***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1975 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 57.5 66.1 59.4 0 030 9.2 13 070 0.0 2 689.8 2 57.2 63.3 61.7 0 070 8.1 12 070 0.0 2 688.1 3 60.0 68.1 65.3 0 080 9.7 11 070 0.0 0 679.8 4 63.9 71.4 70.3 0 080 9.5 12 090 0.0 0 674.7 5 54.7 72.2 59.6 0 020 15.3 20 020 0.0 3 675.2 BS 6 55.0 63.6 59.2 0 090 6.7 21 360 0.0 2 682.0 BS 7 57.8 64.4 62.2 0 110 8.6 11 110 0.0 1 679.9 8 60.6 67.2 65.1 0 090 10.9 13 090 0.0 1 680.2 9 59.7 67.2 60.3 0 050 13.0 15 040 0.0 1 681.8 10 60.0 62.2 61.4 0 050 14.0 18 040 0.0 1 681.9 11 60.8 64.7 62.8 0 030 15.5 20 040 0.0 1 675.8 BS 12 62.2 73.6 72.1 0 110 7.5 21 020 0.0 0 673.1 13 64.2 74.4 65.7 0 110 14.0 18 110 0.0 2 672.1 14 62.0 68.9 63.6 0 030 11.5 15 110 0.0 2 673.3 15 62.2 70.6 68.3 0 080 8.6 17 020 0.0 0 677.3 16 55.9 70.6 60.7 0 020 12.6 19 110 0.0 2 678.5 17 55.0 62.0 59.5 0 030 8.1 20 020 0.0 0 678.5 BS 18 45.9 63.9 50.4 0 010 20.9 34 070 0.0 5 670.4 BS 19 44.4 57.0 53.9 0 360 26.7 38 360 0.0 7 676.9 BS 20 53.3 64.2 59.7 0 020 12.9 30 360 0.0 2 680.1 BS 21 57.8 67.5 66.0 0 110 9.5 12 090 0.0 0 683.6 22 56.4 67.8 60.7 0 130 13.5 19 090 0.0 1 680.1 23 55.6 63.3 57.4 0 080 14.9 22 070 0.0 2 673.0 BS 24 56.1 63.1 60.9 0 070 15.5 24 020 0.0 2 683.5 BS 25 59.4 63.3 61.1 0 080 11.2 15 080 0.0 2 688.9 26 58.6 62.8 59.7 T 090 10.6 14 090 0.0 1 696.7 IC 27 58.1 62.2 59.0 T 120 11.9 15 120 0.0 0 696.0 IC 28 57.2 65.0 62.9 0 120 10.1 15 150 0.0 1 687.3 29 63.1 66.4 64.6 0 120 8.6 16 100 0.0 0 684.3 30 64.4 68.3 66.2 0 100 5.2 10 110 0.0 1 686.8 AVG 58.0 66.2 62.0 T 080 11.8 38 360 0.0 1 681.0 19th AVG MONTHLY -62.0 PCPN TRACE NR DAYS CLEAR 27 HIGHEST -44.4 ON 19th SUNSHINE 0.0/ 0% PARTLY CLOUDY 02 LOWEST -74.4 ON 13th CLOUDY 01 HIGH PRESSURE 698.6 ON 27th LOW PRESSURE 669.2 ON 19th NET CHANGE IN SNOWSTAKE FIELD: M 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 58.8 58.0 Avg Wnd Spd 11.7 11.8 Avg Press 680.9 681.0 Min T 65.4 66.2 Max Press Fastest Wnd MPH Avg T 62.1 62.0 Min Press Changes to Daily Data: Max Temp Day 1 5 9 11 13 14 16 18 22 26 27 29 From: 57.8 61.1 60.6 61.1 64.4 63.9 61.7 50.0 60.6 59.4 58.9 63.3 To: 57.5 54.7 59.7 60.8 64.2 62.0 55.9 45.9 56.4 58.6 58.1 63.1 Min Temp Day 3 4 6 11 12 17 19 20 21 24 29 From: 65.0 71.1 60.6 62.2 73.3 61.7 53.3 58.3 66.7 61.7 65.0 To: 68.1 71.4 63.6 64.7 73.6 62.0 57.0 64.2 67.5 63.1 66.4 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 61.9 60.3 62.5 67.5 66.7 57.8 61.1 63.9 63.9 61.1 61.7 67.8 69.4 66.4 66.4 66.1 To: 59.4 61.7 65.3 70.3 59.6 59.2 62.2 65.1 60.3 61.4 62.8 72.1 65.7 63.6 68.3 60.7 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 58.3 56.9 48.9 55.8 62.2 64.2 59.4 58.9 61.4 61.1 60.6 61.1 64.2 66.4 To: 59.5 50.4 53.9 59.7 66.0 60.7 57.4 60.9 61.1 59.7 59.0 62.9 64.6 66.2 Number of NCDC observations per day: 4