Portsmouth Rhode Island Weather Almanac  
Thursday, April 25, 2024  
Partly Cloudy early then Clear, Windy and Much Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    April 25, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   60   58   -6   72   in 1982   38   in 1919  
Minimum Temperature   34   42   42   -8   50   in 1913   29   in 1919  
Average Temperature   43   51   50   -7   59   in 1913   34   in 1919  
 Month Avg Max Temperature   54.8   59.4   54.3   +0.5   61.9   in 1976   47.2   in 1907  
Month Avg Min Temperature   40.1   42.9   38.7   +1.4   43.2   in 2010   32.6   in 1943  
Month Average Temperature   47.7   51.4   46.8   +0.9   52.2   in 2010   40.7   in 1907  
High Heat Index                       in              
Low Wind Chill   25   40   36   -11             19   in 1919  
Heating Degree Days   22   14   15   +7   31   in 1919   6   in 1913  
Month Heating DD   432   344   455   -23   608   in 1907   321   in 2010  
Season Heating DD   4661   4411   5136   -475   6180   in 1904   4205   in 2012  
Cooling Degree Days   0   0   0   +0   0   in     0   in Many  
Month Cooling DD   0   5   0   +0   13   in 1976   0   in Many  
Year Cooling DD   0   5   0   +0   13   in 1976   0   in Many  
Maximum Dew Point   34   48   46   -12   58   in 1961   29   in 1956  
Minimum Dew Point   19   35   33   -14   46   in 2011   9   in 2004  
Average  Dew Point   27   42   40   -13   51   in 2011   21   in 1989  
 Month Avg Max Dew Point   43.7   47.4   42.1   +1.6   48.0   in 1987   33.0   in 1965  
Month Avg Min Dew Point   33.3   34.6   28.8   +4.5   36.4   in 2010   18.4   in 1982  
Month Average Dew Point   38.5   41.0   35.4   +3.0   41.5   in 2010   27.0   in 1982  
Precipitation   .00   .00   .14   -.14   1.79   in 1931            
One Hour Rain   .00   .00           .45   in 2018            
Half Hour Rain   .00   .00           .24   in 2018            
Hourly Rain Rate   .00   .00           1.94   in 2017            
Month Precipitation   3.98   1.55   3.57   +.41   11.90   in 1983   .47   in 1963  
Year Precipitation   22.82   15.05   15.16   +7.66   31.17   in 1983   7.48   in 1985  
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0   0   +0   0   in              
Month Snow   0.0   0.0   0.5   -0.5   9.6   in 1996   0.0   in 2024  
Season Snow   12.7   9.1   33.8   -21.1   84.1   in 1996   5.0   in 1998  
    April 25, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   84%   98%   89%   -5%   100%   in 2018   64%   in 1959  
Minimum Humidity   33%   45%   48%   -15%   91%   in 1986   17%   in 1989  
Average Humidity   59%   72%   69%   -10%   96%   in 1986   46%   in 1982  
Maximum Barometer   30.40   30.19   30.03   +00.37   30.56   in 1957   29.41   in 1983  
Minimum Barometer   30.12   30.06   29.78   +00.34   30.25   in 2004   29.01   in 1983  
Average Barometer   30.26   30.13   29.91   +00.35   30.40   in 1957   29.21   in 1983  
Average Wind   10.3   5.6   7.6   +2.7   18.0   in 1986   2.6   in 1981  
Direction   N   SSW   SW       NNE   N  
High Wind Gust   33   20   25   +8   53   in 1928   14   in 1981  
Direction   N   S   NW       NW   N  
Maximum Water Temp   48.4   51.8   49.6   -1.2   55.4   in 2007   43.0   in 2020  
Minimum Water Temp   45.7   49.5   46.6   -0.9   51.3   in 2012   39.6   in 2020  
Average Water Temp   47.1   50.7   48.1   -1.1   52.5   in 2012   41.3   in 2020  
Sunrise/ AM Twilight   5:49:25 AM   5:19:05 AM            
Sunset / PM Twilight   7:37:06 PM   8:06:59 PM            
Length Of Day   13:47:41                          
Special Conditions   None  
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