Portsmouth Rhode Island Weather Almanac  
Saturday, February 22, 2025  
Partly Cloudy, Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    February 22, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   40   38   41   -1   58   in 1990   18   in 1963  
Minimum Temperature   18   20   26   -8   41   in 1996   4   in 1918  
Average Temperature   29   29   34   -5   49   in 1954   13   in 1963  
 Month Avg Max Temperature   36.6   39.8   38.9   -2.3   46.1   in 2023   25.0   in 1979  
Month Avg Min Temperature   22.3   27.4   24.6   -2.4   30.1   in 1960   9.7   in 1979  
Month Average Temperature   29.8   33.7   32.2   -2.4   37.5   in 2023   17.5   in 1979  
High Heat Index   76               76   in 2024            
Low Wind Chill   4   20   16   -12             -13   in 1963  
Heating Degree Days   36   36   31   +5   52   in 1963   16   in 1954  
Month Heating DD   774   688   721   +53   1044   in 1979   605   in 2023  
Season Heating DD   3525   3358   3640   -115   4636   in 1918   2994   in 2016    
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All    
Month Cooling DD                                        
Year Cooling DD                                        
Maximum Dew Point   26   35   31   -5   54   in 1989   -5   in 1963    
Minimum Dew Point   10   18   15   -5   39   in 1996   -14   in 1999    
Average  Dew Point   18   27   23   -5   46   in 1989   -9   in 1963  
 Month Avg Max Dew Point   29.1   30.9   29.7   -0.6   40.7   in 2018   7.7   in 1979  
Month Avg Min Dew Point   13.1   19.4   13.3   -0.2   22.7   in 1984   -5.2   in 1979  
Month Average Dew Point   21.3   25.4   23.0   -1.7   31.1   in 2018   1.3   in 1979  
Precipitation   .00   .01   .13   -.13   1.89   in 1904            
One Hour Rain   .00   .01           .46   in 2003            
Half Hour Rain   .00   .01         .18   in 2021            
Hourly Rain Rate   .00   .00           .99   in 2022            
Month Precipitation   3.15   .83   2.65   +.50   6.50   in 1898   .56   in 2012  
Year Precipitation   5.05   7.58   6.32   -1.27   12.91   in 1979   2.46   in 1901    
Snow   0.0   0.0   0.4   -0.4   5.6   in 1893   0.0   in      
Snow Depth   0   0   1.7   -1.7   20   in 2015   0   in      
Month Snow   8.5   6.1   8.0   0.5   26.4   in 2003   0.0   in 2020    
Season Snow   11.9   12.7   25.1   -13.2   61.1   in 1996   2.3   in 2023    
    February 22, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   83%   95%   85%   -2%   100%   in 2003   46%   in 1956    
Minimum Humidity   35%   69%   53%   -18%   94%   in 1996   23%   in 2001    
Average Humidity   59%   82%   69%   -10%   97%   in 1996   39%   in 1968    
Maximum Barometer   30.31   30.27   30.12   +00.19   30.69   in 2018   29.56   in 1965  
Minimum Barometer   30.12   29.75   29.80   +00.32   30.48   in 2000   29.09   in 1976  
Average Barometer   30.22   30.01   29.96   +00.25   30.54   in 2000   29.44   in 1965  
Average Wind   10.6   5.5   8.0   +2.6   15.9   in 1988   2.0   in 1996  
Direction   NW   SSW   WNW       SW         N        
High Wind Gust   33   17   27   +6   90   in 1912   13   in 1971  
Direction   NW   SSW   NW       SE         E        
Maximum Water Temp   35.8   40.5   38.7   -2.9   43.9   in 2012   32.6   in 2015  
Minimum Water Temp   34.0   38.5   37.0   -3.0   42.6   in 2012   32.0   in 2015  
Average Water Temp   34.9   39.5   37.8   -2.9   43.3   in 2012   32.3   in 2015  
Sunrise/ AM Twilight   6:31:00 AM   6:29:53 AM            
Sunset / PM Twilight   5:27:38 PM   5:56:26 PM            
Length Of Day   10:56:38                          
Special Conditions   None                                  
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