Middletown Rhode Island Weather Almanac
Friday, August 18, 2017
Cloudy, Heavy Rain, Thunderstorms, Foggy, Warm and Humid
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    August 18, 2017       Record   Record  
Observed Daily Data   Observed   2016   Normal   Depart   Highest   Lowest  
Maximum Temperature   74   83   78   -4   93   in 1987   64   in 1919  
Minimum Temperature   64   65   63   +1   74   in 1965   52   in 1979  
Average Tempeature   69   74   71   -2   82   in 1987   60   in 1979  
Precipiation   1.04   T   .12   +.92   1.55   in 1955            
One Hour   .40   T           .81   in 1955            
Snowfall   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0               0   in              
HDD   0   0   0   0   5   in 1979            
CDD   4   9   6   -2   17   in 1987   0   in 2000  
Maximum Dew Point   72   69   66   +6   76   in 1955   53   in 1981  
Minimum Dew Point   62   62   58   +4   73   in 1955   42   in 1981  
Average  Dew Point   67   66   62   +5   75   in 1955   48   in 1981  
Maximum Humidity   100%   92%   93%   +7%   100%         73%   in 1954  
Minimum Humidity   89%   51%   57%   +32%   96%   in 1986   30%   in 1988  
Average Humidity   95%   72%   75%   +20%   98%   in 1986   55%   in 1954  
Maximum Barometer   30.02   30.00   30.04   -00.02   30.37   in 1989   29.75   in 1958  
Minimum Barometer   29.79   29.88   29.84   -00.05   30.20   in 1961   29.45   in 1988  
Average Barometer   29.91   29.94   29.94   -00.04   30.28   in 1961   29.66   in 1958  
Average Wind   7.7   4.0   5.6   +2.1   12.5   in 1988   1.4   in 1992  
Direction   SSE   SW   WNW       NNW         WNW        
High Wind Gust   27   17   20   +7   33   in 1991   9   in 2010  
Direction   SSW   SW   S       SW         NNW        
High Heat Index   76   86   78   -2   97   in 2009            
Wind Chill                                      
Maximum Water Temp   69.4   73.4   71.7   -2.3   75.4   in 2012   67.6   in 2000  
Minimum Water Temp   68.2   71.1   68.4   -0.2   71.6   in 2010 X 64.0   in 2008  
Average Water Temp   68.8   72.3   70.1   -1.3   72.9   in 2015   67.0   in 2000  
Sunrise/ AM Twilght   5:57:AM   5:28:AM            
Sunset / PM Twilight   7:40:PM   8:09:PM            
Length Of Day   13:43                          
Special Conditions   Fog, Heavy Thunderstorms                      
Comments                                      
    August 18, 2017       Record   Record  
Month-to-Date Summary   Observed   2016   Normal   Depart   Highest   Lowest  
 Avg Maximum Temperature   78.3   82.9   78.9   -0.56   85.1   in 1944   72.3   in 1964  
Avg Minimum Temperature   63.5   66.7   64.4   -0.85   71.3   in 1988   55.8   in 1964  
Average Tempeature   70.9   74.8   71.7   -0.78   77.8   in 1988   64.1   in 1964  
Total Precipiation   1.64   .75   2.13   -.49   8.35   in 1992   .08   in 1940  
Total Snowfall   0.0   0.0   0.0   +0.0       in         in    
Total HDD   0   0   0   +0   24   in 1964   0   in 2017  
Total CDD   111   180   130   -19   235   in 1988   13   in 1964  
Avg Maximum Dew Point   68.2   71.6   67.9   +0.33   72.9   in 2012   57.8   in 1964  
Avg Minimum Dew Point   59.2   63.6   59.8   -0.57   67.6   in 2003   47.3   in 1964  
Average  Dew Point   63.7   67.6   63.8   -0.12   69.9   in 2003   52.5   in 1964  
    August 18, 2017       Record   Record  
Year-to-Date Summary   Observed   2016   Normal   Depart   Highest   Lowest  
Total Precipiation   27.72   18.41   29.81   -2.09   43.94   in 1983   15.70   in 1957  
Total Snowfall (since Jul 1)   0.0   0.0   0.0   +0.0                      
Total HDD (since Jul 1)   9   1   3   +6   34   in 1914   0   in 2015  
Total CDD (since Jan 1)   408   549   434   -26   616   in 2010   208   in 1902  
                             
Hour-by-Hour Weather For August 18, 2017  
Climate Weather for August 18  
Weather History For August 18  
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