Portsmouth Rhode Island Weather Almanac  
Saturday, July 6, 2024  
Cloudy, Light Rain, Foggy, Windy and Very Muggy  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    July 6, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   75   84   79   -4   98   in 2010   61   in 1956  
Minimum Temperature   71   69   64   +7   74   in 1999   50   in 1979  
Average Temperature   73   77   72   +1   85   in 2010   58   in 1956  
 Month Avg Max Temperature   78.0   82.0   78.8   -0.8   89.0   in 1955   68.8   in 1914  
Month Avg Min Temperature   64.7   66.8   63.5   +1.2   70.3   in 2013   53.7   in 1962  
Month Average Temperature   71.5   74.7   71.5   +0.0   77.8   in 1955   62.0   in 1914  
High Heat Index   79   92   80   -1   111   in 2010            
Low Wind Chill                             45   in 1979  
Heating Degree Days   0   0   0   +0   7   in 1956   0   in 2024  
Month Heating DD   0   0   3   -3   19   in 1914   0   in 2024  
Season Heating DD   0   0   3   -3   19   in 1914   0   in 2024    
Cooling Degree Days   8   12   7   +1   20   in 2010   0   in 2001    
Month Cooling DD   39   58   39   +0   77   in 1955   1   in 1914    
Year Cooling DD   177   134   132   +45   215   in 1957   31   in 1972    
Maximum Dew Point   74   76   68   +6   77   in 1994   45   in 1979    
Minimum Dew Point   71   68   59   +12   71   in 2024   38   in 1965    
Average  Dew Point   73   72   64   +9   73   in 2024   44   in 1979  
 Month Avg Max Dew Point   68.5   75.0   67.5   +1.0   75.0   in 2023   51.3   in 1982  
Month Avg Min Dew Point   61.7   66.0   58.8   +2.8   68.2   in 2013   43.7   in 1982  
Month Average Dew Point   65.1   70.5   63.2   +1.9   70.9   in 2013   47.5   in 1982  
Precipitation   .10   .00   .11   -.01   1.70   in 1955            
One Hour Rain   .04   .00           .59   in 1955            
Half Hour Rain   .03   .00           .16   in 2006            
Hourly Rain Rate   .17   .00           1.17   in 2018            
Month Precipitation   .17   1.60   .66   -.49   3.03   in 2014   .00   in 2019  
Year Precipitation   34.12   26.08   23.36   +10.76   40.73   in 1998   12.92   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.0   in 1900            
Snow Depth   0   0   0   +0   0   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in Many  
Season Snow                                      
    July 6, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   99%   93%   +6%   100%   in 2004   60%   in 1977  
Minimum Humidity   93%   68%   57%   +36%   93%   in 2024   26%   in 1965  
Average Humidity   96%   84%   75%   +21%   96%   in 2024   46%   in 1977  
Maximum Barometer   29.93   29.98   30.02   -00.09   30.45   in 1906   29.75   in 1954  
Minimum Barometer   29.84   29.90   29.84   +00.00   30.11   in 1995   29.47   in 1951  
Average Barometer   29.89   29.94   29.93   -00.05   30.18   in 1995   29.64   in 1951  
Average Wind   11.0   6.1   5.5   +5.5   15.8   in 1984   1.3   in 1989  
Direction   SSW   SSW   SSW       SSW         SW        
High Wind Gust   26   19   20   +6   39   in 1980   11   in 2006  
Direction   S   SSW   SSW       NNW         W        
Maximum Water Temp   68.7   72.9   70.4   -1.7   76.3   in 2013   64.8   in 2020  
Minimum Water Temp   67.3   70.2   65.9   +1.4   70.8   in 2013   60.8   in 2005  
Average Water Temp   68.0   71.6   68.2   -0.2   73.6   in 2013   63.0   in 2020  
Sunrise/ AM Twilight   5:18:01 AM   4:45:23 AM            
Sunset / PM Twilight   8:21:37 PM   8:55:02 PM            
Length Of Day   15:04:19                          
Special Conditions   None                                  
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