Middletown Rhode Island Weather Almanac
Sunday, December 17, 2017
Clear early, Partly Cloudy Day to Cloudy PM, Continued Cold and Dry
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    December 17, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   30   45   41   -11   58   in 2015   18   in 1932  
Minimum Temperature   21   23   27   -6   44   in 1996   -1   in 1942  
Average Temperature   26   34   34   -8   50   in 1928   10   in 1919  
Precipitation   .00   .66   .14   -.14   3.13   in 1973            
One Hour   .00   .17           .95   in 2000            
Snowfall   0.0   2.3   0.3   -0.3   4.0   in 1961            
Snow Depth   3   0           12   in 1904            
HDD   39   31   30   +9   55   in 1919   15   in 1928  
CDD   0   0   0   +0   0   in            
Maximum Dew Point   16   43   34   -18   58   in 1973   2   in 1951  
Minimum Dew Point   6   17   18   -12   43   in 1996   -12   in 1979  
Average  Dew Point   11   30   26   -15   48   in 1996   -2   in 1951  
Maximum Humidity   72%   100%   85%   -13%   100%         60%   in 2009  
Minimum Humidity   36%   77%   56%   -20%   94%   in 1996   24%   in 1979  
Average Humidity   54%   89%   70%   -16%   97%   in 1996   50%   in 1953  
Maximum Barometer   30.29   30.39   30.13   +00.16   30.68   in 1899   29.64   in 1976  
Minimum Barometer   30.18   29.80   29.77   +00.41   30.32   in 1949   28.93   in 1970  
Average Barometer   30.24   30.10   29.95   +00.28   30.42   in 1949   29.39   in 1973  
Average Wind   6.1   5.1   8.3   -2.2   19.7   in 2000   1.2   in 1962  
Direction   WNW   WSW   WNW       SSE         NNE        
High Wind Gust   21   19   26   -5   53   in 2000   10   in 1962  
Direction   NW   SSE   WNW       WSW         NNW        
High Heat Index                                      
Wind Chill   13   20   17   -4             -9   in 1972  
Maximum Water Temp   42.2   44.2   45.8   -3.6   52.3   in 2011   41.3   in 2013  
Minimum Water Temp   39.2   39.4   43.2   -4.0   49.6   in 2015   38.4   in 2010  
Average Water Temp   40.7   41.8   44.5   -3.8   50.5   in 2011   40.2   in 2013  
Sunrise/ AM Twilight   7:06:AM   6:35:AM            
Sunset / PM Twilight   4:17:PM   4:48:PM            
Length Of Day   9:11                          
Special Conditions   None                                  
Comments                                      
    December 17, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   41.9   42.3   44.1   -2.2   54.6   in 2015   30.5   in 1904  
Avg Minimum Temperature   29.9   29.7   30.4   -0.5   42.0   in 2015   16.5   in 1989  
Average Temperature   35.9   36.0   37.2   -1.3   48.3   in 2015   24.6   in 1904  
Total Precipitation   1.19   1.78   2.49   -1.30   7.74   in 1936   .27   in 1998  
Total Snowfall   6.1   2.6   3.4   +2.7   20.6   in 1981   0.0   in 2015  
Total HDD   491   491   468   +23   683   in 1904   279   in 2015  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   33.6   33.9   36.0   -2.4   49.1   in 2015   18.4   in 1989  
Avg Minimum Dew Point   20.5   20.1   20.9   -0.4   37.6   in 2015   -0.8   in 1989  
Average  Dew Point   27.1   27.0   28.5   -1.4   43.4   in 2015   8.8   in 1989  
    December 17, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   40.30   30.75   46.47   -6.17   63.81   in 1983   27.14   in 1965  
Total Snowfall (since Jul 1)   6.1   2.6   4.5   +1.6   21.1   in 1898   0.0   in 2015  
Total HDD (since Jul 1)   1288   1346   1500   -212   1995   in 1904   1074   in 2015  
Total CDD (since Jan 1)   580   807   563   +17   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For December 17, 2017  
Climate Weather for December 17  
Weather History For December 17  
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