Portsmouth Rhode Island Weather Almanac  
Saturday, July 1, 2023  
Partly Cloudy, Fog, Very Hazy from Wild Fires, Light Winds, Continued Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    July 1, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   80   81   78   +2   93   in 2018   62   in 1921  
Minimum Temperature   62   66   63   -1   74   in 1901   51   in 1988  
Average Temperature   71   74   71   +0   82   in 1901   59   in 1988  
 Month Avg Max Temperature   80.0   81.0   78.0   +2.0   93.0   in 2018   62.0   in 1921  
Month Avg Min Temperature   62.0   66.0   63.0   -1.0   74.0   in 1901   51.0   in 1988  
Month Average Temperature   71.0   74.0   71.0   +0.0   82.0   in 1901   59.0   in 1988  
High Heat Index   82   84           101   in 2018            
Low Wind Chill                             45   in 1988  
Heating Degree Days   0   0   1   -1   6   in 1988   0   in 2023  
Month Heating DD   0   0   1   -1   6   in 1988   0   in 2023  
Season Heating DD   0   0   1   -1   6   in 1988   0   in 2023  
Cooling Degree Days   6   9   5   +1   17   in 1901   0   in 1988  
Month Cooling DD   6   9   6   +0   17   in 1901   0   in 1988  
Year Cooling DD   82   104   99   -17   187   in 2001   14   in 1972  
Maximum Dew Point   71   72   67   +4   75   in 2018   42   in 1978  
Minimum Dew Point   61   59   58   +3   68   in 2013   37   in 1978  
Average  Dew Point   66   66   63   +3   70   in 2021   40   in 1978  
 Month Avg Max Dew Point   71.0   72.0   67.0   +4.0   75.0   in 2018   42.0   in 1978  
Month Avg Min Dew Point   61.0   59.0   58.0   +3.0   68.0   in 2013   37.0   in 1978  
Month Average Dew Point   66.0   66.0   63.0   +3.0   70.0   in 2021   39.5   in 1978  
Precipitation   .00   .00   .11   -.11   2.06   in 2009            
One Hour Rain   .00   .00           1.34   in 2009            
Hourly Rain Rate   .00   .00           7.38   in 2009            
Month Precipitation   .00   .00   .11   -.11   2.06   in 2009   .00   in 2023  
Year Precipitation   24.48   22.90   22.68   +1.80   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 1, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   97%   91%   +8%   100%   in 2017   51%   in 1978  
Minimum Humidity   61%   70%   57%   +4%   91%   in 2013   26%   in 1986  
Average Humidity   80%   84%   74%   +6%   95%   in 2013   40%   in 1978  
Maximum Barometer   30.08   30.14   30.00   +00.08   30.38   in 1985   29.68   in 1957  
Minimum Barometer   29.98   29.83   29.82   +00.16   30.25   in 1981   29.38   in 1998  
Average Barometer   30.03   29.99   29.91   +00.12   30.31   in 1981   29.57   in 1998  
Average Wind   3.0   8.3   6.0   -3.0   11.4   in 1983   2.1   in 1990  
Direction   S   SSW   SSW       SSW SSE
High Wind Gust   13   27   21   -8   35   in 2009   11   in 1951  
Direction   SSW   SSW   SSW       NNE NNE
Maximum Water Temp   70.7   69.8   68.7   +2.0   72.5   in 2021   64.6   in 2009  
Minimum Water Temp   68.7   67.5   64.9   +3.8   68.7   in 2023   58.1   in 2003  
Average Water Temp   69.7   68.7   66.8   +2.9   70.5   in 2021   62.1   in 2005  
Sunrise/ AM Twilight   5:14:43 AM   4:42:06 AM            
Sunset / PM Twilight   8:22:58 PM   8:56:35 PM            
Length Of Day   15:08:15                          
Special Conditions   Dense Fog, Haze, Smoke                        
Comments   Smoke from Canadian Wild Fires  
Hour-by-Hour Weather For July 1, 2023            
Climate Weather for July 1            
Weather History For July 1            
Weather Calendar            
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