Portsmouth Rhode Island Weather Almanac
Saturday, June 13, 2020
Mostly Cloudy early then Partly Cloudy, Light Winds and Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    June 13, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   74   57   73   +1   93   in 1956   55   in 1982  
Minimum Temperature   59   53   57   +2   68   in 1988   45   in 1976  
Average Temperature   67   55   65   +2   78   in 2017   51   in 1982  
Precipitation   .00   1.42   .12   -.12   3.86   in 1998            
One Hour   .00   .60           .92   in 1998            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0           43995   in            
HDD   0   10   2   -2   14   in 1982   0   in 2020  
CDD   2   0   2   +0   13   in 2017   0   in 2019  
Maximum Dew Point   57   56   61   -4   72   in 2005   44   in 1979  
Minimum Dew Point   43   49   51   -8   64   in 2005   30   in 1960  
Average  Dew Point   50   53   56   -6   68   in 2005   41   in 1979  
Maximum Humidity   78%   96%   92%   -14%   100%   in 2018   63%   in 1956  
Minimum Humidity   35%   75%   61%   -26%   97%   in 1998   27%   in 1990  
Average Humidity   57%   86%   76%   -20%   99%   in 1998   53%   in 1979  
Maximum Barometer   30.26   30.17   30.01   +00.25   30.41   in 1976   29.54   in 1955  
Minimum Barometer   30.04   29.70   29.79   +00.25   30.18   in 2004   29.36   in 1985  
Average Barometer   30.15   29.94   29.90   +00.25   30.24   in 2004   29.50   in 1955  
Average Wind   4.9   8.3   6.0   -1.1   12.9   in 1975   2.6   in 1990  
Direction   NNW   E   SW       S         WNW        
High Wind Gust   19   26   21   -2   37   in 1965   13   in 2011  
Direction   NW   E   SW       NW         SSE        
High Heat Index   74   57   72   +2   97   in 1956            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   59.2   62.6   63.2   -4.0   69.4   in 2008   57.2   in 1998  
Minimum Water Temp   54.9   59.3   59.5   -4.6   66.0   in 2007   53.7   in 2006  
Average Water Temp   57.1   61.0   61.4   -4.3   66.8   in 2007   56.3   in 2003  
Sunrise/ AM Twilight   5:10:46 AM   4:36:54 AM            
Sunset / PM Twilight   8:20:08 PM   8:53:59 PM            
Length Of Day   15:09:22                          
Special Conditions   None                                  
Comments      
    June 13, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   74.0   72.1   71.5   +2.5   78.6   in 1925   60.8   in 1907  
Avg Minimum Temperature   56.3   54.8   54.6   +1.7   60.1   in 2008   46.8   in 1907  
Average Temperature   65.2   63.4   62.8   +2.3   68.7   in 1899   53.8   in 1907  
Total Precipitation   1.16   3.23   1.65   -.49   7.34   in 1982   T   in 1949  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   22   28   38   -16   144   in 1907   2   in 1899  
Total CDD   28   10   17   +11   72   in 1984   0   in 2003  
Avg Maximum Dew Point   61.2   60.5   59.3   +2.0   65.0   in 1996   49.4   in 1988  
Avg Minimum Dew Point   51.7   49.1   49.5   +2.2   56.2   in 2005   41.1   in 1988  
Average  Dew Point   56.5   54.8   54.4   +2.1   60.3   in 2005   45.2   in 1988  
    June 13, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   20.37   25.14   22.15   -1.78   36.73   in 1983   12.64   in 1957  
Total Snow (since Jul 1 19)   12.9   21.1   32.1   -19.2   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 19)   5114   5518   5610   -496   6601   in 1905   4529   in 2012  
Total CDD (since Jan 1)   36   20   26   +10   76   in 1991   0   in 2003  
                             
Hour-by-Hour Weather For June 13, 2020  
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