Portsmouth Rhode Island Weather Almanac  
Sunday, July 2, 2023  
Mostly Cloudy early then Cloudy, Rain Shower 3pm, Foggy, Continued Warm and Humid  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    July 2, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   78   79   79   -1   90   in 1955   65   in 1915  
Minimum Temperature   65   68   63   +2   72   in 1901   47   in 1962  
Average Temperature   72   74   71   +1   79   in 2002   61   in 1986  
 Month Avg Max Temperature   79.0   80.0   78.5   +0.5   89.5   in 1963   67.0   in 1921  
Month Avg Min Temperature   63.5   67.0   63.0   +0.5   73.0   in 1901   51.5   in 1988  
Month Average Temperature   71.5   74.0   71.0   +0.5   80.5   in 1901   60.5   in 1988  
High Heat Index   82   84           101   in 1963            
Low Wind Chill                             43   in 1962  
Heating Degree Days   0   0   1   -1   4   in 1986   0   in 2023  
Month Heating DD   0   0   2   -2   9   in 1988   0   in 2023  
Season Heating DD   0   0   2   -2   9   in 1988   0   in 2023  
Cooling Degree Days   7   9   5   +2   14   in 2002   0   in 2021  
Month Cooling DD   13   18   12   +1   31   in 1901   0   in 1988  
Year Cooling DD   89   113   105   -16   187   in 2001   21   in 1972  
Maximum Dew Point   74   74   67   +7   75   in 2002   50   in 1982  
Minimum Dew Point   64   67   59   +5   69   in 2013   37   in 1992  
Average  Dew Point   69   71   63   +6   71   in 2022   45   in 1992  
 Month Avg Max Dew Point   72.5   73.0   67.0   +5.5   73.5   in 2018   47.0   in 1982  
Month Avg Min Dew Point   62.5   63.0   58.5   +4.0   68.5   in 2013   39.5   in 1978  
Month Average Dew Point   67.5   68.0   63.0   +4.5   70.3   in 2013   43.5   in 1982  
Precipitation   .10   .22   .11   -.01   2.08   in 1914            
One Hour Rain   .10   .22           .65   in 1960            
Hourly Rain Rate   3.08   4.54           4.54   in 2022            
Month Precipitation   .10   .22   .22   -.12   2.39   in 2009   .00   in 2019  
Year Precipitation   24.58   23.12   22.79   +1.79   40.39   in 1998   12.92   in 1957  
Snow                                      
Snow Depth                                      
Month Snow                                      
Season Snow   0.0   0.0   0.0   +0.0   0.0   in 1996   0.0   in 1998  
    July 2, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   98%   91%   +8%   100%   in 2017   66%   in 1982  
Minimum Humidity   87%   82%   57%   +30%   94%   in 2009   30%   in 1992  
Average Humidity   93%   90%   74%   +19%   96%   in 1986   50%   in 1982  
Maximum Barometer   30.00   29.94   30.00   +00.00   30.44   in 1981   29.74   in 1979  
Minimum Barometer   29.85   29.88   29.82   +00.03   30.29   in 1981   29.24   in 1932  
Average Barometer   29.93   29.91   29.91   +00.01   30.37   in 1981   29.64   in 1986  
Average Wind   8.5   7.0   6.1   +2.4   14.1   in 1999   2.2   in 1995  
Direction   SSW   SSW   SSW       SW WNW
High Wind Gust   25   25   21   +4   35   in 1999   11   in 2000  
Direction   SE   SSW   SSW       S SSW
Maximum Water Temp   70.0   69.4   68.9   +1.1   73.4   in 2002   63.7   in 2009  
Minimum Water Temp   69.1   68.0   65.0   +4.1   69.1   in 2023   59.2   in 2003  
Average Water Temp   69.6   68.7   67.0   +2.6   70.2   in 2002   62.5   in 2004  
Sunrise/ AM Twilight   5:15:13 AM   4:42:42 AM            
Sunset / PM Twilight   8:22:49 PM   8:56:21 PM            
Length Of Day   15:07:36                          
Special Conditions   Fog, Haze                              
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