Climatic Weather Data                  
Thursday, December 20, 2007                  
Cloudy. Light Snow P.M. and Seasonal Past 10 Year Intervals
  December 20, 2007 Last  Record Record December 20
    Norm Avg Dep Year High Year Low Year 1997 1987 1977 1967 1957 1947 1937 1927 1917
High Temperature 36° 41° 39° -5° 42° 58° 1957 11° 1942 44° 43° 41° 49° 58° 34° 40° 37° 41°
Low Temperature 31° 26° 25° +5° 27° 51° 1957 -6° 1942 32° 25° 31° 35° 51° 18° 30° 27° 30°
Mean Temperature 34° 34° 32° +0° 35° 55° 1957 1942 38° 34° 36° 42° 55° 26° 35° 32° 36°
Heating Degrees 31 31 33 +0 30 62 1942 10 1957 27 31 29 23 10 39 30 33 29
Cooling Degrees 0 0 0 +0 0 0 2007 0   0 0 0 0 0 0 0 0 0
High Barometer 30.28   30.19 +0.09 30.44 30.97 1990 29.50 1995 30.03 30.15 30.25 30.38 30.18        
Low Barometer 30.00   29.84 +0.16 30.26 30.42 1979 29.09 1934 29.86 29.83 29.97 30.04 29.87        
Mean Barometer 30.14   30.01 +0.13 30.35 30.60 1990 29.43 1995 29.95 29.99 30.11 30.21 30.03        
High Humidity 94%   84% +10% 88% 100%   44% 1955 69% 100% 92% 70% 95%        
Low Humidity 84%   55% +29% 47% 90% 1987 22% 1962 55% 90% 76% 44% 83%        
Mean Humidity 89%   69% +20% 68% 95% 1987 35% 1955 62% 95% 84% 57% 89%        
High Dew Point 34°   31° +3° 31° 56° 2002 -1° 1983 31° 43° 33° 28° 53°        
Low Dew Point 29°   15° +14° 22° 45° 1957 -17° 1955 21° 23° 29° 21° 45°        
Mean Dew Point 32°   23° +9° 27° 49° 1957 -8° 1955 26° 33° 31° 25° 49°        
Average Wind 9.2   8.0 +1.2 4.9 17.2 1970 2.2 1993 6.1 4.0 7.1 6.8 10.5        
Direction N   WNW   SW WNW   SW   WNW SSE NNE WNW SSE        
High Wind Gust 21   25 -4 30 48 1970 12 1985 21 20 26 19 30        
Direction NNW   NNW   SW WNW   NNW   NNW SE ENE NNW SSE        
Rain T .13 .10 -.13 .00 1.48 2002     .00 .22 T .00 T .00 .00 .00 .00
High 1 Hour .00       .00 .49 2002     .00 .05 T .00 T .00 .00 .00 .00
Snow T 0.2 0.2 -0.2 0.0 3.2 1964     0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Snow Depth 2   9   0 9 1945     0 0 0 0 0 0 0 0 0
High Heat Index 22°   #REF! #REF! 26° #REF! #REF!     24° 15° 21° 28° 47°        
Low Wind Chill 22°   13° 26°     -20° 1955 24° 15° 21° 28° 47°        
Conditions F       0           XI F 0 H 0 0 0 0
Flashback  
Conditions Legend F Fog  
  X Dense Fog (Visibility 1/4 mile or less)  
  H Haze  
  T Thunderstorm  
  I Ice Pellets (Sleet)  
  Z Glaze (Freezing Rain)                          
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