Portsmouth Rhode Island Weather Almanac  
Sunday, July 7, 2024  
Cloudy early, Partly Cloudy Day to Mostly Cloudy PM, Foggy, Light Winds, Hot & Very Muggy  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    July 7, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   86   80   79   +7   92   in 1981   65   in 2005  
Minimum Temperature   71   69   64   +7   73   in 2013   49   in 1965  
Average Temperature   79   75   72   +7   81   in 2013   61   in 1914  
 Month Avg Max Temperature   79.1   81.7   78.9   +0.3   87.9   in 1955   68.3   in 1914  
Month Avg Min Temperature   65.6   67.1   63.6   +2.0   70.7   in 2013   53.9   in 1962  
Month Average Temperature   72.6   74.7   71.6   +1.0   77.7   in 1999   61.9   in 1914  
High Heat Index   98   84   81   +17   100   in 2021            
Low Wind Chill                             49   in 1965  
Heating Degree Days   0   0   0   +0   4   in 1914   0   in 2024  
Month Heating DD   0   0   3   -3   23   in 1914   0   in 2024  
Season Heating DD   0   0   3   -3   23   in 1914   0   in 2024    
Cooling Degree Days   14   10   7   +7   16   in 2013   0   in 2009    
Month Cooling DD   53   68   46   +7   89   in 1999   1   in 1914    
Year Cooling DD   191   144   139   +52   219   in 1957   31   in 1972    
Maximum Dew Point   78   74   68   +10   78   in 2024   50   in 1979    
Minimum Dew Point   71   68   59   +12   71   in 2024   42   in 1980    
Average  Dew Point   75   71   64   +11   75   in 2024   47   in 1979  
 Month Avg Max Dew Point   69.9   74.9   67.6   +2.3   74.9   in 2023   52.9   in 1982  
Month Avg Min Dew Point   63.0   66.3   58.9   +4.1   68.3   in 2013   45.1   in 1982  
Month Average Dew Point   66.4   70.6   63.3   +3.1   71.1   in 2013   49.0   in 1982  
Precipitation   .00   .00   .10   -.10   1.45   in 1984            
One Hour Rain   .00   .00           .49   in 1984            
Half Hour Rain   .00   .00           .22   in 2017            
Hourly Rain Rate   .00   .00           2.25   in 2017            
Month Precipitation   .17   1.60   .76   -.59   3.40   in 2009   .00   in 2019  
Year Precipitation   34.12   26.08   23.46   +10.66   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 7, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   99%   91%   +8%   100%   in 2017   65%   in 1980  
Minimum Humidity   80%   80%   56%   +24%   95%   in 1991   30%   in 1971  
Average Humidity   90%   90%   74%   +16%   98%   in 1991   49%   in 1980  
Maximum Barometer   30.02   29.92   30.03   -00.01   30.33   in 2018   29.70   in 1954  
Minimum Barometer   29.93   29.84   29.87   +00.06   30.18   in 1967   29.44   in 1966  
Average Barometer   29.98   29.88   29.95   +00.02   30.26   in 1967   29.59   in 1966  
Average Wind   4.0   5.5   5.6   -1.6   13.3   in 1984   1.9   in 1991  
Direction   S   SSW   SSW       SSW         SSE        
High Wind Gust   16   16   20   -4   40   in 1984   10   in 2003  
Direction   SSW   SW   SW       SSW         ESE        
Maximum Water Temp   69.1   72.7   70.3   -1.2   77.8   in 2013   64.8   in 2020  
Minimum Water Temp   66.7   69.8   65.7   +1.0   70.8   in 2010   60.7   in 2006  
Average Water Temp   67.9   71.3   68.0   -0.1   72.8   in 2010   62.9   in 2005  
Sunrise/ AM Twilight   5:18:40 AM   4:46:07 AM            
Sunset / PM Twilight   8:21:15 PM   8:54:37 PM            
Length Of Day   15:03:21                          
Special Conditions   Dense Fog                              
Comments   Record High Dew Points                          
Hour-by-Hour Weather For July 7, 2024
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