Portsmouth Rhode Island Weather Almanac  
Monday, July 4, 2022  
Clear to Partly Cloudy PM, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    July 4, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   80   68   79   +1   95   in 1949   64   in 1978  
Minimum Temperature   62   55   64   -2   72   in 2018   52   in 1914  
Average Temperature   71   62   72   -1   83   in 1919   60   in 1978  
 Month Avg Max Temperature   80.5   71.0   78.8   +1.8   88.5   in 1955   68.3   in 1914  
Month Avg Min Temperature   65.3   59.8   63.3   +2.0   70.8   in 1901   53.0   in 1962  
Month Average Temperature   73.3   65.8   71.3   +2.0   79.0   in 2002   61.3   in 1914  
High Heat Index   80   68   80   +0   102   in 1949            
Low Wind Chill                             #N/A   in #N/A  
Heating Degree Days   0   3   0   +0   5   in 1978   0   in 2022  
Month HDD   0   9   3   -3   15   in 1914   0   in 2022  
Season HDD   0   9   3   -3   15   in 1914   0   in 2022  
Cooling Degree Days   6   0   7   -1   18   in 1919       in    
Month CDD   33   12   25   +8   56   in 2002   0   in 1914  
Year CDD   128   174   118   +10   196   in 1957   31   in 1972  
Maximum Dew Point   60   61   68   -8   76   in 2018   52   in 1963  
Minimum Dew Point   53   54   59   -6   70   in 2002   40   in 1982  
Average  Dew Point   57   58   63   -6   73   in 2018   47   in 1982  
 Month Avg Max Dew Point   68.5   65.5   67.3   +1.3   74.8   in 2018   50.3   in 1982  
Month Avg Min Dew Point   58.0   58.0   58.8   -0.8   68.5   in 2013   42.3   in 1982  
Month Average Dew Point   63.3   61.8   63.0   +0.3   70.6   in 2013   46.3   in 1982  
Precipitation   .00   .03   .11   -.11   3.01   in 2014            
One Hour   .00   .02           .58   in 2014            
Hourly Rate   .00   .04           2.95   in 2014            
Month Precipitation   .22   2.02   .44   -.22   3.01   in 2014   .00   in 2019  
Year Precipitation   23.12   21.08   23.01   +.11   40.39   in 1998   12.92   in 1957  
Snow   0.0   0.0   0.0   +0.0       in         in    
Snow Depth   0   0               in         in    
Month Snow   0.0   0.0   0.0   +0.0       in         in    
Season Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in #N/A  
    July 4, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   75%   97%   93%   -18%   100%   in 2003   56%   in 1953  
Minimum Humidity   41%   74%   56%   -15%   88%   in 1973   30%   in 1956  
Average Humidity   58%   86%   74%   -16%   94%   in 1973   45%   in 1953  
Maximum Barometer   30.13   30.02   30.01   +00.12   30.34   in 1988   29.63   in 1996  
Minimum Barometer   30.03   29.81   29.81   +00.22   30.22   in 2018   29.47   in 1990  
Average Barometer   30.08   29.92   29.91   +00.17   30.27   in 2018   29.56   in 1996  
Average Wind   5.7   3.5   5.6   +0.1   13.1   in 1978   1.8   in 1995  
Direction   SSW   NNW   SW       SSE         SSW        
High Wind Gust   23   13   20   +3   36   in 2014   11   in 2015  
Direction   SSW   WNW   SW       N         ESE        
Maximum Water Temp   69.6   69.2   69.8   -0.2   76.6   in 2002   63.5   in 2020  
Minimum Water Temp   66.7   67.0   65.3   +1.4   70.2   in 1998   60.3   in 2003  
Average Water Temp   68.2   68.1   67.5   +0.6   71.8   in 2002   62.0   in 2020  
Sunrise/ AM Twilight   5:16:28 AM   4:44:00 AM            
Sunset / PM Twilight   8:22:21 PM   8:55:46 PM            
Length Of Day   15:05:53                          
Special Conditions   None                              
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