Portsmouth Rhode Island Weather Almanac
Friday, October 2, 2020
Partly Cloudy early, Cloudy Day to Partly Cloudy PM, Light Winds, Light Fog and Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    October 2, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   68   82   67   +1   84   in 1954   46   in 1899  
Minimum Temperature   50   55   51   -1   65   in 2002   35   in 1899  
Average Temperature   59   69   59   +0   75   in 1927   41   in 1899  
Precipitation   .00   .15   .12   -.12   2.28   in 1929            
One Hour   .00   .11           .33   in 1977            
Snow   #N/A   0.0   0.0   #N/A   0.0   in              
Snow Depth   #N/A   0           44106   in            
HDD   6   0   7   -1   24   in 1899   0   in 2019  
CDD   0   4   1   -1   10   in 1927   0   in 1900  
Maximum Dew Point   62   72   57   +6   72   in 2019   42   in 1998  
Minimum Dew Point   48   53   46   +3   63   in 2002   31   in 1997  
Average  Dew Point   55   63   51   +4   66   in 2002   39   in 1998  
Maximum Humidity   96%   93%   94%   +2%   100%   in 2018   69%   in 1998  
Minimum Humidity   62%   70%   60%   +2%   91%   in 2015   30%   in 1953  
Average Humidity   79%   82%   77%   +2%   96%   in 1989   50%   in 1953  
Maximum Barometer   30.04   30.04   30.12   -00.08   30.63   in 1949   29.65   in 1981  
Minimum Barometer   29.90   29.75   29.87   +00.03   30.46   in 1949   29.33   in 1981  
Average Barometer   29.97   29.90   29.99   -00.02   30.55   in 1949   29.49   in 1981  
Average Wind   4.0   6.5   5.9   -1.9   14.5   in 2015   1.2   in 1961  
Direction   NNW   NE   W       NNE         SE        
High Wind Gust   23   26   21   +2   44   in 1984   10   in 1961  
Direction   NNW   NE   NNE       NE         S        
High Heat Index       86           86   in 2019            
Wind Chill                             36   in 1992  
Maximum Water Temp   66.9   67.2   65.5   +1.4   69.5   in 2002   61.3   in 1997  
Minimum Water Temp   65.7   65.5   63.4   +2.3   67.1   in 2011   58.5   in 1997  
Average Water Temp   66.3   66.4   64.5   +1.8   68.3   in 2002   59.9   in 1997  
Sunrise/ AM Twilight   6:44:30 AM   6:16:58 AM            
Sunset / PM Twilight   6:23:49 PM   6:51:21 PM            
Length Of Day   11:39:19                          
Special Conditions   Fog                                  
Comments      
    October 2, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   70.0   76.0   67.0   +3.0   84.0   in 1927   49.0   in 1899  
Avg Minimum Temperature   55.0   55.5   51.0   +4.0   64.5   in 1927   35.0   in 1992  
Average Temperature   62.5   66.0   59.0   +3.5   74.5   in 1927   44.5   in 1899  
Total Precipitation   .00   .15   .24   -.24   2.51   in 1984   .00   in 2020  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   6   2   13   -7   41   in 1899   0   in 2002  
Total CDD   1   4   2   -1   19   in 1927   0   in 2018  
Avg Maximum Dew Point   63.0   68.0   56.8   +6.3   68.0   in 2019   43.0   in 1992  
Avg Minimum Dew Point   51.5   51.5   45.8   +5.7   61.5   in 1954   27.0   in 1992  
Average  Dew Point   57.5   60.0   51.3   +6.2   64.8   in 1954   35.0   in 1992  
    October 2, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   25.26   39.55   35.75   -10.49   48.53   in 1998   17.64   in 1957  
Total Snow (since Jul 1 20)   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD (since Jul 1 20)   62   45   102   -40   235   in 1956   23   in 1921  
Total CDD (since Jan 1)   868   727   560   +308   868   in 2020   290   in 1902  
                             
Hour-by-Hour Weather For October 2, 2020  
Climate Weather for October 2  
Weather History For October 2  
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