Middletown Rhode Island Weather Almanac
Saturday, December 30, 2017
Partly Cloudy Early, Cloudy, Light Snow and Fog PM, Clearing Late, Continued Bitter Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    December 30, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   20   43   39   -19   60   in 1984   5   in 1917  
Minimum Temperature   10   32   24   -14   48   in 1948   -10   in 1917  
Average Temperature   15   38   32   -17   52   in 1948   -3   in 1917  
Precipitation   .09   T   .13   -.04   1.61   in 1912            
One Hour   .00   .00           .39   in 2000            
Snowfall   1.8   T   0.3   +1.5   5.8   in 1993            
Snow Depth   0   0           15   in 1947            
HDD   50   27   33   +17   68   in 1917   13   in 1948  
CDD   0   0   0   +0   0   in            
Maximum Dew Point   16   33   30   -14   53   in 1984   -3   in 1987  
Minimum Dew Point   0   21   14   -14   42   in 1990   -16   in 1962  
Average  Dew Point   8   27   22   -14   47   in 1990   -7   in 1987  
Maximum Humidity   88%   90%   85%   +3%   100%         38%   in 1949  
Minimum Humidity   53%   48%   52%   +1%   96%   in 1992   16%   in 1994  
Average Humidity   71%   69%   69%   +2%   98%   in 1992   30%   in 1994  
Maximum Barometer   30.18   29.90   30.14   +00.04   30.68   in 2006   29.33   in 1997  
Minimum Barometer   29.91   29.39   29.80   +00.11   30.40   in 1972   28.89   in 1997  
Average Barometer   30.05   29.65   29.97   +00.07   30.50   in 1978   29.11   in 1997  
Average Wind   5.3   12.3   8.7   -3.4   25.7   in 1962   2.2   in 2004  
Direction   WNW   W   NW       NW         N        
High Wind Gust   19   31   26   -7   70   in 1962   11   in 2004  
Direction   WNW   WNW   NW       NW         NNW        
High Heat Index                                      
Wind Chill   -1   23   15   -16             -30   in 1962  
Maximum Water Temp   37.8   43.1   43.3   -5.5   48.9   in 2006   37.8   in 2017  
Minimum Water Temp   33.6   40.8   40.7   -7.1   46.3   in 2015   33.6   in 2017  
Average Water Temp   35.7   42.0   42.0   -6.3   47.0   in 2015   35.7   in 2017  
Sunrise/ AM Twilight   7:11:AM   6:40:AM            
Sunset / PM Twilight   4:24:PM   4:56:PM            
Length Of Day   9:13                          
Special Conditions   Fog                                  
Comments                                      
    December 30, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   38.9   43.4   42.2   -3.3   54.1   in 2015   30.3   in 1989  
Avg Minimum Temperature   27.0   29.5   28.3   -1.3   41.5   in 2015   14.3   in 1989  
Average Temperature   32.9   36.5   35.2   -2.3   47.8   in 2015   22.3   in 1989  
Total Precipitation   2.34   2.89   4.22   -1.88   9.45   in 1936   .58   in 1955  
Total Snowfall   8.1   2.6   7.3   +0.8   22.3   in 1904   T   in 2011  
Total HDD   955   850   886   +69   1276   in 1989   507   in 2015  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   30.6   35.8   34.1   -3.5   49.4   in 2015   15.6   in 1989  
Avg Minimum Dew Point   16.8   19.9   18.5   -1.7   36.1   in 2015   -0.7   in 1989  
Average  Dew Point   23.7   27.9   26.3   -2.6   42.7   in 2015   7.4   in 1989  
    December 30, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   41.45   31.86   48.20   -6.75   65.49   in 1983   27.66   in 1965  
Total Snowfall (since Jul 1)   8.1   2.6   8.4   -0.3   23.7   in 1904   T   in 1999  
Total HDD (since Jul 1)   1752   1705   1918   -166   2448   in 1904   1302   in 2015  
Total CDD (since Jan 1)   580   807   563   +17   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For December 30, 2017  
Climate Weather for December 30  
Weather History For December 30  
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