Middletown Rhode Island Weather Almanac
Friday, December 15, 2017
Clear early, Mostly Cloudy Day to Cloudy, Light Snow and Fog PM, Light Winds, Very Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    December 15, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   28   34   42   -14   61   in 2015   24   in 2010  
Minimum Temperature   13   19   28   -15   48   in 2015   9   in 1900  
Average Temperature   21   27   35   -14   55   in 2015   18   in 1900  
Precipitation   .10   T   .14   -.04   1.79   in 1981            
One Hour   .00   .00           .60   in 1987            
Snowfall   1.6   T   0.2   +1.4   7.1   in 1893            
Snow Depth   3   0           11   in 1904            
HDD   44   38   30   +14   47   in 1900   10   in 2015  
CDD   0   0   0   +0   0   in            
Maximum Dew Point   24   20   34   -10   60   in 2015   10   in 2010  
Minimum Dew Point   8   -5   19   -11   43   in 2008   -5   in 2016  
Average  Dew Point   16   8   26   -10   50   in 2015   4   in 1961  
Maximum Humidity   92%   76%   86%   +6%   100%         49%   in 1961  
Minimum Humidity   61%   27%   57%   +4%   96%   in 1993   17%   in 1959  
Average Humidity   77%   52%   71%   +5%   98%   in 1993   42%   in 1961  
Maximum Barometer   30.14   30.01   30.13   +00.01   30.68   in 1902   29.24   in 1954  
Minimum Barometer   29.82   29.68   29.80   +00.02   30.46   in 1994   29.05   in 1968  
Average Barometer   29.98   29.85   29.97   +00.01   30.51   in 1994   29.16   in 1954  
Average Wind   3.7   15.7   8.7   -5.0   19.1   in 1961   2.6   in 2014  
Direction   NNE   WNW   WNW       NNW         WNW        
High Wind Gust   19   43   27   -8   53   in 1953   11   in 1992  
Direction   WNW   WNW   WNW       WSW         WSW        
High Heat Index                                      
Wind Chill   7   5   18   -11             -4   in 1980  
Maximum Water Temp   43.8   45.8   46.3   -2.5   51.9   in 2015   41.5   in 1997  
Minimum Water Temp   39.7   40.9   43.7   -4.0   50.7   in 2015   38.7   in 2010  
Average Water Temp   41.8   43.4   45.0   -3.2   51.3   in 2015   40.1   in 1997  
Sunrise/ AM Twilight   7:05:AM   6:34:AM            
Sunset / PM Twilight   4:16:PM   4:48:PM            
Length Of Day   9:11                          
Special Conditions   Fog                                  
Comments                                      
    December 15, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   43.2   43.4   44.4   -1.2   54.8   in 2015   30.1   in 1904  
Avg Minimum Temperature   31.0   31.5   30.7   +0.3   42.3   in 2015   16.1   in 1989  
Average Temperature   37.1   37.4   37.5   -0.4   48.5   in 2015   24.4   in 1904  
Total Precipitation   1.19   1.12   2.21   -1.02   6.64   in 1936   .20   in 1998  
Total Snowfall   6.1   0.3   2.9   +3.2   19.9   in 1981   0.0   in 2015  
Total HDD   415   412   408   +7   606   in 1904   242   in 2015  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   35.4   34.5   36.3   -0.9   49.1   in 2015   18.0   in 1989  
Avg Minimum Dew Point   21.9   22.1   21.3   +0.5   38.0   in 2015   -1.5   in 1989  
Average  Dew Point   28.6   28.3   28.8   -0.2   43.6   in 2015   8.3   in 1989  
    December 15, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   40.30   30.09   46.19   -5.89   63.81   in 1983   27.09   in 1965  
Total Snowfall (since Jul 1)   6.1   0.3   4.0   +2.1   21.1   in 1898   0.0   in 2015  
Total HDD (since Jul 1)   1212   1267   1440   -228   1918   in 1904   1037   in 2015  
Total CDD (since Jan 1)   580   807   563   +17   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For December 15, 2017  
Climate Weather for December 15  
Weather History For December 15  
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