LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1968 MONTH JANUARY ....... 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 23.3 26.1 24.3 T 350 10.3 14 330 6.2 8 689.4 SG,IC 02 24.8 26.7 25.5 0 350 6.6 10 350 18.0 6 690.3 03 25.6 27.2 26.3 0 010 5.8 8 010 7.4 1 692.0 04 25.3 26.7 25.7 0 360 8.1 12 010 24.0 0 693.5 05 25.9 27.2 26.2 0 010 7.1 9 010 24.0 0 691.3 06 26.1 27.8 27.0 0 010 10.5 13 010 24.0 0 687.2 07 26.1 27.2 26.7 0 040 6.2 9 040 22.8 4 687.6 08 27.0 28.3 27.6 T 360 8.9 14 360 21.8 6 686.0 SG,IC,IF 09 27.2 29.4 28.5 T 360 11.4 14 350 16.5 4 682.8 SG,IC 10 26.4 29.4 27.5 T 330 7.8 13 330 10.0 8 684.1 SG 11 26.7 29.4 29.0 T 090 3.9 7 340 4.8 8 686.2 SG,IF 12 27.2 30.6 29.4 T 110 5.6 13 110 10.4 6 691.4 SG,IF 13 24.4 31.1 27.1 0 100 9.7 12 090 11.4 7 693.5 14 23.9 28.3 26.3 0 110 6.7 9 070 9.5 3 687.2 15 25.6 30.0 27.7 0 090 7.2 9 110 18.5 6 685.1 16 29.2 31.7 30.1 0 090 8.3 9 030 22.5 5 691.7 17 30.3 31.1 30.6 0 090 8.5 10 100 24.0 0 692.3 18 29.4 31.7 30.7 0 090 8.2 10 090 20.0 2 685.5 IF 19 30.0 33.9 32.2 T 350 9.3 13 340 4.0 7 686.0 SG,IF 20 31.4 34.4 33.2 T 360 7.9 10 040 22.5 5 690.4 IC 21 30.0 32.2 31.0 T 090 6.3 9 070 23.5 5 693.5 IC 22 30.3 32.8 31.2 0 010 5.8 10 360 24.0 5 690.1 23 28.1 33.3 30.4 T 340 12.4 15 360 10.5 7 690.2 SG,IF 24 27.8 33.9 31.1 T 280 8.9 10 010 20.2 7 693.3 SG 25 30.6 32.8 31.5 T 330 8.6 9 340 22.5 8 692.4 SG,IC 26 31.1 33.3 32.6 T 020 12.5 15 010 18.0 7 688.9 IC 27 33.1 34.4 33.7 0 010 15.1 17 010 24.0 3 690.6 28 29.2 34.4 32.2 T 010 13.7 18 010 18.0 7 691.6 IC,SG 29 30.0 35.0 32.9 T 060 11.6 13 030 12.4 8 687.5 IC,SG 30 31.4 36.7 33.0 T 010 14.3 20 020 16.3 7 686.8 31 23.9 33.9 29.0 T 350 10.6 18 320 15.0 8 687.5 AVG 27.8 31.0 29.4 010 9.0 20 020 17.0 5 689.2 30th AVG MONTHLY -29.4 PCPN TRACE NR DAYS CLEAR 06 HIGHEST -23.3 ON 1st SUNSHINE 526.7/ 71% PARTLY CLOUDY 12 LOWEST -36.7 ON 30th CLOUDY 13 HIGH PRESSURE 695.2 ON 16th LOW PRESSURE 682.2 ON 9th 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. Average wind speed taken from NCDC data. Data rounded to whole MPH on original LCD. All wind and pressure data taken from original LCD unless otherwise indicated. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 27.9 27.8 Avg Wnd Spd Avg Press Min T Max Press 695.1 695.2 Fastest Wnd MPH Avg T Min Press Changes to Daily Data: Max Temp Day 2 4 5 8 10 16 17 20 22 23 27 28 30 From: 25.0 25.6 26.1 27.2 26.7 29.4 30.6 31.7 30.6 28.3 33.3 29.4 31.7 To: 24.8 25.3 25.9 27.0 26.4 29.4 30.3 31.4 30.3 28.1 33.1 29.2 31.4 Min Temp No Daily Changes Avg Temp Day 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 From: 24.7 25.8 26.4 26.1 26.7 26.9 27.8 28.3 28.1 28.1 28.9 27.8 26.1 27.8 30.6 To: 24.3 25.5 26.3 25.7 26.2 27.0 27.6 28.5 27.5 29.0 29.4 27.1 26.3 27.7 30.1 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 From: 30.8 30.6 31.9 33.1 31.1 31.7 30.8 30.8 31.7 32.2 33.9 31.9 32.5 34.2 28.9 To: 30.6 30.7 32.2 33.2 31.0 31.2 30.4 31.1 31.5 32.6 33.7 32.2 32.9 33.0 29.0 Fast MPH Day 19 From: 12 To: 13 Number of NCDC observations per day: 8