Middletown Rhode Island Weather Almanac
Tuesday, December 12, 2017
Cloudy, Mid-Day Rain, Warmer
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    December 12, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   50   49   43   +7   62   in 2015   17   in 1895  
Minimum Temperature   34   33   29   +5   49   in 2015   3   in 1988  
Average Temperature   42   41   36   +6   56   in 2015   12   in 1988  
Precipitation   .10   .55   .14   -.04   1.46   in 2008            
One Hour   .04   .13           .42   in 2008            
Snowfall   0.0   T   0.2   -0.2   6.1   in 1960            
Snow Depth   T   T           8   in 1981            
HDD   23   24   28   -5   53   in 1988   9   in 2015  
CDD   0   0   0   +0   0   in            
Maximum Dew Point   47   47   35   +12   59   in 2008   2   in 1988  
Minimum Dew Point   24   31   20   +4   41   in 2015   -15   in 1988  
Average  Dew Point   36   39   27   +9   47   in 1949   -7   in 1988  
Maximum Humidity   93%   100%   89%   +4%   100%         50%   in 1975  
Minimum Humidity   66%   82%   59%   +7%   95%   in 1949   28%   in 1977  
Average Humidity   80%   91%   74%   +6%   98%   in 1949   40%   in 1975  
Maximum Barometer   30.00   30.30   30.16   -00.16   30.69   in 1929   29.47   in 1951  
Minimum Barometer   29.30   29.74   29.81   -00.51   30.50   in 2006   28.95   in 1944  
Average Barometer   29.65   30.02   29.99   -00.34   30.57   in 2006   29.40   in 1951  
Average Wind   8.3   7.1   8.0   +0.3   24.4   in 1960   1.0   in 1997  
Direction   SSE   WSW   WNW       N         WNW        
High Wind Gust   25   23   25   -0   59   in 1960   6   in 1997  
Direction   SE   WSW   WNW       N         WNW        
High Heat Index                                      
Wind Chill   27   28   20   +7             -12   in 1988  
Maximum Water Temp   46.9   46.9   47.1   -0.2   52.3   in 2011   43.2   in 2013  
Minimum Water Temp   44.6   43.8   44.6   -0.0   50.4   in 2015   40.2   in 2013  
Average Water Temp   45.8   45.4   45.8   -0.1   50.7   in 2015   41.7   in 2013  
Sunrise/ AM Twilight   7:03:AM   6:31:AM            
Sunset / PM Twilight   4:16:PM   4:47:PM            
Length Of Day   9:13                          
Special Conditions   None                                  
Comments                                      
    December 12, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   46.3   44.2   44.9   +1.4   54.6   in 1953   30.8   in 1904  
Avg Minimum Temperature   34.3   32.5   31.3   +3.1   40.7   in 2015   16.4   in 1989  
Average Temperature   40.3   38.3   38.1   +2.3   47.2   in 2015   25.3   in 1904  
Total Precipitation   .95   1.12   1.79   -.84   6.47   in 1936   T   in 1988  
Total Snowfall   1.4   0.3   2.3   -0.9   17.0   in 1981   0.0   in 2015  
Total HDD   293   319   320   -27   474   in 1904   210   in 2015  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   38.0   35.8   36.8   +1.2   47.4   in 2015   19.6   in 1989  
Avg Minimum Dew Point   25.6   24.6   21.9   +3.6   36.8   in 2015   -0.5   in 1989  
Average  Dew Point   31.8   30.2   29.4   +2.4   42.1   in 2015   9.5   in 1989  
    December 12, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   40.06   30.09   45.77   -5.71   62.00   in 1983   26.39   in 1965  
Total Snowfall (since Jul 1)   1.4   0.3   3.4   -2.0   20.5   in 1898   0.0   in 2015  
Total HDD (since Jul 1)   1090   1174   1352   -262   1786   in 1904   1005   in 2015  
Total CDD (since Jan 1)   580   807   563   +17   807   in 2016   290   in 1902  
                             
Hour-by-Hour Weather For December 12, 2017  
Climate Weather for December 12  
Weather History For December 12  
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