Portsmouth Rhode Island Weather Almanac  
Sunday, June 25, 2023  
Dense Fog early, then Mostly Cloudy, Warm and Humid  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    June 25, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   80   86   77   +3   93   in 1943   59   in 1940  
Minimum Temperature   65   61   61   +4   68   in 1909   49   in 1979  
Average Temperature   73   74   69   +4   78   in 1943   55   in 1903  
 Month Avg Max Temperature   71.9   74.3   73.0   -1.2   78.5   in 1957   65.6   in 1903  
Month Avg Min Temperature   55.6   57.2   57.0   -1.4   60.5   in 2001   51.8   in 1907  
Month Average Temperature   64.0   66.0   65.1   -1.2   68.3   in 2001   59.6   in 1907  
High Heat Index   84   89           98   in 1943            
Low Wind Chill                                      
Heating Degree Days   0   0   1   -1   10   in 1903   0   in 2023  
Month Heating DD   61   24   48   +13   159   in 1907   5   in 1899  
Season Heating DD   4783   5009   5476   -693   6619   in 1905   4444   in 1932  
Cooling Degree Days   8   9   4   +4   13   in 1943   0   in 2004  
Month Cooling DD   35   48   56   -21   118   in 1957   3   in 1916  
Year Cooling DD   44   71   68   -24   134   in 1957   3   in 1916  
Maximum Dew Point   72   68   66   +6   74   in 1994   48   in 1979  
Minimum Dew Point   65   59   57   +8   65   in 2023   38   in 1986  
Average  Dew Point   69   64   61   +8   69   in 2023   44   in 1979  
 Month Avg Max Dew Point   61.9   62.3   62.2   -0.3   65.2   in 1996   54.5   in 1965  
Month Avg Min Dew Point   53.6   52.8   52.4   +1.2   56.6   in 2010   43.6   in 1958  
Month Average Dew Point   57.7   57.6   57.2   +0.6   60.8   in 2010   49.5   in 1958  
Precipitation   .00   .00   .12   -.12   1.76   in 1981            
One Hour Rain   .00   .00           .44   in 1981            
Hourly Rain Rate   .00   .00           3.16   in 2006            
Month Precipitation   1.70   2.71   2.97   -1.27   8.93   in 1982   .05   in 1949  
Year Precipitation   22.37   21.91   22.01   +.36   38.25   in 1998   12.67   in 1957  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   9.1   34.7   33.5   -24.4   84.1   in 1996   5.0   in 1998  
    June 25, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   98%   92%   +7%   100%   in 2018   65%   in 1953  
Minimum Humidity   76%   40%   57%   +19%   93%   in 2006   27%   in 1963  
Average Humidity   88%   69%   75%   +13%   97%   in 2006   51%   in 1982  
Maximum Barometer   29.87   30.11   30.02   -00.15   30.34   in 2021   29.70   in 1952  
Minimum Barometer   29.81   30.03   29.82   -00.01   30.27   in 2021   29.44   in 1992  
Average Barometer   29.84   30.07   29.92   -00.08   30.31   in 2021   29.63   in 1952  
Average Wind   5.3   3.4   6.1   -0.8   13.4   in 1974   2.3   in 2009  
Direction   SW   NW   S       NE SSW
High Wind Gust   16   14   21   -5   35   in 1974   10   in 1973  
Direction   S   NW   SSW       ENE SSE
Maximum Water Temp   68.7   67.8   67.6   +1.1   75.5   in 2007   62.4   in 2009  
Minimum Water Temp   66.6   64.6   63.4   +3.2   72.3   in 2007   58.3   in 2020  
Average Water Temp   67.7   66.2   65.5   +2.2   73.9   in 2007   60.6   in 2020  
Sunrise/ AM Twilight   5:12:12 AM   4:39:08 AM            
Sunset / PM Twilight   8:23:10 PM   8:57:10 PM            
Length Of Day   15:10:58                          
Special Conditions   Dense Fog                              
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Hour-by-Hour Weather For June 25, 2023            
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