Portsmouth Rhode Island Weather Almanac  
Friday, January 24, 2025  
Clear, Dry and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2025
    January 24, 2025   Record   Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest   Lowest  
Maximum Temperature   32   45   37   -5   58   in 1967   11   in 1907  
Minimum Temperature   19   32   23   -4   42   in 1953   1   in 2011  
Average Temperature   26   39   30   -4   50   in 1967   9   in 2011  
 Month Avg Max Temperature   34.6   38.3   38.3   -3.7   46.0   in 1913   27.7   in 1893  
Month Avg Min Temperature   22.5   25.8   24.5   -1.9   32.9   in 2023   11.1   in 1981  
Month Average Temperature   28.8   32.2   31.5   -2.6   39.0   in 1932   19.9   in 1981  
High Heat Index   76               76   in 2024            
Low Wind Chill   11   26   13   -2             -17   in 2004  
Heating Degree Days   39   26   35   +4   56   in 2011   15   in 1967  
Month Heating DD   868   787   805   +63   1082   in 1981   623   in 1932  
Season Heating DD   2520   2467   2675   -155   3468   in 1918   2097   in 2016    
Cooling Degree Days   0   0   #REF!   #REF!   0   in 1900   0   in All    
Month Cooling DD                                        
Year Cooling DD                                        
Maximum Dew Point   18   45   28   -10   54   in 2019   -3   in 2013    
Minimum Dew Point   10   31   12   -2   38   in 1967   -14   in 2004    
Average  Dew Point   14   38   20   -6   45   in 1999   -6   in 2011  
 Month Avg Max Dew Point   24.6   31.1   30.6   -6.0   39.1   in 2023   13.6   in 1970  
Month Avg Min Dew Point   14.1   17.8   14.5   -0.5   28.3   in 2023   -3.9   in 1981  
Month Average Dew Point   19.6   24.7   22.7   -3.1   33.8   in 2023   4.9   in 1981  
Precipitation   .00   .33   .12   -.12   1.80   in 1965            
One Hour Rain   .00   .04           .37   in 2019            
Half Hour Rain   .00   .03         .24   in 2019            
Hourly Rain Rate   .00   .09           4.92   in 2019            
Month Precipitation   1.49   5.38   2.90   -1.41   9.13   in 1979   .60   in 1984  
Year Precipitation   1.49   5.38   2.90   -1.41   9.13   in 1979   .60   in 1984    
Snow   0.0   0.3   0.4   -0.4   9.0   in 1965   0.0   in      
Snow Depth   1   0   1.3   -0.3   25   in 2005   0   in      
Month Snow   3.2   6.4   7.6   -4.4   31.4   in 2005   0.0   in 1986    
Season Snow   3.4   6.5   14.7   -11.3   43.6   in 2005   0.5   in 1928    
    January 24, 2025     Record Record  
Observed Daily Data   2025   2024   Norm   Depart   Highest Lowest  
Maximum Humidity   71%   99%   83%   -12%   100%   in 2019   40%   in 1980    
Minimum Humidity   52%   95%   54%   -2%   95%   in 2024   21%   in 1989    
Average Humidity   62%   97%   69%   -7%   98%   in 1998   35%   in 1980    
Maximum Barometer   30.25   30.59   30.12   +00.13   30.88   in 1986   29.49   in 1980  
Minimum Barometer   30.06   30.23   29.75   +00.31   30.33   in 2020   28.96   in 1992  
Average Barometer   30.16   30.41   29.93   +00.22   30.54   in 1986   29.29   in 1992  
Average Wind   7.2   6.1   8.7   -1.5   18.4   in 2019   2.7   in 1960  
Direction   WNW   SSE   NW       S         N        
High Wind Gust   18   17   27   -9   60   in 1945   12   in 1964  
Direction   WNW   SSE   WNW       NW         WNW        
Maximum Water Temp   36.5   43.0   39.2   -2.7   45.7   in 2007   33.4   in 2014  
Minimum Water Temp   34.5   40.5   36.9   -2.4   43.2   in 2007   31.1   in 2004  
Average Water Temp   35.5   41.8   38.1   -2.6   44.4   in 2007   32.7   in 2014  
Sunrise/ AM Twilight   7:03:37 AM   6:33:50 AM            
Sunset / PM Twilight   4:50:37 PM   5:20:54 PM            
Length Of Day   16:51:15                          
Special Conditions   None                                  
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