Middletown Rhode Island Weather Almanac
Tuesday, September 12, 2017
Partly Cloudy with Seasonal Temperatures
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    September 12, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   77   75   73   +4   87   in 1961   60   in 1950  
Minimum Temperature   55   53   58   -3   71   in 1947   45   in 1985  
Average Temperature   66   64   65   +1   79   in 1961   54   in 1967  
Precipitation   .00   .00   .13   -.13   1.19   in 1960            
One Hour   .00   .00           .34   in 1960            
Snowfall   0.0   0.0   0.0   +0.0   0.0   in            
Snow Depth   0               0   in            
HDD   0   1   2   -2   11   in 1967   0   in 2017  
CDD   1   0   2   -1   14   in 1961   0   in 2016  
Maximum Dew Point   62   57   61   +1   73   in 1997   45   in 1985  
Minimum Dew Point   54   47   52   +2   69   in 1961   34   in 2004  
Average  Dew Point   58   52   56   +2   70   in 1971   42   in 1985  
Maximum Humidity   93%   88%   90%   +3%   100%         74%   in 2002  
Minimum Humidity   47%   39%   55%   -8%   92%   in 2009   23%   in 2004  
Average Humidity   70%   64%   72%   -2%   94%   in 2009   55%   in 2002  
Maximum Barometer   30.07   30.25   30.13   -00.06   30.52   in 1966   29.77   in 1968  
Minimum Barometer   29.86   30.11   29.88   -00.02   30.30   in 2003   28.66   in 1960  
Average Barometer   29.97   30.18   30.00   -00.04   30.34   in 2012   29.29   in 1960  
Average Wind   3.7   4.3   6.4   -2.7   22.8   in 1960   1.9   in 1990  
Direction   SW   N   SSW       SSE         SSE        
High Wind Gust   18   15   22   -4   81   in 1960   11   in 1990  
Direction   SSW   SSW   SSW       SSE         SSW        
High Heat Index   77   74   73   +4   92   in 1952            
Wind Chill                                      
Maximum Water Temp   66.7   70.9   68.9   -2.2   72.3   in 2005   65.1   in 2006  
Minimum Water Temp   64.7   69.2   66.9   -2.2   70.0   in 1999   63.3   in 2006  
Average Water Temp   65.7   70.1   67.9   -2.2   70.6   in 1999   64.2   in 2006  
Sunrise/ AM Twilight   6:23:AM   5:55:AM            
Sunset / PM Twilight   6:09:PM   7:27:PM            
Length Of Day   12:37                          
Special Conditions   None                                  
Comments                                      
    September 12, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   72.1   78.4   74.4   -2.3   85.2   in 1983   68.4   in 1917  
Avg Minimum Temperature   56.0   64.0   59.3   -3.3   66.8   in 1961   51.2   in 1893  
Average Temperature   64.0   71.2   66.9   -2.8   75.2   in 1961   61.6   in 1994  
Total Precipitation   .94   .82   1.56   -.62   5.17   in 1905   T   in 2005  
Total Snowfall   0.0   0.0   0.0   +0.0       in         in    
Total HDD   24   1   15   +9   46   in 1917   0   in 2015  
Total CDD   13   78   40   -27   124   in 1961   0   in 1893  
Avg Maximum Dew Point   61.6   67.7   62.4   -0.8   70.4   in 1961   55.8   in 1984  
Avg Minimum Dew Point   51.9   59.7   53.4   -1.5   63.8   in 1961   43.9   in 1967  
Average  Dew Point   56.8   63.7   57.9   -1.2   67.1   in 1961   50.0   in 1967  
    September 12, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   29.37   19.53   33.05   -3.68   46.33   in 1998   17.36   in 1957  
Total Snowfall (since Jul 1)   0.0   0.0   0.0   +0.0       in         in    
Total HDD (since Jul 1)   34   2   24   +10   81   in 1914   0   in 2015  
Total CDD (since Jan 1)   482   749   538   -56   752   in 2010   279   in 1902  
                               
Hour-by-Hour Weather For September 12, 2017  
Climate Weather for September 12  
Weather History For September 12  
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