Middletown Rhode Island Weather Almanac
Sunday, December 10, 2017
Cloudy and Light Snow early then Partly Cloudy, Seasonal Temperatures
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    December 10, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   39   31   44   -5   62   in 1946   17   in 1904  
Minimum Temperature   32   25   30   +2   48   in 2015   4   in 1902  
Average Temperature   36   28   37   -1   55   in 1946   14   in 1904  
Precipitation   T   .00   .15   .00   2.78   in 1936            
One Hour   .00   .00           .44   in 2012            
Snowfall   T   0.0   0.2   -0.2   2.9   in 1905            
Snow Depth   1   0           12   in 1981            
HDD   29   37   28   +1   51   in 1904   10   in 1946  
CDD   0       0   +0   0   in            
Maximum Dew Point   31   15   36   -5   59   in 2012   -6   in 1968  
Minimum Dew Point   24   9   21   +4   47   in 2015   -11   in 1968  
Average  Dew Point   28   12   28   +0   51   in 2015   -9   in 1968  
Maximum Humidity   92%   67%   86%   +6%   100%         47%   in 1968  
Minimum Humidity   60%   41%   59%   +1%   96%   in 1966   24%   in 1968  
Average Humidity   76%   54%   72%   +4%   98%   in 1966   36%   in 1968  
Maximum Barometer   29.99   30.43   30.14   -00.15   30.55   in 1964   29.48   in 1981  
Minimum Barometer   29.60   30.20   29.83   -00.23   30.36   in 1949   29.08   in 1903  
Average Barometer   29.80   30.32   29.98   -00.19   30.46   in 1949   29.39   in 1981  
Average Wind   8.3   9.5   7.5   +0.8   22.9   in 1977   0.9   in 1997  
Direction   W   WNW   WNW       WNW         WNW        
High Wind Gust   21   26   24   -3   49   in 1905   10   in 1997  
Direction   WNW   WNW   WNW       NW         N        
High Heat Index                                      
Wind Chill   24   12   21   +3             -9   in 1968  
Maximum Water Temp   47.1   44.4   47.1   +0.0   52.8   in 2011   41.9   in 2010  
Minimum Water Temp   45.4   41.4   44.6   +0.8   50.1   in 2011   37.7   in 2010  
Average Water Temp   46.3   42.9   45.8   +0.4   51.5   in 2011   39.8   in 2010  
Sunrise/ AM Twilight   7:01:AM   6:30:AM            
Sunset / PM Twilight   4:15:PM   4:47:PM            
Length Of Day   9:14                          
Special Conditions   Fog                                  
Comments                                      
    December 10, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   46.6   44.5   45.3   +1.3   55.6   in 1953   31.4   in 1904  
Avg Minimum Temperature   34.8   33.7   31.6   +3.2   42.1   in 1998   14.9   in 1989  
Average Temperature   40.7   39.1   38.5   +2.2   48.8   in 1998   24.8   in 1989  
Total Precipitation   .85   .51   1.50   -.65   4.50   in 1936   .00   in 1988  
Total Snowfall   1.4   T   1.9   -0.5   17.0   in 1981   0.0   in 2015  
Total HDD   240   258   264   -24   400   in 1989   160   in 1998  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   38.2   35.1   37.2   +1.0   47.3   in 2001   18.8   in 1989  
Avg Minimum Dew Point   26.0   25.0   22.4   +3.6   35.4   in 2015   -3.3   in 1989  
Average  Dew Point   32.1   30.1   29.8   +2.3   41.0   in 2001   7.8   in 1989  
    December 10, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   39.96   29.48   45.48   -5.52   61.88   in 1983   26.25   in 1965  
Total Snowfall (since Jul 1)   1.4   T   3.0   -1.6   19.5   in 1898   0.0   in 2015  
Total HDD (since Jul 1)   1037   1113   1296   -259   1697   in 1904   971   in 2011  
Total CDD (since Jan 1)   580   807   563   +17   807   in 2016   290   in 1902  
                             
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Middletown Rhode Island Weather Almanac
