LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1959 MONTH JULY ....... ALL TEMPERATURES MINUS C .............. DAY TEMPERATURE C. PCPN AVG WND FASTEST SUN SKY STN WX MAX MIN AVG SPEED MILE SHINE COVER PRESS DIR MPH SPD DIR HRS 01 55.0 63.9 58.7 T 020 8.5 14 020 0.0 1 668.8 02 58.6 67.2 63.3 T 360 4.0 8 050 0.0 0 673.1 03 60.8 70.0 63.2 T 020 6.2 14 020 0.0 0 672.7 04 61.4 71.1 65.9 T 110 6.5 10 110 0.0 1 671.1 05 68.6 71.1 69.7 0 110 8.8 14 110 0.0 0 670.9 06 67.0 73.4 69.9 0 110 8.0 13 110 0.0 0 670.7 07 63.1 73.4 67.5 0 110 16.7 25 110 0.0 0 670.8 08 63.3 70.0 66.1 T 090 13.5 18 070 0.0 0 678.3 09 63.1 67.8 64.8 T 070 11.6 16 070 0.0 0 676.6 10 57.5 65.0 59.8 T 360 18.4 25 360 0.0 4 675.2 11 58.6 64.4 60.8 T 070 12.9 18 090 0.0 1 677.3 12 42.2 62.8 52.1 T 020 17.5 24 020 0.0 2 679.6 13 39.2 42.8 40.9 T 020 22.3 29 020 0.0 8 684.3 14 40.9 54.4 45.1 T 020 21.1 29 020 0.0 5 683.0 15 53.9 63.3 59.9 T 090 10.3 16 090 0.0 0 679.7 16 61.1 66.7 64.0 T 090 11.7 20 090 0.0 0 678.9 17 58.6 65.0 61.1 T 070 16.4 21 090 0.0 0 681.6 18 53.3 62.2 57.5 T 070 15.1 20 070 0.0 0 684.4 19 49.7 59.4 53.0 T 070 12.5 20 070 0.0 6 683.2 20 55.3 63.3 59.5 T 050 9.3 12 070 0.0 2 684.8 21 54.2 62.2 57.3 T 020 9.8 14 050 0.0 4 682.2 22 59.2 70.0 66.1 T 110 9.6 16 110 0.0 0 675.4 23 68.6 74.5 70.8 T 110 12.7 17 110 0.0 1 666.1 24 52.5 73.9 63.4 T 020 18.2 24 020 0.0 1 666.4 25 48.1 56.7 51.6 T 360 20.9 28 020 0.0 2 672.5 26 48.1 56.7 51.9 T 020 17.7 22 360 0.0 1 681.5 27 52.0 55.0 53.2 T 360 17.0 24 360 0.0 2 688.4 28 50.0 60.6 54.8 T 020 13.8 22 020 0.0 2 695.9 29 45.9 56.7 49.3 T 020 13.5 23 020 0.0 3 702.0 30 53.1 57.2 54.4 T 070 16.3 23 070 0.0 0 695.1 31 47.2 53.9 51.0 T 050 22.2 32 050 0.0 1 688.1 AVG 55.2 63.7 58.9 020 13.6 32 050 0.0 2 679.3 31st AVG MONTHLY -58.9 PCPN TRACE NR DAYS CLEAR 25 HIGHEST -39.2 ON 13th SUNSHINE 0.0/ 0% PARTLY CLOUDY 05 LOWEST -74.5 ON 23rd CLOUDY 01 HIGH PRESSURE 703.4 ON 29th LOW PRESSURE 664.7 ON 23rd,24th 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 Sky Cover changed to Octas. Station Pressure data taken from NCDC data. No data on original LCD. All wind and pressure data taken from original LCD unless otherwise indicated. Prevailing and peak wind direction converted from cardinal direction to degrees. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 55.3 55.2 Avg Wnd Spd Avg Press 679.1 679.3 Min T Max Press Fastest Wnd MPH Avg T 59.5 58.9 Min Press Changes to Daily Data: Max Temp Day 2 4 5 6 9 11 12 14 16 17 18 From: 58.9 61.7 67.0 66.4 58.6 53.6 40.9 41.1 59.2 57.5 49.7 To: 58.6 61.4 68.6 67.0 63.1 58.6 42.2 40.9 61.1 58.6 53.3 Day 19 20 21 22 23 24 25 27 28 30 From: 50.0 54.2 54.4 58.9 64.2 48.1 48.3 51.7 46.4 51.4 To: 49.7 55.3 54.2 59.2 68.6 52.5 48.1 52.0 50.0 53.1 Min Temp No Daily Changes. Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 From: 59.4 63.1 65.6 66.4 70.0 70.6 68.4 66.7 65.6 61.4 61.7 52.5 41.1 47.8 58.6 To: 58.7 63.3 63.2 65.9 69.7 69.9 67.5 66.1 64.8 59.8 60.8 52.1 40.9 45.1 59.9 Day 16 17 18 19 20 21 22 23 25 26 27 28 29 30 31 From: 63.9 61.9 57.8 54.7 59.4 58.3 64.4 71.7 52.5 52.5 53.3 55.3 51.4 55.0 50.6 To: 64.0 61.1 57.5 53.0 59.5 57.3 66.1 70.8 51.6 51.9 53.2 54.8 49.3 54.4 51.0 Number of NCDC observations per day: 24