Middletown Rhode Island Weather Almanac
Friday, December 29, 2017
Partly Cloudy to Clear PM, Breezy, Bitter Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    December 29, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   17   44   39   -22   58   in 1984   14   in 1917  
Minimum Temperature   7   27   24   -17   47   in 1984   -8   in 1917  
Average Temperature   12   36   32   -20   53   in 1984   3   in 1917  
Precipitation   .00   .58   .13   -.13   1.89   in 1901            
One Hour   .00   .12           .35   in 2013            
Snowfall   0.0   0.0   0.3   -0.3   8.3   in 1945            
Snow Depth   0   0           15   in 1947            
HDD   53   29   33   +20   62   in 1917   12   in 1984  
CDD   0   0   0   +0   0   in            
Maximum Dew Point   2   43   30   -28   52   in 1982   2   in 2017  
Minimum Dew Point   -3   23   14   -17   45   in 1984   -9   in 1993  
Average  Dew Point   -1   33   22   -23   48   in 2005   -1   in 2017  
Maximum Humidity   66%   95%   85%   -19%   100%         54%   in 1952  
Minimum Humidity   46%   74%   57%   -11%   95%   in 1990   17%   in 1994  
Average Humidity   56%   85%   71%   -15%   98%   in 1990   39%   in 1949  
Maximum Barometer   30.34   30.14   30.14   +00.20   30.82   in 1933   29.49   in 1976  
Minimum Barometer   30.15   29.33   29.74   +00.41   30.43   in 2006   28.86   in 1956  
Average Barometer   30.25   29.74   29.94   +00.30   30.57   in 2006   29.34   in 1976  
Average Wind   8.4   8.0   8.0   +0.4   17.9   in 2009   1.5   in 1992  
Direction   WNW   E   WNW       NW         NNE        
High Wind Gust   24   39   26   -2   47   in 2009   7   in 1992  
Direction   WNW   NW   WNW       NW         NW        
High Heat Index                                      
Wind Chill   -6   25   16   -22             -9   in 1987  
Maximum Water Temp   40.0   43.0   43.8   -3.8   49.0   in 2006   39.0   in 2010  
Minimum Water Temp   34.3   41.4   41.0   -6.7   46.6   in 2015   34.3   in 2017  
Average Water Temp   37.2   42.2   42.4   -5.2   47.4   in 2015   37.2   in 2017  
Sunrise/ AM Twilight   7:11:AM   6:40:AM            
Sunset / PM Twilight   4:23:PM   4:55:PM            
Length Of Day   9:12                          
Special Conditions   None                                  
Comments                                      
    December 29, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   39.5   43.4   42.3   -2.8   54.3   in 2015   30.3   in 1989  
Avg Minimum Temperature   27.6   29.4   28.4   -0.8   41.9   in 2015   14.1   in 1989  
Average Temperature   33.6   36.4   35.3   -1.8   48.1   in 2015   22.2   in 1989  
Total Precipitation   2.25   2.89   4.09   -1.84   9.28   in 1936   .58   in 1955  
Total Snowfall   6.3   2.6   7.0   -0.7   21.7   in 1981   T   in 2011  
Total HDD   905   823   853   +52   1234   in 1989   480   in 2015  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   31.1   35.9   34.2   -3.1   49.6   in 2015   15.2   in 1989  
Avg Minimum Dew Point   17.4   19.9   18.7   -1.3   36.3   in 2015   -1.2   in 1989  
Average  Dew Point   24.2   27.9   26.5   -2.2   42.9   in 2015   7.0   in 1989  
    December 29, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   41.36   31.86   48.07   -6.71   65.49   in 1983   27.66   in 1965  
Total Snowfall (since Jul 1)   6.3   2.6   8.1   -1.8   22.9   in 1904   T   in 1999  
Total HDD (since Jul 1)   1702   1678   1885   -183   2412   in 1904   1275   in 2015  
Total CDD (since Jan 1)   580   807   563   +17   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For December 29, 2017  
Climate Weather for December 29  
Weather History For December 29  
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