Portsmouth Rhode Island Weather Almanac  
Wednesday, February 19, 2025  
Clear early then Partly Cloudy, Continued Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    February 19, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   32   36   40   -8   62   in 2017   14   in 1903  
Minimum Temperature   17   26   26   -9   43   in 2017   4   in 1923  
Average Temperature   25   31   33   -8   53   in 2017   10   in 1903  
 Month Avg Max Temperature   36.7   40.1   38.7   -2.0   45.8   in 2023   22.3   in 1979  
Month Avg Min Temperature   22.8   28.5   24.4   -1.6   30.7   in 2020   7.5   in 1979  
Month Average Temperature   30.2   34.5   32.0   -1.8   37.6   in 2020   15.1   in 1979  
High Heat Index   76               76   in 2024            
Low Wind Chill   5   17   12   -7             -12   in 1965  
Heating Degree Days   40   34   32   +8   55   in 1903   12   in 2017  
Month Heating DD   662   580   627   +35   948   in 1979   521   in 2020  
Season Heating DD   3413   3250   3546   -133   4504   in 1918   2930   in 2016    
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All    
Month Cooling DD                                        
Year Cooling DD                                        
Maximum Dew Point   14   21   31   -17   46   in 2018   6   in 2007    
Minimum Dew Point   8   7   15   -7   39   in 1992   -12   in 2007    
Average  Dew Point   11   14   23   -12   41   in 1992   -3   in 2007  
 Month Avg Max Dew Point   30.3   31.5   29.5   +0.8   39.1   in 2018   3.5   in 1979  
Month Avg Min Dew Point   13.5   20.2   13.0   +0.5   22.7   in 1984   -8.6   in 1979  
Month Average Dew Point   22.1   26.1   23.0   -0.9   29.5   in 2020   -2.6   in 1979  
Precipitation   .00   .00   .13   -.13   2.04   in 1972            
One Hour Rain   .00   .00           .49   in 1972            
Half Hour Rain   .00   .00         .13   in 2013            
Hourly Rain Rate   .00   .00           .77   in 2013            
Month Precipitation   3.15   .82   2.26   +.89   5.93   in 1988   .07   in 1912  
Year Precipitation   5.05   7.57   5.93   -.88   12.38   in 1979   2.33   in 1980    
Snow   0.0   0.0   0.4   -0.4   6.3   in 1914   0.0   in      
Snow Depth   0   0   2.0   -2.0   24   in 2015   0   in      
Month Snow   8.5   6.1   6.8   1.7   26.4   in 2003   0.0   in 2020    
Season Snow   11.9   12.7   23.9   -12.0   61.1   in 1996   2.3   in 2023    
    February 19, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   67%   66%   83%   -16%   100%   in 2000   49%   in 1987    
Minimum Humidity   46%   33%   52%   -6%   93%   in 1991   21%   in 2007    
Average Humidity   57%   50%   67%   -11%   97%   in 1991   39%   in 2007    
Maximum Barometer   30.18   30.33   30.12   +00.06   30.66   in 1905   29.41   in 1960  
Minimum Barometer   30.10   29.87   29.77   +00.33   30.35   in 2018   28.67   in 1972  
Average Barometer   30.14   30.10   29.94   +00.20   30.47   in 2018   29.15   in 1960  
Average Wind   10.8   8.8   8.8   +2.0   21.8   in 1959   2.1   in 1995  
Direction   WNW   WNW   WNW       WNW         SSE        
High Wind Gust   30   25   27   +3   56   in 2011   10   in 1967  
Direction   NW   NW   WNW       W         ENE        
Maximum Water Temp   35.4   39.9   38.2   -2.8   43.8   in 2012   32.7   in 2015  
Minimum Water Temp   33.8   38.3   36.2   -2.4   41.9   in 2012   31.3   in 2007  
Average Water Temp   34.6   39.1   37.2   -2.6   42.9   in 2012   32.4   in 2015  
Sunrise/ AM Twilight   6:35:18 AM   6:34:14 AM            
Sunset / PM Twilight   5:23:58 PM   5:52:56 PM            
Length Of Day   10:48:40                          
Special Conditions   None                                  
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