Portsmouth Rhode Island Weather Almanac
Tuesday, June 4, 2019
Clear early then Partly Cloudy and Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    June 4, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   68   55   71   -3   90   in 1919   54   in 1945  
Minimum Temperature   49   48   54   -5   63   in 1963   43   in 1907  
Average Temperature   59   52   62   -3   75   in 1919   51   in 1945  
Precipitation   .00   .79   .11   -.11   2.12   in 2007            
One Hour   .00   .32           .89   in 2007            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   6   13   4   +2   14   in 1945   0   in 2016  
CDD   0   0   1   -1   10   in 1919            
Maximum Dew Point   53   53   58   -5   70   in 2016   44   in 1998  
Minimum Dew Point   39   45   49   -10   62   in 1963   34   in 1964  
Average  Dew Point   46   49   54   -8   65   in 2010   40   in 1998  
Maximum Humidity   84%   97%   92%   -8%   100%   in 2016   69%   in 1998  
Minimum Humidity   40%   87%   57%   -17%   94%   in 1979   28%   in 1977  
Average Humidity   62%   92%   74%   -12%   97%   in 1979   50%   in 1977  
Maximum Barometer   30.09   30.01   30.02   +00.07   30.39   in 1976   29.63   in 1954  
Minimum Barometer   29.99   29.67   29.82   +00.17   30.22   in 1958   29.29   in 2007  
Average Barometer   30.04   29.84   29.92   +00.12   30.30   in 1976   29.56   in 2007  
Average Wind   8.0   9.5   6.5   +1.5   12.1   in 1986   1.9   in 2009  
Direction   SSW   NNE   SW       SW         SSE        
High Wind Gust   24   25   22   +2   36   in 1986   10   in 1987  
Direction   SSW   NNE   SW       SW         S        
High Heat Index   66   55   70   -4   84   in 1971            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   60.7   59.4   60.8   -0.1   67.8   in 2010   56.3   in 1997  
Minimum Water Temp   57.7   57.0   57.2   +0.5   62.2   in 2010   51.9   in 2003  
Average Water Temp   59.2   58.2   59.0   +0.2   65.0   in 2010   55.1   in 1997  
Sunrise/ AM Twilight   5:12:19 AM   4:38:55 AM            
Sunset / PM Twilight   8:15:03 PM   8:48:28 PM            
Length Of Day   15:02:44                          
Special Conditions   None                                  
Comments      
    June 4, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   70.0   68.0   70.5   -0.5   81.8   in 1925   52.0   in 1893  
Avg Minimum Temperature   53.8   54.5   53.0   +0.8   60.5   in 2010   44.5   in 1907  
Average Temperature   61.9   61.3   61.5   +0.4   70.5   in 1925   50.1   in 1907  
Total Precipitation   .06   .94   .48   -.42   2.61   in 2007   .00   in 2005  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   11   21   16   -5   59   in 1907   0   in 1999  
Total CDD   0   7   4   -4   27   in 1895   0   in 2019  
Avg Maximum Dew Point   59.5   61.5   58.0   +1.5   67.0   in 2010   47.3   in 1953  
Avg Minimum Dew Point   46.5   50.5   48.3   -1.8   58.8   in 2010   35.5   in 1953  
Average  Dew Point   53.0   56.3   53.1   -0.1   62.9   in 2010   41.4   in 1953  
    June 4, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   21.97   23.95   20.98   +.99   36.73   in 1983   11.66   in 1905  
Total Snow (since Jul 1 18)   21.1   45.6   31.8   -10.7   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 18)   5501   5309   5588   -87   6554   in 1905   4494   in 2012  
Total CDD (since Jan 1)   10   18   13   -3   55   in 1991   0   in 2003  
                             
Hour-by-Hour Weather For June 4, 2019  
Climate Weather for June 4  
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