Middletown Rhode Island Weather Almanac
Tuesday, August 21, 2018
Cloudy to Mostly Cloudy PM, Light Winds, Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2018  
    August 21, 2018     Record Record
Observed Daily Data   Observed   2017   Normal   Depart   Highest Lowest
Maximum Temperature   73   83   78   -5   92   in 1955   64   in 1956  
Minimum Temperature   62   62   63   -1   74   in 2009   50   in 1913  
Average Temperature   68   73   70   -2   82   in 1955   60   in 1956  
Precipitation   .00   .00   .13   -.13   1.97   in 1997            
One Hour   .00   .00           .88   in 1994            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           0   in              
HDD   0   0   0   +0   5   in 1956   0   in    
CDD   3   8   6   -3   17   in 1955   0   in 2007  
Maximum Dew Point   66   68   66   +1   77   in 2009   46   in 1969  
Minimum Dew Point   60   59   57   +3   73   in 2009   38   in 1982  
Average  Dew Point   63   64   61   +2   75   in 2009   43   in 1969  
Maximum Humidity   94%   88%   92%   +2%   100%   in 2004   58%   in 1983  
Minimum Humidity   76%   53%   59%   +17%   95%   in 1961   29%   in 1987  
Average Humidity   85%   71%   75%   +10%   98%   in 1961   48%   in 1983  
Maximum Barometer   30.16   30.16   30.09   +00.07   30.40   in 1926   29.82   in 1955  
Minimum Barometer   29.96   30.08   29.88   +00.08   30.21   in 2000   29.54   in 1988  
Average Barometer   30.06   30.12   29.98   +00.08   30.27   in 1974   29.72   in 1971  
Average Wind   4.4   4.0   5.6   -1.2   14.0   in 1980   1.6   in 1965  
Direction   E   SW   SSW       NE         SE        
High Wind Gust   13   20   20   -7   46   in 1997   10   in 1998  
Direction   ENE   SW   SSW       ESE         W        
High Heat Index   75   84   79   -4   100   in 1955            
Wind Chill                                      
Maximum Water Temp   73.8   69.7   71.3   +2.5   76.5   in 2003   67.5   in 1997  
Minimum Water Temp   72.1   67.0   68.5   +3.6   72.7   in 2011   64.1   in 2008  
Average Water Temp   73.0   68.4   69.9   +3.1   73.8   in 2011   66.0   in 2008  
Sunrise/ AM Twilight   6:01:07 AM   5:32:00 AM            
Sunset / PM Twilight   7:35:15 PM   8:04:22 PM            
Length Of Day   13:34:08                          
Special Conditions   None                                  
Comments      
    August 21, 2018     Record Record
Month-to-Date Summary   Observed   2017   Normal Depart Highest Lowest
 Avg Maximum Temperature   82.0   79.1   78.8   +3.2   84.6   in 1937   72.6   in 1964  
Avg Minimum Temperature   69.5   63.9   64.3   +5.2   69.5   in 2018   55.9   in 1964  
Average Temperature   75.8   71.5   71.5   +4.2   76.6   in 1937   64.3   in 1964  
Total Precipitation   3.53   1.65   2.51   +1.02   9.62   in 1946   .16   in 1993  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   0   0   +0   26   in 1964   0   in 2018  
Total CDD   231   142   148   +83   250   in 1937   17   in 1964  
Avg Maximum Dew Point   73.1   68.5   67.6   +5.6   73.1   in 2018   57.9   in 1964  
Avg Minimum Dew Point   66.9   59.6   59.5   +7.4   66.9   in 2018   47.4   in 1964  
Average  Dew Point   70.0   64.0   63.5   +6.5   70.0   in 2018   52.6   in 1964  
    August 21, 2018     Record Record
Year-to-Date Summary   Observed   2017   Normal Depart Highest Lowest
Total Precipitation   28.66   27.73   30.19   -1.53   43.94   in 1983   15.70   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)   0   9   3   -3   34   in 1914   0   in 2018  
Total CDD (since Jan 1)   559   439   452   +107   635   in 2010   210   in 1902  
                             
Hour-by-Hour Weather For August 21, 2018  
Climate Weather for August 21  
Weather History For August 21  
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