Middletown Rhode Island Weather Almanac
Saturday, September 30, 2017
Mostly Cloudy early, Cloudy, Heavy Rain/Thunderstroms  Afternoon to Mostly Cloudy PM, Much Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2017  
    September 30, 2017     Record Record
Observed Daily Data   Observed   2016   Normal   Depart   Highest Lowest
Maximum Temperature   61   62   68   -7   81   in 1922   51   in 1992  
Minimum Temperature   49   57   52   -3   66   in 2010   35   in 1951  
Average Temperature   55   60   60   -5   72   in 1959   45   in 1992  
Precipitation   1.02   .47   .12   +.90   1.84   in 2015            
One Hour   .76   .14           .84   in 2015            
Snowfall   0.0   0.0   0.0   +0.0   0.0   in            
Snow Depth   0               0   in            
HDD   10   5   6   +4   20   in 1992   0   in 2015  
CDD   0   0   1   -1   7   in 1959   0   in 2017  
Maximum Dew Point   57   57   57   +1   72   in 2015   31   in 1981  
Minimum Dew Point   47   51   47   +0   65   in 2010   20   in 1981  
Average  Dew Point   52   54   52   +0   68   in 2010   26   in 1981  
Maximum Humidity   95%   96%   93%   +2%   100%         67%   in 1981  
Minimum Humidity   81%   76%   58%   +23%   93%   in 2014   25%   in 1981  
Average Humidity   88%   86%   75%   +13%   95%   in 2014   46%   in 1981  
Maximum Barometer   30.33   30.42   30.13   +00.20   30.59   in 1945   29.53   in 1997  
Minimum Barometer   30.03   30.26   29.90   +00.13   30.38   in 2007   29.29   in 1972  
Average Barometer   30.18   30.34   30.01   +00.17   30.46   in 2007   29.43   in 1997  
Average Wind   4.1   9.5   6.6   -2.5   18.7   in 2001   2.5   in 2008  
Direction   NNE   NE   S       NNE         SE        
High Wind Gust   22   24   22   -0   41   in 1943   11   in 1970  
Direction   ENE   NNE   S       E         WNW        
High Heat Index   61   62   68   -7   81   in 1952            
Wind Chill                                      
Maximum Water Temp   65.1   64.9   65.6   -0.5   68.5   in 2015   62.0   in 2010  
Minimum Water Temp   63.8   63.3   63.9   -0.1   67.5   in 2015   60.3   in 2001  
Average Water Temp   64.5   64.1   64.8   -0.3   68.0   in 2015   61.3   in 2001  
Sunrise/ AM Twilight   6:41:AM   6:13:AM            
Sunset / PM Twilight   6:28:PM   6:56:PM            
Length Of Day   11:47                          
Special Conditions   Fog, Heavy Thunderstorm                          
Comments                                      
    September 30, 2017     Record Record
Month-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
 Avg Maximum Temperature   73.4   74.7   71.8   +1.6   77.8   in 1961   67.6   in 1963  
Avg Minimum Temperature   59.2   60.2   56.4   +2.7   62.2   in 1961   51.7   in 1956  
Average Temperature   66.3   67.4   64.1   +2.2   70.0   in 1961   60.0   in 1963  
Total Precipitation   2.51   3.02   3.89   -1.38   10.67   in 1961   .31   in 1959  
Total Snowfall   0.0   0.0   0.0   +0.0       in         in    
Total HDD   44   44   80   -36   181   in 1956   12   in 1921  
Total CDD   86   126   60   +26   186   in 1961   7   in 1893  
Avg Maximum Dew Point   64.6   64.4   60.1   +4.5   66.1   in 2015   54.6   in 1984  
Avg Minimum Dew Point   55.5   55.4   51.0   +4.5   57.0   in 2011   44.1   in 1984  
Average  Dew Point   60.1   59.9   55.5   +4.5   61.4   in 2011   49.4   in 1984  
    September 30, 2017     Record Record
Year-to-Date Summary   Observed   2016   Normal Depart   Highest Lowest
Total Precipitation   30.94   21.73   35.38   -4.44   48.49   in 1998   17.64   in 1957  
Total Snowfall (since Jul 1)   0.0   0.0   0.0   +0.0       in         in    
Total HDD (since Jul 1)   54   45   89   -35   212   in 1956   19   in 1921  
Total CDD (since Jan 1)   555   797   558   -3   797   in 2016   288   in 1902  
                             
Hour-by-Hour Weather For September 30, 2017  
Climate Weather for September 30  
Weather History For September 30  
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