Portsmouth Rhode Island Weather Almanac
Thursday, September 26, 2019
Partly Cloudy to Cloudy with Heavy Rain and Fog, Warmer
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    September 26, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   76   75   69   +7   86   in 1920   55   in 2000  
Minimum Temperature   57   69   53   +4   69   in 2018   41   in 1956  
Average Temperature   67   72   61   +6   76   in 1930   50   in 1956  
Precipitation   .47   .17   .13   +.34   2.53   in 2008            
One Hour   .30   .06           .98   in 1992            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   0   0   5   -5   15   in 1956   0   in 2019  
CDD   2   7   1   +1   11   in 1930   0   in 2016  
Maximum Dew Point   67   74   57   +10   74   in 2018   40   in 1966  
Minimum Dew Point   55   69   48   +7   69   in 2018   14   in 1957  
Average  Dew Point   61   72   53   +8   72   in 2018   31   in 1957  
Maximum Humidity   97%   100%   94%   +3%   100%   in 2018   74%   in 1987  
Minimum Humidity   67%   89%   60%   +7%   93%   in 1975   24%   in 1957  
Average Humidity   82%   95%   77%   +5%   96%   in 1975   53%   in 1951  
Maximum Barometer   29.92   30.16   30.15   -00.23   30.57   in 1925   29.81   in 1954  
Minimum Barometer   29.76   29.92   29.91   -00.15   30.35   in 2015   29.30   in 1991  
Average Barometer   29.84   30.04   30.03   -00.19   30.42   in 2015   29.57   in 1991  
Average Wind   6.3   10.9   5.8   +0.5   13.4   in 2000   2.1   in 2011  
Direction   SSW   SSW   SSW       NE         SW        
High Wind Gust   22   28   21   +1   38   in 1984   10   in 1971  
Direction   SSW   SSE   SSW       WNW         SW        
High Heat Index   78   79   70   +8   91   in 1958            
Wind Chill                                      
Maximum Water Temp   67.6   67.1   66.8   +0.8   69.3   in 2011   63.7   in 1996  
Minimum Water Temp   66.3   65.3   64.9   +1.4   67.3   in 2003   61.7   in 2000  
Average Water Temp   67.0   66.2   65.8   +1.1   68.3   in 2003   62.9   in 1996  
Sunrise/ AM Twilight   6:37:40 AM   6:10:09 AM            
Sunset / PM Twilight   6:34:54 PM   7:02:25 PM            
Length Of Day   11:57:14                          
Special Conditions   Dense Fog                              
Comments      
    September 26, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   74.9   73.8   72.4   +2.5   78.8   in 1961   67.3   in 1963  
Avg Minimum Temperature   57.0   61.6   57.1   -0.1   63.6   in 1961   52.1   in 1962  
Average Temperature   65.9   67.7   64.7   +1.2   71.2   in 1961   60.0   in 1963  
Total Precipitation   1.57   4.99   3.38   -1.81   10.67   in 1961   .31   in 1959  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   34   34   58   -24   143   in 1956   5   in 1930  
Total CDD   63   110   56   +7   180   in 1961   7   in 1893  
Avg Maximum Dew Point   63.3   61.8   60.6   +2.7   67.4   in 1961   55.2   in 1966  
Avg Minimum Dew Point   53.2   50.0   51.5   +1.6   58.9   in 1961   44.9   in 1967  
Average  Dew Point   58.3   56.2   56.1   +2.2   63.2   in 1961   50.3   in 1967  
    September 26, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   39.40   33.83   34.87   +4.53   48.03   in 1998   17.64   in 1957  
Total Snow (since Jul 1 19)   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD (since Jul 1 19)   37   34   67   -30   174   in 1956   10   in 1930  
Total CDD (since Jan 1)   721   758   554   +167   796   in 2016   283   in 1902  
                             
Hour-by-Hour Weather For September 26, 2019  
Climate Weather for September 26  
Weather History For September 26  
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