Portsmouth Rhode Island Weather Almanac  
Monday, June 5, 2023  
Cloudy to Mostly Cloudy PM, Light Rain, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    June 5, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   64   72   71   -7   90   in 1925   53   in 1945  
Minimum Temperature   49   53   54   -5   67   in 1925   44   in 1944  
Average Temperature   57   63   63   -6   79   in 1925   49   in 1945  
 Month Avg Max Temperature   67.6   70.8   70.2   -2.6   83.4   in 1925   55.6   in 1907  
Month Avg Min Temperature   50.4   55.2   53.6   -3.2   61.0   in 2010   45.2   in 1945  
Month Average Temperature   59.4   63.2   62.2   -2.8   72.2   in 1925   50.6   in 1907  
High Heat Index   63   72           95   in 1925            
Low Wind Chill   44                         39   in 1997  
Heating Degree Days   8   2   2   +6   16   in 1945   0   in 2021  
Month Heating DD   32   9   17   +15   72   in 1907   0   in 1925  
Season Heating DD   4754   4994   5445   -691   6554   in 1905   4374   in 1932  
Cooling Degree Days   0   0   1   -1   14   in 1925   0   in 2023  
Month Cooling DD   4   0   5   -1   36   in 1925   0   in 2022  
Year Cooling DD   13   23   16   -3   55   in 1991   0   in 2003  
Maximum Dew Point   54   57   60   -6   70   in 2010   41   in 1964  
Minimum Dew Point   47   43   50   -3   63   in 2010   32   in 1971  
Average  Dew Point   51   50   55   -4   67   in 2010   38   in 1964  
 Month Avg Max Dew Point   57.4   59.6   59.2   -1.8   67.6   in 2010   48.8   in 1976  
Month Avg Min Dew Point   48.0   50.2   49.0   -1.0   59.4   in 2010   39.4   in 1953  
Month Average Dew Point   52.7   54.9   54.0   -1.3   63.5   in 2010   45.1   in 1953  
Precipitation   .02   .00   .12   -.10   3.61   in 1920            
One Hour Rain   .01   .00           1.41   in 2010            
Hourly Rain Rate   .00   .00           6.78   in 2010            
Month Precipitation   .03   .18   .57   -.54   5.35   in 1982   .00   in 2005  
Year Precipitation   20.70   19.38   19.61   +1.09   36.73   in 1983   11.66   in 1905  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   9.1   34.7   33.5   -24.4   84.1   in 1996   5.0   in 1998  
    June 5, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   96%   96%   91%   +5%   100%   in 2021   54%   in 1977  
Minimum Humidity   66%   40%   59%   +7%   94%   in 2014   24%   in 1971  
Average Humidity   81%   68%   75%   +6%   97%   in 2014   46%   in 1965  
Maximum Barometer   29.91   30.00   30.01   -00.10   30.42   in 1976   29.61   in 2007  
Minimum Barometer   29.74   29.88   29.82   -00.08   30.23   in 1976   29.31   in 1988  
Average Barometer   29.83   29.94   29.91   -00.09   30.33   in 1976   29.48   in 1988  
Average Wind   9.0   6.0   6.3   +2.7   15.3   in 1988   1.9   in 1952  
Direction   NW   NW   SSW       WNW S
High Wind Gust   23   22   22   +1   52   in 1927   10   in 1952  
Direction   NNE   SSW   SSE       NW SE
Maximum Water Temp   59.5   64.0   61.0   -1.5   67.6   in 2010   54.7   in 2020  
Minimum Water Temp   58.1   61.9   57.7   +0.4   66.0   in 2010   51.4   in 2020  
Average Water Temp   58.8   63.0   59.4   -0.6   66.8   in 2010   53.1   in 2020  
Sunrise/ AM Twilight   5:11:58 AM   4:38:22 AM            
Sunset / PM Twilight   8:15:28 PM   8:49:34 PM            
Length Of Day   15:03:30                          
Special Conditions   Fog                                  
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