Middletown Rhode Island Weather Almanac
Tuesday, September 18, 2018
Cloudy, Heavy Rain/Thunderstorm and Fog Late Afternoon, Mostly Cloudy PM, Breezy & Continued Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2018  
    September 18, 2018     Record Record
Observed Daily Data   Observed   2017   Normal   Depart   Highest Lowest
Maximum Temperature   75   73   71   +4   84   in 1914   58   in 1996  
Minimum Temperature   67   66   56   +11   68   in 2016   41   in 1990  
Average Temperature   71   70   63   +8   74   in 2016   52   in 1990  
Precipitation   .93   .00   .13   +.80   2.85   in 1936            
One Hour   .66   .00           .69   in 2004            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in              
HDD   0   0   3   -3   13   in 1990   0   in    
CDD   6   5   1   +5   9   in 2016   0   in 2014  
Maximum Dew Point   73   67   60   +14   73   in 2018   41   in 1990  
Minimum Dew Point   67   64   50   +17   67   in 2018   32   in 1959  
Average  Dew Point   70   66   55   +15   70   in 2018   37   in 1990  
Maximum Humidity   100%   94%   94%   +6%   100%   in 2018   78%   in 1968  
Minimum Humidity   90%   81%   61%   +29%   96%   in 1993   35%   in 1968  
Average Humidity   95%   88%   77%   +18%   98%   in 1993   57%   in 1968  
Maximum Barometer   29.97   30.15   30.14   -00.17   30.65   in 1947   29.66   in 1996  
Minimum Barometer   29.73   30.11   29.92   -00.19   30.39   in 1985   29.38   in 1996  
Average Barometer   29.85   30.13   30.03   -00.18   30.42   in 2011   29.52   in 1996  
Average Wind   7.4   4.3   5.9   +1.5   12.6   in 2004   1.2   in 2001  
Direction   S   ENE   SW       N         NW        
High Wind Gust   29   16   21   +8   38   in 2004   10   in 1951  
Direction   S   NE   SW       N         SW        
High Heat Index   78   74   72   +6   89   in 1992            
Wind Chill                                      
Maximum Water Temp   71.0   66.8   67.9   +3.1   71.2   in 2015   64.0   in 1996  
Minimum Water Temp   69.6   65.4   65.8   +3.8   69.6   in 2018   62.6   in 2013  
Average Water Temp   70.3   66.1   66.9   +3.4   70.3   in 2018   63.5   in 1996  
Sunrise/ AM Twilight   6:29:27 AM   6:01:50 AM            
Sunset / PM Twilight   6:48:43 PM   7:16:20 PM            
Length Of Day   12:19:16                          
Special Conditions   Dense Fog, Heavy Thunderstorm                      
Comments   Remnants from Hurricane Florence  
    September 18, 2018     Record Record
Month-to-Date Summary   Observed   2017   Normal Depart Highest Lowest
 Avg Maximum Temperature   75.9   73.4   73.6   +2.4   80.9   in 1983   68.4   in 1917  
Avg Minimum Temperature   63.9   58.6   58.4   +5.5   64.6   in 1915   52.8   in 1975  
Average Temperature   69.9   66.0   66.0   +3.9   72.3   in 1961   61.3   in 1963  
Total Precipitation   3.53   1.01   2.34   +1.19   7.93   in 1932   .06   in 1946  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   9   24   28   -19   85   in 1913   0   in 2015  
Total CDD   102   44   48   +54   148   in 1961   7   in 1975  
Avg Maximum Dew Point   69.2   63.8   61.6   +7.6   69.2   in 2018   55.2   in 1975  
Avg Minimum Dew Point   61.3   55.3   52.6   +8.7   61.3   in 2018   44.4   in 1984  
Average  Dew Point   65.3   59.6   57.1   +8.1   65.3   in 2018   49.9   in 1984  
    September 18, 2018     Record Record
Year-to-Date Summary   Observed   2017   Normal Depart Highest Lowest
Total Precipitation   32.37   29.44   33.83   -1.46   46.35   in 1998   17.53   in 1957  
Total Snow (since Jul 1 18)   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD (since Jul 1 18)   9   34   37   -28   97   in 1913   0   in 2015  
Total CDD (since Jan 1)   750   513   546   +204   767   in 2016   280   in 1902  
                             
Hour-by-Hour Weather For September 18, 2018  
Climate Weather for September 18  
Weather History For September 18  
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