Portsmouth Rhode Island Weather Almanac
Sunday, September 6, 2020
Clear, Breezy and Warmer
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    September 6, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   80   66   75   +5   87   in 1983   58   in 1963  
Minimum Temperature   62   55   59   +3   72   in 2018   47   in 1902  
Average Temperature   71   61   67   +4   79   in 2018   56   in 1963  
Precipitation   .00   .07   .13   -.13   1.71   in 2011            
One Hour   .00   .05           .84   in 1979            
Snow   #N/A   0.0   0.0   #N/A   0.0   in              
Snow Depth   #N/A   0           0   in            
HDD   0   4   1   -1   9   in 1963   0   in 2020  
CDD   6   0   3   +3   14   in 2018   0   in 2019  
Maximum Dew Point   67   60   63   +5   77   in 2018   45   in 1984  
Minimum Dew Point   58   51   54   +5   71   in 1953   38   in 1984  
Average  Dew Point   63   56   58   +5   74   in 2018   42   in 1984  
Maximum Humidity   91%   94%   93%   -2%   100%   in 2017   73%   in 1970  
Minimum Humidity   52%   69%   60%   -8%   93%   in 2008   36%   in 2002  
Average Humidity   72%   82%   76%   -5%   96%   in 2008   58%   in 1984  
Maximum Barometer   30.19   30.06   30.12   +00.07   30.57   in 1992   29.88   in 1994  
Minimum Barometer   30.15   29.69   29.91   +00.24   30.40   in 2000   29.24   in 1979  
Average Barometer   30.17   29.88   30.02   +00.15   30.45   in 2000   29.61   in 1979  
Average Wind   6.7   9.9   5.8   +0.9   13.5   in 1979   1.3   in 1965  
Direction   SW   NE   SW       S         SSE        
High Wind Gust   26   27   20   +6   46   in 1979   10   in 1989  
Direction   SW   NE   SE       SSW         NE        
High Heat Index   80   66   76   +4   95   in 2018            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   71.2   70.3   70.2   +1.0   74.2   in 2018   66.9   in 2017  
Minimum Water Temp   69.3   68.4   67.7   +1.6   71.9   in 2018   64.9   in 2000  
Average Water Temp   70.3   69.4   69.0   +1.3   73.1   in 2018   66.1   in 2017  
Sunrise/ AM Twilight   6:17:50 AM   5:49:49 AM            
Sunset / PM Twilight   7:08:27 PM   7:36:28 PM            
Length Of Day   12:50:37                          
Special Conditions   None                                  
Comments      
    September 6, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   79.3   75.0   75.3   +4.0   86.2   in 1898   66.8   in 1994  
Avg Minimum Temperature   63.5   59.0   60.2   +3.3   70.5   in 1898   51.5   in 1893  
Average Temperature   71.4   67.0   67.8   +3.7   78.3   in 1898   60.6   in 1994  
Total Precipitation   .39   .07   .78   -.39   4.18   in 1905   .00   in 2015  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   0   4   6   -6   29   in 1994   0   in 2020  
Total CDD   40   17   23   +17   82   in 1898   0   in 1976  
Avg Maximum Dew Point   67.7   66.0   63.3   +4.4   73.2   in 1973   54.3   in 1984  
Avg Minimum Dew Point   56.3   55.5   54.2   +2.1   67.0   in 1973   44.3   in 1984  
Average  Dew Point   62.0   60.8   58.7   +3.3   70.1   in 1973   49.3   in 1984  
    September 6, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   24.42   37.90   32.40   -7.98   45.30   in 1998   16.55   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)   0   4   15   -15   29   in 1994   0   in 2020  
Total CDD (since Jan 1)   806   675   521   +285   806   in 2020   272   in 1902  
                             
Hour-by-Hour Weather For September 6, 2020  
Climate Weather for September 6  
Weather History For September 6  
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