***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1972 MONTH JULY .... 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 50.9 68.3 55.7 T 050 8.1 13 030 0.0 8 676.7 SG 2 47.5 57.8 50.7 T 310 3.5 12 310 0.0 6 670.9 SG 3 47.8 69.7 64.3 T 140 8.1 13 160 0.0 1 669.7 IC,SG 4 62.2 71.9 71.4 T 120 10.1 16 080 0.0 0 672.5 IC 5 53.6 73.3 61.7 T 110 9.3 21 120 0.0 4 675.0 IC 6 53.3 68.3 57.4 T 010 9.8 15 040 0.0 8 685.2 IC,SG 7 53.6 60.0 54.9 T 010 16.7 22 010 0.0 2 691.1 IC,SG,BS 8 53.9 62.0 59.7 T 020 12.4 21 010 0.0 0 689.2 IC,BS 9 58.3 68.1 64.3 T 060 11.2 17 060 0.0 0 683.6 IC 10 63.9 68.9 67.1 T 080 15.8 17 080 0.0 0 685.3 IC 11 59.7 68.3 61.9 0 030 18.1 20 030 0.0 0 691.7 BS 12 58.1 63.3 58.8 0 030 16.4 23 020 0.0 0 696.7 IC,BS 13 54.2 60.6 55.7 0 030 16.4 20 020 0.0 0 697.5 IC,BS 14 47.5 55.6 49.6 T 010 16.9 22 010 0.0 4 696.1 IC,SG,BS 15 45.6 50.6 46.9 T 010 12.6 21 030 0.0 0 691.4 IC,SG,BS 16 46.7 55.3 52.9 T 030 13.5 21 030 0.0 4 684.4 IC 17 52.2 62.0 57.7 T 030 13.6 18 030 0.0 2 680.6 IC 18 51.1 62.2 60.4 T 060 13.9 21 060 0.0 0 685.2 IC 19 58.3 64.2 62.4 T 090 13.3 20 110 0.0 0 685.2 IC 20 58.9 64.4 61.5 T 110 18.1 22 110 0.0 4 678.1 IC,BS 21 61.7 68.6 66.8 0 110 15.8 24 110 0.0 0 669.0 BS 22 66.7 73.6 71.4 0 090 12.6 17 050 0.0 0 669.9 23 60.8 73.3 63.7 T 070 13.5 17 020 0.0 2 672.7 IC 24 60.6 66.7 62.8 T 020 15.8 18 030 0.0 5 672.8 IC 25 58.9 64.7 60.8 T 020 14.1 17 320 0.0 8 666.2 IC 26 50.9 65.6 51.6 T 320 17.8 28 320 0.0 8 670.4 IC,SG,BS 27 51.1 64.2 61.4 T 010 15.0 25 360 0.0 4 674.2 SG,BS 28 55.9 65.0 58.2 T 360 16.9 23 360 0.0 8 681.9 SG,BS 29 53.6 60.0 54.3 T 360 16.1 23 010 0.0 8 683.4 SG,BS 30 53.9 56.1 55.0 T 010 20.4 25 010 0.0 8 679.2 SG,BS 31 54.4 60.8 58.3 T 020 21.0 27 010 0.0 4 676.9 SG,BS AVG 55.0 64.3 59.3 T 010 14.1 28 320 0.0 3 680.7 26th AVG MONTHLY -59.3 PCPN TRACE NR DAYS CLEAR 16 HIGHEST -45.6 ON 15th SUNSHINE 0.0/ 0% PARTLY CLOUDY 08 LOWEST -73.6 ON 22nd CLOUDY 07 HIGH PRESSURE 698.3 ON 12th,13th LOW PRESSURE 643.4 ON 22nd NET CHANGE IN SNOWSTAKE FIELD: +2.61 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 Min T -73.3 -73.6 Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 56.2 55.0 Avg Wnd Spd 13.9 14.1 Avg Press 679.7 680.7 Min T 63.3 64.3 Max Press 698.1 698.3 Fastest Wnd MPH Avg T 59.7 59.3 Min Press Changes to Daily Data: Max Temp Day 1 2 5 7 11 12 13 14 23 26 28 29 From: 57.8 47.8 68.3 55.0 63.3 58.9 55.6 50.0 62.2 51.7 59.4 53.9 To: 50.9 47.5 53.6 53.6 59.7 58.1 54.2 47.5 60.8 50.9 55.9 53.6 Min Temp Day 3 4 8 9 16 17 19 21 22 25 27 31 From: 62.8 71.7 60.0 64.4 52.2 56.7 63.9 67.2 71.1 64.4 63.3 57.8 To: 69.7 71.9 62.0 68.1 55.3 62.0 64.2 68.6 73.6 64.7 64.2 60.8 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 63.1 52.8 55.3 66.9 45.8 60.8 57.5 56.9 61.4 66.4 65.8 61.1 58.1 52.8 48.1 49.4 To: 55.7 50.7 64.3 71.4 61.7 57.4 54.9 59.7 64.3 67.1 61.9 58.8 55.7 49.6 46.9 52.9 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 31 From: 54.4 56.7 61.1 61.7 64.4 68.9 42.8 63.6 61.7 58.6 57.2 62.2 56.9 56.1 To: 57.7 60.4 62.4 61.5 66.8 71.4 63.7 62.8 60.8 51.6 61.4 58.2 54.3 58.3 Number of NCDC observations per day: 4