LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1962 MONTH MAY ....... 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 60.0 66.7 63.6 T 090 12.9 15 050 0.0 0 673.7 02 60.3 69.4 67.0 0 110 10.6 14 140 0.0 1 674.5 03 58.6 61.1 59.8 T 110 6.3 10 110 0.0 6 679.2 04 48.9 60.0 54.3 T 360 13.7 21 340 0.0 4 685.3 05 48.1 52.8 49.7 .03 360 12.3 15 340 0.0 8 687.3 06 48.1 55.6 51.7 T 360 7.9 12 360 0.0 5 689.2 07 51.4 62.2 55.6 T 360 13.3 18 360 0.0 3 687.5 08 48.1 62.2 52.6 T 020 9.8 16 020 0.0 6 683.4 09 50.3 60.6 54.8 T 090 12.2 22 090 0.0 5 678.0 10 57.5 66.1 60.7 0 090 18.3 23 090 0.0 0 673.4 11 66.1 70.0 67.9 0 090 15.5 17 090 0.0 0 674.3 12 64.4 70.0 66.7 0 070 14.2 20 110 0.0 0 674.8 13 62.0 67.8 64.7 T 090 16.1 23 110 0.0 0 671.1 14 67.2 70.6 68.7 0 090 13.8 16 020 0.0 0 672.7 15 52.0 68.3 59.7 T 360 20.8 29 340 0.0 5 674.5 SGBS 16 45.6 52.8 48.0 T 340 25.5 35 340 0.0 6 673.2 SGBS 17 52.8 60.0 55.5 T 360 16.6 21 360 0.0 6 674.4 18 60.0 66.1 62.9 0 090 15.0 18 090 0.0 1 670.4 19 61.1 68.9 64.7 T 050 10.0 15 050 0.0 6 675.7 20 57.2 63.3 59.4 T 360 10.2 13 020 0.0 6 681.4 21 53.6 60.6 55.6 0 360 16.5 18 360 0.0 5 681.8 22 56.4 66.1 59.7 0 090 15.4 18 090 0.0 1 680.5 23 63.1 67.8 64.8 0 070 14.4 17 090 0.0 0 678.1 24 63.9 71.1 67.4 0 090 13.0 17 070 0.0 0 677.7 25 64.7 70.6 67.9 0 070 12.5 16 360 0.0 2 681.6 26 52.5 66.7 59.7 T 360 22.9 30 340 0.0 6 683.2 27 51.4 56.7 53.7 T 360 20.8 28 360 0.0 6 685.3 SGBS 28 52.5 61.7 57.1 T 360 17.4 23 360 0.0 2 684.2 29 42.8 52.8 46.0 T 320 24.3 27 320 0.0 7 682.3 SGBS 30 40.9 48.9 43.5 T 320 18.2 23 290 0.0 6 684.9 31 47.8 58.3 54.3 T 360 14.0 19 320 0.0 3 687.2 AVG 55.1 63.1 58.6 360 15.0 35 340 0.0 3 679.4 16th AVG MONTHLY -58.6 PCPN .03 NR DAYS CLEAR 13 HIGHEST -40.9 ON 30th SUNSHINE / % PARTLY CLOUDY 16 LOWEST -71.1 ON 24th CLOUDY 02 HIGH PRESSURE 687.6 ON 31th LOW PRESSURE 669.5 ON 18th NET CHANGE IN SNOWSTAKE FIELD: +1.70 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 Sky Cover changed to Octas. Station Pressure converted from inches of Hg to millibars. All wind and pressure data taken from original LCD unless otherwise indicated. Prevailing and peak wind direction converted from cardinal direction to degrees. Changed Extremes: From To Max T -41.1 -40.9 Min T Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 55.3 55.1 Avg Wnd Spd Avg Press Min T Max Press Fastest Wnd MPH Avg T 59.2 58.6 Min Press Changes to Daily Data: Max Temp Day 2 3 5 6 7 8 9 10 13 15 From: 60.6 58.9 48.3 48.3 51.7 48.3 50.6 57.8 62.2 52.2 To: 60.3 52.6 48.1 48.1 51.4 48.1 50.3 57.5 62.0 52.0 Day 21 22 23 25 26 27 28 30 From: 53.9 56.7 63.3 65.0 52.8 51.7 52.8 41.1 To: 53.6 56.4 63.1 64.7 52.5 51.4 52.5 40.9 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 From: 63.3 65.0 60.0 54.4 50.6 52.2 57.2 55.6 55.6 62.2 68.3 67.2 65.0 68.9 60.6 49.4 To: 63.6 67.0 59.8 54.3 49.7 51.7 55.6 52.6 54.8 60.7 67.9 66.7 64.7 68.7 59.7 48.0 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 56.7 63.3 65.0 60.6 57.2 61.7 65.6 67.8 67.8 60.0 54.4 57.2 47.8 45.0 53.3 To: 55.5 62.9 64.7 59.4 55.6 59.7 64.8 67.4 67.9 59.7 53.7 57.1 46.0 43.5 54.3 Number of NCDC observations per day: 8