Portsmouth Rhode Island Weather Almanac  
Wednesday, July 26, 2023  
Clear, Light Winds, Contined Warm and Humid  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    July 26, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   84   80   80   +4   91   in 2020   67   in 2000  
Minimum Temperature   66   64   65   +1   73   in 2020   53   in 2002  
Average Temperature   75   72   73   +2   82   in 2020   63   in 2002  
 Month Avg Max Temperature   81.8   81.9   79.7   +2.1   84.5   in 1955   73.7   in 1902  
Month Avg Min Temperature   67.9   66.3   64.6   +3.3   70.3   in 2013   59.1   in 1962  
Month Average Temperature   75.1   74.3   72.5   +2.6   76.5   in 2013   67.6   in 1902  
High Heat Index   91   80           101   in 1961            
Low Wind Chill                                      
Heating Degree Days   0   0   0   +0   2   in 2002   0   in 2023  
Month Heating DD   0   0   3   -3   23   in 1914   0   in 2023  
Season Heating DD   0   0   3   -3   23   in 1914   0   in 2023  
Cooling Degree Days   10   7   7   +3   17   in 2020   0   in 2017  
Month Cooling DD   263   243   195   +68   299   in 2013   78   in 1902  
Year Cooling DD   339   338   288   +51   431   in 2010   103   in 1902  
Maximum Dew Point   74   73   69   +5   76   in 1995   56   in 1976  
Minimum Dew Point   63   60   61   +2   72   in 1995   42   in 2004  
Average  Dew Point   69   67   65   +4   74   in 1995   51   in 2004  
 Month Avg Max Dew Point   74.4   70.7   68.5   +5.9   74.4   in 2023   62.1   in 1969  
Month Avg Min Dew Point   66.3   61.7   60.1   +6.2   67.5   in 2013   52.3   in 1957  
Month Average Dew Point   70.3   66.2   64.3   +6.0   70.5   in 2013   57.3   in 1965  
Precipitation   .00   .00   .10   -.10   3.02   in 2001            
One Hour Rain   .00   .00           .76   in 2001            
Hourly Rain Rate   .00   .00           3.67   in 2009            
Month Precipitation   5.46   .49   2.58   +2.88   8.73   in 2009   .36   in 1952  
Year Precipitation   29.94   23.39   25.15   +4.79   41.06   in 1998   13.93   in 1957  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   0.0   0.0   0.0   +0.0   0.0   in 1996   0.0   in 1998  
    July 26, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   96%   99%   92%   +4%   100%   in 2018   63%   in 1965  
Minimum Humidity   66%   53%   60%   +6%   91%   in 1985   30%   in 2004  
Average Humidity   81%   76%   76%   +5%   96%   in 1985   47%   in 1965  
Maximum Barometer   30.09   29.98   30.04   +00.05   30.32   in 2000   29.80   in 2012  
Minimum Barometer   30.02   29.90   29.86   +00.16   30.22   in 2000   29.50   in 1987  
Average Barometer   30.06   29.94   29.95   +00.10   30.27   in 2000   29.71   in 2012  
Average Wind   4.8   3.5   5.9   -1.1   13.1   in 1985   1.0   in 1996  
Direction   SW   NW   SSW       SSW S
High Wind Gust   21   15   21   +0   43   in 1985   8   in 1996  
Direction   SW   WNW   SSW       SW S
Maximum Water Temp   77.4   74.5   71.5   +5.9   77.4   in 2023   66.9   in 2000  
Minimum Water Temp   72.9   71.2   68.4   +4.5   72.9   in 2023   63.7   in 2001  
Average Water Temp   75.2   72.9   70.0   +5.2   75.2   in 2023   65.8   in 1997  
Sunrise/ AM Twilight   5:33:40 AM   5:03:43 AM            
Sunset / PM Twilight   8:08:59 PM   8:39:52 PM            
Length Of Day   14:35:19                          
Special Conditions   None                              
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