9 58.2 0 020 17.8 20 020 1.5 8 679.5 IF 22 52.8 62.5 57.4 0 010 12.9 23 010 0.0 7 677.4 IF,BS 23 53.9 64.4 62.5 0 050 9.5 15 050 0.0 4 675.7 IF 24 54.2 65.0 59.2 0 050 16.4 21 040 0.0 5 676.0 IF 25 49.2 60.6 51.1 0 010 20.1 25 010 0.0 8 681.0 IF,BS 26 48.3 52.8 49.8 0 010 19.6 28 010 0.0 8 684.0 IF,BS 27 48.9 62.5 59.6 0 030 16.2 24 010 0.0 5 676.8 IF,BS 28 49.7 62.8 53.2 0 020 24.4 28 020 0.0 8 677.0 IF,BS 29 45.9 55.6 47.2 0 010 23.9 31 010 0.0 9 679.1 IF,BS 30 45.6 53.1 52.4 0 010 16.1 32 010 0.0 7 680.1 IF,BS 31 51.1 58.6 57.4 0 060 14.9 23 050 0.0 4 678.9 IF,BS AVG 50.9 58.3 54.7 T 010 14.7 32 010 11.6 5 679.8 30th AVG MONTHLY -54.7 PCPN 0.04 NR DAYS CLEAR 06 HIGHEST -42.2 ON 13th SUNSHINE 358.6/48.2% PARTLY CLOUDY 18 LOWEST -65.0 ON 24th CLOUDY 07 HIGH PRESSURE 687.8 ON 13th LOW PRESSURE 672.2 ON 1st 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 Monthly Averages: (All temps are Minus C) From To From To From To Max T 51.8 50.9 Avg Wnd Spd 14.6 14.7 Avg Press 679.6 679.8 Min T 57.7 58.3 Max Press 687.4 687.8 Fastest Wnd MPH Avg T 54.7 54.7 Min Press Changes to Daily Data: Max Temp Day 1 2 8 10 12 18 19 21 24 25 28 29 From: 54.4 44.4 54.4 53.9 44.4 60.0 59.4 59.4 59.4 52.8 55.6 46.1 To: 53.1 43.9 54.2 50.3 44.2 59.7 58.6 54.7 54.2 49.2 49.7 45.9 Min Temp Day 5 6 13 14 16 18 22 27 30 31 From: 52.2 55.6 48.3 58.3 60.6 61.7 59.4 60.6 52.8 57.2 To: 54.2 57.0 56.4 59.7 60.8 62.0 62.5 62.5 53.1 58.6 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 From: 56.4 50.3 45.8 47.2 49.2 53.6 55.8 55.6 55.8 56.1 50.6 46.7 45.3 52.8 59.2 60.3 To: 55.4 45.6 46.7 47.6 52.2 55.8 56.1 55.2 57.0 52.5 47.2 45.3 50.8 58.6 60.0 60.4 Day 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 60.8 61.1 60.8 61.7 56.1 59.2 62.2 56.7 50.6 54.7 59.2 50.8 49.2 54.2 To: 61.1 60.0 62.1 58.2 57.4 62.5 59.2 51.1 49.8 59.6 53.2 47.2 52.4 57.4 Number of NCDC observations per day: 4