Portsmouth Rhode Island Weather Almanac  
Saturday, June 1, 2024  
Clear and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    June 1, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   77   76   70   +7   87   in 1987   53   in 2015  
Minimum Temperature   54   52   53   +1   68   in 1895   40   in 1945  
Average Temperature   66   64   62   +4   76   in 1987   51   in 2015  
 Month Avg Max Temperature   77.0   76.0   70.0   +7.0   87.0   in 1987   53.0   in 2015  
Month Avg Min Temperature   54.0   52.0   53.0   +1.0   68.0   in 1895   40.0   in 1945  
Month Average Temperature   66.0   64.0   62.0   +4.0   76.0   in 1987   51.0   in 2015  
High Heat Index   77   77   71   +6   88   in 1962            
Low Wind Chill                             39   in 1945  
Heating Degree Days   0   1   4   -4   14   in 2015   0   in 2024  
Month Heating DD   0   1   4   -4   14   in 2015   0   in 2024  
Season Heating DD   4947   4723   5463   -516   6536   in 1905   4371   in 1932  
Cooling Degree Days   1   0   1   +0   11   in 1987   0   in 2023  
Month Cooling DD   1   0   1   +0   11   in 1987   0   in 2023  
Year Cooling DD   11   0   12   -1   50   in 1991   0   in 2005  
Maximum Dew Point   56   63   59   -3   68   in 2013   39   in 1967  
Minimum Dew Point   44   51   48   -4   60   in 1975   30   in 2009  
Average  Dew Point   50   57   53   -3   63   in 2011   38   in 2020  
 Month Avg Max Dew Point   56.0   63.0   59.0   -3.0   68.0   in 2013   39.0   in 1967  
Month Avg Min Dew Point   44.0   51.0   48.0   -4.0   60.0   in 1975   30.0   in 2009  
Month Average Dew Point   50.0   57.0   53.0   -3.0   63.0   in 2013   38.0   in 2020  
Precipitation   .00   .00   .11   -.11   1.43   in 1992            
One Hour Rain   .00   .00           .47   in 1985            
Half Hour Rain   .00   .00           .40   in 2007            
Hourly Rain Rate   .00   .00           4.47   in 2007            
Month Precipitation   .00   .00   .11   -.11   1.43   in 1992   .00   in 2024  
Year Precipitation   29.16   20.67   19.28   +9.88   35.84   in 1983   11.62   in 1905  
Snow   0.0   0.0   ######   ######   0.0   in 1900            
Snow Depth   0   0   38869   -38869   43983   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in Many  
Season Snow   12.7   9.1   33.8   -21.1   84.1   in 1996   5.0   in 1998  
    June 1, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   79%   99%   92%   -13%   100%   in 2018   67%   in 1954  
Minimum Humidity   31%   61%   57%   -26%   92%   in 1992   26%   in 1990  
Average Humidity   55%   80%   75%   -20%   96%   in 1950   49%   in 1990  
Maximum Barometer   30.14   30.15   30.00   +00.14   30.52   in 1902   29.60   in 2003  
Minimum Barometer   30.06   30.01   29.80   +00.26   30.33   in 1996   29.28   in 2003  
Average Barometer   30.10   30.08   29.90   +00.20   30.36   in 1996   29.44   in 2003  
Average Wind   5.9   4.4   6.1   -0.2   15.2   in 1984   2.8   in 2018  
Direction   SSW   SSW   SSW       N         SSE        
High Wind Gust   16   16   22   -6   37   in 1988   10   in 2018  
Direction   SSW   SSW   SSW       NE         SSE        
Maximum Water Temp   64.6   64.0   60.6   +4.0   67.3   in 2007   53.6   in 2020  
Minimum Water Temp   57.2   60.4   57.1   +0.1   63.1   in 2007   51.3   in 2020  
Average Water Temp   60.9   62.2   58.9   +2.0   65.2   in 2007   52.5   in 2020  
Sunrise/ AM Twilight   5:13:33 AM   4:40:00 AM            
Sunset / PM Twilight   8:12:38 PM   8:46:32 PM            
Length Of Day   14:59:05                          
Special Conditions   None                                  
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