Portsmouth Rhode Island Weather Almanac  
Wednesday, April 3, 2024  
Cloudy, Heavy Rain and Fog, Very Windy and Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    April 3, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   41   48   51   -10   73   in 1967   35   in 1896  
Minimum Temperature   37   27   36   +1   47   in 1903   21   in 1954  
Average Temperature   39   38   44   -5   58   in 1967   30   in 1896  
 Month Avg Max Temperature   48.0   50.7   50.7   -2.7   65.3   in 1945   36.7   in 1911  
Month Avg Min Temperature   37.7   36.3   35.7   +2.0   42.7   in 1945   23.3   in 1919  
Month Average Temperature   43.0   43.7   43.7   -0.7   54.3   in 1945   31.3   in 1911  
High Heat Index                   0   in 1900            
Low Wind Chill   27   27   28   -1             7   in 1954  
Heating Degree Days   26   27   21   +5   35   in 1896   7   in 1967  
Month Heating DD   66   64   64   +2   96   in 1919   32   in 1945  
Season Heating DD   4295   4131   4745   -450   5733   in 1905   3916   in 2016  
Cooling Degree Days   0   0   0   +0       in     0   in Many  
Month Cooling DD   0   0   0   +0   3   in 2022   0   in Many  
Year Cooling DD   726   784   609   +117   871   in 2020   290   in 1902  
Maximum Dew Point   39   42   39   +0   55   in 1963   11   in 1965  
Minimum Dew Point   34   7   25   +9   45   in 2000   -2   in 1954  
Average  Dew Point   37   25   32   +5   49   in 2009   7   in 1965  
 Month Avg Max Dew Point   42.3   47.0   38.7   +3.7   49.7   in 2010   15.7   in 1965  
Month Avg Min Dew Point   32.7   20.0   25.0   +7.7   39.7   in 2010   4.3   in 1965  
Month Average Dew Point   37.5   33.5   32.0   +5.5   44.7   in 2010   10.0   in 1965  
Precipitation   1.22   .00   .15   +1.07   2.01   in 1990            
One Hour Rain   .27   .00           .44   in 1975            
Half Hour Rain   .19   .00           .27   in 2009            
Hourly Rain Rate   1.12   .00           3.62   in 2009            
Month Precipitation   1.49   .59   .45   +1.04   2.93   in 1970   .00   in 2014  
Year Precipitation   20.33   14.09   12.04   +8.29   21.34   in 1998   6.44   in 2012  
Snow   0.0   0.0   0.1   -0.1   4.9   in 1915            
Snow Depth   0   0   0   +0   4   in 1970            
Month Snow   0.0   0.0   0.3   -0.3   5.5   in 1997   0.0   in 2024  
Season Snow   12.7   9.1   33.6   -20.9   78.0   in 2005   5.0   in 1998  
    April 3, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   96%   87%   85%   +11%   100%   in 2015   44%   in 1965  
Minimum Humidity   77%   31%   49%   +28%   93%   in 2009   19%   in 2012  
Average Humidity   87%   59%   67%   +19%   97%   in 2009   33%   in 1965  
Maximum Barometer   29.97   30.23   30.04   -00.07   30.60   in 1991   29.42   in 1961  
Minimum Barometer   29.53   30.03   29.73   -00.20   30.36   in 2008   28.89   in 1975  
Average Barometer   29.75   30.13   29.89   -00.14   30.45   in 2008   29.19   in 1975  
Average Wind   13.0   8.2   9.0   +4.0   23.3   in 1970   3.3   in 1956  
Direction   E   SSW   NW       WNW   NE  
High Wind Gust   45   32   28   +17   56   in 1970   13   in 1956  
Direction   E   SSW   NW       WNW   NE  
Maximum Water Temp   45.0   45.3   43.5   +1.5   50.5   in 2010   39.2   in 2020  
Minimum Water Temp   42.6   43.0   41.3   +1.3   46.6   in 2010   37.5   in 2003  
Average Water Temp   43.8   44.2   42.4   +1.4   48.6   in 2010   39.0   in 2020  
Sunrise/ AM Twilight   6:23:48 AM   5:54:51 AM            
Sunset / PM Twilight   7:13:10 PM   7:41:33 PM            
Length Of Day   12:49:22                          
Special Conditions   Fog                                  
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