Portsmouth Rhode Island Weather Almanac  
Tuesday, July 2, 2024  
Clear, Light Wind, Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    July 2, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   83   78   79   +4   90   in 1955   65   in 1915  
Minimum Temperature   61   65   63   -2   72   in 1901   47   in 1962  
Average Temperature   72   72   71   +1   79   in 2002   61   in 1986  
 Month Avg Max Temperature   80.5   79.0   78.5   +2.0   89.5   in 1963   67.0   in 1921  
Month Avg Min Temperature   62.5   63.5   63.0   -0.5   73.0   in 1901   51.5   in 1988  
Month Average Temperature   71.5   71.5   71.0   +0.5   80.5   in 1901   60.5   in 1988  
High Heat Index   83   82   80   +3   101   in 1963            
Low Wind Chill                             43   in 1962  
Heating Degree Days   0   0   1   -1   4   in 1986   0   in 2024  
Month Heating DD   0   0   2   -2   9   in 1988   0   in 2024  
Season Heating DD   0   0   2   -2   9   in 1988   0   in 2024    
Cooling Degree Days   7   7   6   +1   14   in 2002   0   in 2021    
Month Cooling DD   13   13   12   +1   31   in 1901   0   in 1988    
Year Cooling DD   151   89   105   +46   187   in 2001   21   in 1972    
Maximum Dew Point   63   74   67   -4   75   in 2002   50   in 1982    
Minimum Dew Point   53   64   59   -6   69   in 2013   37   in 1992    
Average  Dew Point   58   69   63   -5   71   in 2022   45   in 1992  
 Month Avg Max Dew Point   66.0   72.5   67.0   -1.0   73.5   in 2018   47.0   in 1982  
Month Avg Min Dew Point   57.0   62.5   58.5   -1.5   68.5   in 2013   39.5   in 1978  
Month Average Dew Point   61.5   67.5   63.0   -1.5   70.3   in 2013   43.5   in 1982  
Precipitation   .00   .10   .11   -.11   2.08   in 1914            
One Hour Rain   .00   .10           .65   in 1960            
Half Hour Rain   .00   .09           .29   in 2009            
Hourly Rain Rate   .00   3.08           4.54   in 2022            
Month Precipitation   .01   .10   .22   -.21   2.39   in 2009   .00   in 2019  
Year Precipitation   33.96   24.58   22.92   +11.04   40.39   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 2, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   95%   99%   91%   +4%   100%   in 2017   66%   in 1982  
Minimum Humidity   36%   87%   57%   -21%   94%   in 2009   30%   in 1992  
Average Humidity   66%   93%   74%   -9%   96%   in 1986   50%   in 1982  
Maximum Barometer   30.25   30.00   30.00   +00.25   30.44   in 1981   29.74   in 1979  
Minimum Barometer   30.12   29.85   29.83   +00.29   30.29   in 1981   29.24   in 1932  
Average Barometer   30.19   29.93   29.91   +00.27   30.37   in 1981   29.64   in 1986  
Average Wind   5.1   8.5   6.1   -1.0   14.1   in 1999   2.2   in 1995  
Direction   NNE   SSW   SSW       SW         WNW        
High Wind Gust   16   25   21   -5   35   in 1999   11   in 2000  
Direction   NNE   SE   SSW       S         SSW        
Maximum Water Temp   68.4   70.0   68.9   -0.5   73.4   in 2002   63.7   in 2009  
Minimum Water Temp   65.1   69.1   65.0   +0.1   69.1   in 2023   59.2   in 2003  
Average Water Temp   66.8   69.6   67.0   -0.2   70.2   in 2002   62.5   in 2004  
Sunrise/ AM Twilight   5:15:38 AM   4:42:42 AM            
Sunset / PM Twilight   8:22:41 PM   8:56:21 PM            
Length Of Day   15:07:36                          
Special Conditions                                      
Comments                                      
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