***Corrected Winter 2011*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1973 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 58.1 63.3 60.1 0 030 13.9 19 020 0.0 0 686.9 2 51.4 62.8 56.5 0 030 12.8 17 030 0.0 0 689.0 3 51.7 62.0 59.3 0 020 8.5 19 020 0.0 0 687.8 4 54.7 63.3 56.3 0 020 12.2 17 010 0.0 0 686.9 5 54.7 58.1 56.0 0 030 14.9 18 030 0.0 0 677.3 6 54.2 58.3 56.2 0 010 15.1 18 360 0.0 0 677.6 7 49.7 57.8 51.6 0 360 16.9 24 360 0.0 1 682.6 BS 8 51.7 57.2 56.1 0 010 14.1 20 020 0.0 0 696.1 BS 9 58.1 63.9 59.7 0 050 12.5 17 110 0.0 0 690.4 10 55.6 65.8 63.0 0 120 12.3 19 030 0.0 0 686.0 11 61.1 71.9 69.5 0 110 8.3 17 100 0.0 0 686.3 12 67.5 72.8 70.8 0 120 11.0 16 120 0.0 0 681.5 13 67.5 71.7 68.6 0 120 12.5 18 130 0.0 0 680.8 14 55.3 70.0 60.8 0 120 14.9 18 110 0.0 0 681.0 15 54.4 60.3 57.5 0 110 12.7 20 060 0.0 1 678.2 16 56.4 62.5 58.7 0 030 13.2 18 020 0.0 2 684.7 IC 17 58.9 65.3 62.6 0 070 10.6 19 030 0.0 0 681.9 IC 18 58.1 65.6 60.6 0 070 10.9 18 070 0.0 2 680.6 19 51.4 60.6 54.3 0 010 17.6 24 010 0.0 8 681.7 BS,IC 20 47.5 58.9 49.9 T 010 16.2 21 360 0.0 8 684.6 BS,IC 21 47.8 61.1 57.6 T 010 11.1 25 360 0.0 3 685.7 BS,IC 22 52.5 60.6 54.6 T 020 16.7 23 020 0.0 2 684.8 BS,IC 23 52.8 64.7 61.1 0 060 9.6 23 020 0.0 0 685.0 BS 24 59.7 66.1 63.8 0 050 10.6 16 060 0.0 0 681.6 25 60.0 66.4 63.6 0 120 13.5 17 120 0.0 0 675.5 26 60.3 67.2 63.5 0 110 14.9 18 070 0.0 0 673.9 27 59.2 64.7 62.2 0 050 15.1 19 020 0.0 0 665.5 28 62.8 65.8 64.3 0 040 11.5 18 080 0.0 0 665.6 29 50.3 66.1 56.1 0 030 18.1 22 360 0.0 7 677.8 BS,IC 30 47.5 63.6 51.6 T 360 10.5 24 360 0.0 6 683.2 BS,IC AVG 55.7 63.9 59.6 T 010 13.1 25 360 0.0 1 682.0 21st AVG MONTHLY -59.6 PCPN TRACE NR DAYS CLEAR 25 HIGHEST -47.5 ON 20th,30th SUNSHINE 0.0/ 0% PARTLY CLOUDY 02 LOWEST -72.8 ON 12th CLOUDY 03 HIGH PRESSURE 697.6 ON 9th LOW PRESSURE 662.4 ON 28th 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 Extremes: From To Max T -47.8 -47.5 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 56.6 55.7 Avg Wnd Spd 13.7 13.1 Avg Press 681.9 682.0 Min T 63.2 63.9 Max Press Fastest Wnd MPH Avg T 59.9 59.6 Min Press Changes to Daily Data: Max Temp Day 1 2 4 5 6 7 9 12 13 14 16 18 19 20 22 24 From: 59.4 56.1 56.1 55.0 54.4 50.0 58.3 70.0 67.8 59.4 56.7 58.9 51.7 48.9 52.8 60.0 To: 58.1 51.4 54.7 54.7 54.2 49.7 58.1 67.5 67.5 55.3 56.4 58.1 51.4 47.5 52.5 59.7 Day 26 27 29 30 From: 62.8 59.4 55.0 47.8 To: 60.3 59.2 50.3 47.5 Min Temp Day 3 5 10 11 15 16 17 23 25 27 28 30 From: 61.1 57.2 61.7 70.6 60.0 61.7 63.3 62.2 65.6 64.4 65.6 55.0 To: 62.0 58.1 65.8 71.9 60.3 62.5 65.3 64.7 66.4 64.7 65.8 63.6 Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 61.4 59.4 56.4 59.7 56.1 56.4 53.9 54.4 61.1 58.6 65.8 71.4 69.7 64.7 57.2 59.2 To: 60.1 56.5 59.3 56.3 56.0 56.2 51.6 56.1 59.7 63.0 69.5 70.8 68.6 60.8 57.5 58.7 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 From: 61.1 62.2 56.1 53.9 54.4 56.7 57.5 63.1 62.8 65.0 61.9 64.2 60.6 51.4 To: 62.6 60.6 54.3 49.9 57.6 54.6 61.1 63.8 63.6 63.5 62.2 64.3 56.1 51.6 Number of NCDC observations per day: 24