***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1981 MONTH JUNE .... 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 54.0 68.5 61.8 T 350 4.3 8 060 M 0 674.0 2 53.3 67.3 66.0 T 060 4.8 9 350 M 2 672.4 3 63.4 72.0 71.2 0 090 5.2 12 100 M 2 676.3 4 71.1 72.9 72.2 0 070 4.3 12 060 M 0 676.6 5 58.6 74.0 61.2 T 360 12.0 21 350 M 3 676.8 6 51.1 67.1 56.9 T 340 8.6 22 350 M 3 679.6 7 49.6 58.7 53.6 T 350 12.6 22 350 M 6 675.4 8 51.0 60.0 54.7 T 350 8.8 23 350 M 5 676.6 9 52.0 65.5 63.0 T 100 5.3 16 360 M 2 678.6 10 53.8 64.4 57.2 T 120 7.9 13 060 M 3 674.7 11 54.3 67.8 65.4 0 100 10.8 22 110 M 0 668.1 12 61.2 68.0 63.5 0 080 9.5 15 090 M 0 665.1 13 58.0 65.1 61.6 0 010 12.6 18 040 M 0 663.0 14 58.4 64.5 59.5 0 010 15.1 23 010 M 0 668.1 15 51.0 60.4 53.0 T 360 19.7 31 360 M 3 675.0 16 45.0 52.6 46.2 T 350 22.4 33 350 M 8 681.2 17 45.0 50.9 48.5 T 030 14.0 31 350 M 8 688.9 18 46.7 58.0 56.5 T 080 8.8 20 010 M 2 687.4 19 55.0 59.0 56.5 0 040 15.2 21 080 M 0 674.9 20 54.6 61.0 58.6 0 020 17.2 25 030 M 0 672.0 21 54.0 60.0 56.5 0 020 17.5 27 010 M 1 676.6 22 44.0 56.7 46.7 0 010 20.1 35 010 M 2 673.6 23 43.7 57.1 53.2 0 020 11.7 30 010 M 1 670.8 24 50.7 59.3 55.7 0 020 14.3 21 020 M 3 669.7 25 53.9 57.4 54.7 0 010 17.2 30 010 M 0 678.7 26 49.4 56.3 52.2 0 020 9.7 28 360 M 7 688.9 27 45.1 65.0 60.0 0 010 12.9 18 060 M 5 682.5 28 55.0 65.4 59.0 0 010 15.7 21 360 M 8 691.2 29 50.8 60.0 52.5 0 020 15.7 25 010 M 6 691.6 30 51.3 55.0 54.0 0 350 19.7 28 360 M 7 689.5 AVG 52.8 62.3 57.7 T 010 12.5 35 010 M 3 677.3 22nd AVG MONTHLY -57.7 PCPN TRACE NR DAYS CLEAR 17 HIGHEST -43.7 ON 23th SUNSHINE M PARTLY CLOUDY 09 LOWEST -74.0 ON 5th CLOUDY 04 HIGH PRESSURE 694.7 ON 29th LOW PRESSURE 660.7 ON 13th NET CHANGE IN SNOWSTAKE FIELD: +1.60 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 53.9 52.8 Avg Wnd Spd 12.4 12.5 Avg Press 676.6 677.3 Min T 62.0 62.3 Max Press Fastest Wnd MPH Avg T 58.0 57.7 Min Press Changes to Daily Data: Max Temp Day 1 6 13 15 19 21 22 26 28 From: 62.1 58.3 62.6 52.6 55.2 55.6 44.5 53.6 60.0 To: 54.0 51.1 58.0 51.0 55.0 54.0 44.0 49.4 55.0 Min Temp Day 3 4 8 11 18 20 21 27 30 From: 71.8 72.4 58.8 67.5 57.0 58.7 59.9 61.2 54.4 To: 72.0 72.9 60.0 67.8 58.0 61.0 60.0 65.0 55.0 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 65.3 60.3 67.6 71.8 66.3 62.7 54.2 54.9 58.8 59.1 60.9 64.6 63.8 61.5 56.5 48.8 To: 61.8 66.0 71.2 72.2 61.2 56.9 53.6 54.7 63.0 57.2 65.4 63.5 61.6 59.5 53.0 46.2 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 48.0 51.9 57.1 56.7 57.8 50.6 50.4 55.0 55.7 55.0 53.2 62.7 55.4 52.9 To: 48.5 56.5 56.5 58.6 56.5 46.7 53.2 55.7 54.7 52.2 60.0 59.0 52.5 54.0 Number of NCDC observations per day: 4