***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1994 MONTH DECEMBER .... 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 27.9 34.6 31.9 T 040 4.9 12 010 20.6 3 684.3 SG,IC 2 32.3 34.6 33.9 0 100 6.8 10 090 24.0 2 684.3 3 32.3 35.7 34.8 0 070 8.1 13 090 24.0 3 687.8 4 33.9 37.3 34.7 T 070 9.0 14 060 24.0 2 690.8 IC 5 32.6 34.5 33.2 T 070 12.5 17 080 24.0 0 687.0 IC,BS 6 29.9 33.4 31.3 T 020 12.5 17 340 24.0 4 683.9 IC 7 29.9 33.8 31.8 T 070 9.4 14 010 24.0 3 685.3 IC,BS 8 30.1 31.9 31.0 T 070 9.6 13 080 21.0 1 683.3 IC 9 29.2 32.2 29.9 0 070 10.3 14 060 24.0 1 678.9 10 27.0 29.7 28.6 0 070 6.3 12 050 20.3 6 681.2 11 26.2 29.8 27.6 T 330 3.0 12 360 4.1 8 682.7 SG 12 27.6 30.9 29.7 T 190 2.0 7 180 4.4 6 684.4 SG,IC 13 27.9 32.0 29.6 T 100 5.7 14 080 2.4 3 685.3 IC 14 28.6 32.0 30.6 T 080 8.4 14 080 24.0 1 681.8 IC 15 25.0 30.7 28.2 0 060 9.4 17 030 18.9 5 678.8 16 27.9 32.1 30.2 T 140 7.6 14 130 20.6 3 679.5 SG,IC 17 28.8 32.2 29.4 0 120 13.5 20 120 24.0 0 679.3 18 26.6 29.3 28.4 0 120 12.9 21 120 24.0 1 677.3 N 19 26.9 29.3 28.6 0 120 4.2 7 060 24.0 2 675.0 20 29.1 32.4 29.6 T 030 6.8 14 360 24.0 3 673.6 IC 21 29.2 31.7 31.2 T 190 4.3 14 360 24.0 2 677.2 IC 22 28.7 31.9 30.5 T 120 6.8 12 120 24.0 0 680.3 IC 23 29.1 32.3 29.8 0 120 9.3 15 120 24.0 1 679.8 24 28.9 32.2 30.0 0 110 10.4 18 120 24.0 1 676.7 25 27.7 30.0 28.9 0 060 8.7 17 120 24.0 3 675.8 N 26 25.0 29.6 28.3 T 060 7.9 14 350 23.8 3 678.5 IC 27 24.6 29.6 26.2 T 060 10.3 16 040 20.4 3 680.6 SG,IC 28 22.2 26.4 24.2 T 040 8.8 15 360 20.3 2 685.7 SG,IC,BS 29 23.5 27.7 24.6 T 020 8.6 15 020 22.2 4 689.3 IC 30 23.7 27.2 25.7 T 020 9.3 15 010 24.0 0 690.5 IC 31 25.6 29.5 26.7 0 060 5.3 9 360 24.0 0 687.8 AVG 28.0 31.5 29.6 T 070 8.1 21 120 21.1 2 682.2 18th AVG MONTHLY -29.6 PCPN TRACE NR DAYS CLEAR 16 HIGHEST -22.2 ON 28th SUNSHINE 655.0/88.0% PARTLY CLOUDY 14 LOWEST -37.3 ON 4th CLOUDY 01 HIGH PRESSURE 691.1 ON 4th LOW PRESSURE 673.0 ON 20th NET CHANGE IN SNOWSTAKE FIELD: -0.44 inches VECTORED WIND DIRECTION FOR THE MONTH: 72.5 Degrees VECTORED WIND SPEED FOR THE MONTH: 5.4 Kts. 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 Old LCD and Corrected LCD. All Sky Cover changed to Octas. Sunshine amount reported in NZST. Insufficient data to convert these values to UTC. All temperature, wind, and pressure data taken from hourly observations. LCD data originally reported in NZST. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T Avg Wnd Spd 8.3 8.1 Avg Press 681.8 682.2 Min T 31.6 31.5 Max Press Fastest Wnd MPH Avg T 29.8 29.6 Min Press Changes to Daily Data: All daily data changed to reflect values reported with respect to UTC.