Portsmouth Rhode Island Weather Almanac  
Thursday, June 6, 2024  
Cloudy, Heavy Late Morning Rain, Foggy, Light Winds, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    June 6, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   67   74   71   -4   93   in 1899   52   in 1926  
Minimum Temperature   64   53   55   +9   71   in 1925   41   in 1964  
Average Temperature   66   64   63   +3   81   in 1925   50   in 1926  
 Month Avg Max Temperature   75.3   68.7   70.3   +5.0   84.7   in 1925   56.8   in 1907  
Month Avg Min Temperature   56.7   50.8   53.8   +2.8   62.5   in 1925   45.0   in 1945  
Month Average Temperature   66.5   60.2   62.3   +4.2   73.7   in 1925   51.5   in 1907  
High Heat Index   68   73   71   -3   97   in 1899            
Low Wind Chill                             38   in 1964  
Heating Degree Days   0   1   3   -3   15   in 1926   0   in 2024  
Month Heating DD   1   33   20   -19   81   in 1907   0   in 1925  
Season Heating DD   4948   4755   5481   -533   6558   in 1905   4374   in 1932    
Cooling Degree Days   1   0   1   +0   16   in 1925   0   in 2023    
Month Cooling DD   10   4   6   +4   52   in 1925   0   in 2022    
Year Cooling DD   20   4   17   +3   55   in 1991   0   in 2003    
Maximum Dew Point   66   56   60   +6   70   in 2019   47   in 1991    
Minimum Dew Point   63   47   50   +13   63   in 2024   27   in 1987    
Average  Dew Point   65   52   55   +10   65   in 2024   42   in 1987  
 Month Avg Max Dew Point   62.8   57.2   59.3   +3.5   67.8   in 2010   49.3   in 1976  
Month Avg Min Dew Point   52.8   47.8   49.2   +3.7   58.3   in 2010   39.0   in 1964  
Month Average Dew Point   57.8   52.5   54.2   +3.7   63.1   in 2010   45.0   in 1964  
Precipitation   .54   .11   .12   +.42   1.64   in 1975            
One Hour Rain   .19   .08           .47   in 1975            
Half Hour Rain   .11   .05           .18   in 2020            
Hourly Rain Rate   .52   .23           1.66   in 2019            
Month Precipitation   .54   .14   .69   -.15   6.78   in 1982   .00   in 2005  
Year Precipitation   29.70   20.81   19.86   +9.84   36.73   in 1983   12.34   in 1905  
Snow   0.0   0.0   ######   ######   0.0   in 1900            
Snow Depth   0   0   38874   -38874   43988   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 6, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   97%   92%   +7%   100%   in 2019   59%   in 1988  
Minimum Humidity   95%   48%   57%   +38%   96%   in 1982   27%   in 1987  
Average Humidity   97%   73%   75%   +22%   98%   in 1982   47%   in 1988  
Maximum Barometer   29.81   29.74   29.98   -00.17   30.41   in 1908   29.61   in 2010  
Minimum Barometer   29.52   29.49   29.78   -00.26   30.18   in 1997   29.34   in 1975  
Average Barometer   29.67   29.62   29.88   -00.22   30.23   in 1999   29.48   in 2010  
Average Wind   4.5   6.1   6.5   -2.0   16.2   in 2000   2.4   in 1989  
Direction   S   WNW   S       NNE         SSE        
High Wind Gust   12   29   23   -11   43   in 1988   12   in 2024  
Direction   S   WNW   SW       N         S        
Maximum Water Temp   62.6   60.4   61.1   +1.5   67.3   in 2010   54.9   in 2020  
Minimum Water Temp   59.4   59.2   57.9   +1.5   65.1   in 2010   52.3   in 2020  
Average Water Temp   61.0   59.8   59.5   +1.5   66.2   in 2010   53.6   in 2020  
Sunrise/ AM Twilight   5:11:40 AM   4:38:03 AM            
Sunset / PM Twilight   8:16:07 PM   8:50:15 PM            
Length Of Day   15:04:27                          
Special Conditions   Dense Fog                              
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