Saturday, December 9, 2017
Cloudy, Light Snow to Light  Snow/Rain Mix to Snow, Foggy and Colder
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    December 9, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   37   38   44   -7   65   in 1991   12   in 1902  
Minimum Temperature   32   27   30   +2   47   in 1923   -4   in 1902  
Average Temperature   35   33   37   -2   55   in 1991   4   in 1902  
Precipitation   .30   .00   .15   +.15   1.82   in 1978            
One Hour   .05   .00           .32   in 2009            
Snowfall   1.4   0.0   0.2   +1.2   2.7   in 1958            
Snow Depth   0   0           13   in 1981            
HDD   30   32   27   +3   61   in 1902   10   in 1991  
CDD   0       0   +0   0   in            
Maximum Dew Point   31   24   36   -5   55   in 2014   6   in 1989  
Minimum Dew Point   22   12   21   +1   43   in 1966   -10   in 1968  
Average  Dew Point   27   18   28   -1   48   in 1966   -1   in 1989  
Maximum Humidity   95%   72%   88%   +7%   100%         52%   in 1989  
Minimum Humidity   53%   46%   57%   -4%   96%   in 2014   23%   in 1989  
Average Humidity   74%   59%   73%   +1%   98%   in 2014   38%   in 1989  
Maximum Barometer   29.98   30.20   30.21   -00.23   30.74   in 1936   29.43   in 1981  
Minimum Barometer   29.60   29.87   29.86   -00.26   30.31   in 2007   29.18   in 2009  
Average Barometer   29.79   30.04   30.03   -00.24   30.44   in 2002   29.36   in 1981  
Average Wind   6.5   12.4   7.2   -0.7   13.5   in 1981   0.7   in 1997  
Direction   N   WNW   WNW       NW         NNW        
High Wind Gust   22   33   25   -3   62   in 2005   7   in 1997  
Direction   N   WNW   WNW       NNW         NW        
High Heat Index                                      
Wind Chill   23   16   20   +3             -7   in 1976  
Maximum Water Temp   47.6   46.9   47.3   +0.3   52.2   in 2011   42.2   in 2010  
Minimum Water Temp   45.9   44.1   44.4   +1.5   50.1   in 2011   38.9   in 2002  
Average Water Temp   46.8   45.5   45.9   +0.9   51.2   in 2011   41.0   in 2010  
Sunrise/ AM Twilight   7:00:AM   6:29:AM            
Sunset / PM Twilight   4:15:PM   4:47:PM            
Length Of Day   9:15                          
Special Conditions   Fog, Sleet, Freezing Rain                          
Comments                                      
    December 9, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   47.4   46.0   45.4   +2.0   56.3   in 1998   32.8   in 1910  
Avg Minimum Temperature   35.1   34.7   31.8   +3.3   43.3   in 1998   14.8   in 1989  
Average Temperature   41.3   40.3   38.7   +2.6   49.8   in 1998   24.8   in 1989  
Total Precipitation   .85   .51   1.35   -.50   4.37   in 1996   .00   in 1988  
Total Snowfall   1.4   T   1.7   -0.3   17.0   in 1981   0.0   in 2015  
Total HDD   211   221   236   -25   360   in 1989   135   in 1998  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   39.0   37.3   37.4   +1.6   48.3   in 1982   19.2   in 1989  
Avg Minimum Dew Point   26.2   26.8   22.6   +3.6   35.6   in 2001   -3.8   in 1989  
Average  Dew Point   32.6   32.1   30.0   +2.6   41.4   in 2001   7.7   in 1989  
    December 9, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   39.96   29.48   45.33   -5.37   61.79   in 1983   25.40   in 1957  
Total Snowfall (since Jul 1)   1.4   T   2.8   -1.4   19.5   in 1898   0.0   in 2015  
Total HDD (since Jul 1)   1008   1076   1268   -260   1646   in 1904   947   in 2011  
Total CDD (since Jan 1)   580   807   563   +17   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For December 9, 2017  
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