Portsmouth Rhode Island Weather Almanac  
Sunday, July 17, 2022  
Cloudy and Foggy early, Partly Cloudy Day to Mostly Cloudy PM, Light Winds and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    July 17, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   82   87   80   +2   90   in 1953   67   in 1989  
Minimum Temperature   67   72   65   +2   72   in 2021   49   in 1954  
Average Temperature   75   80   73   +2   80   in 2021   63   in 1989  
 Month Avg Max Temperature   80.2   78.1   79.5   +0.7   84.8   in 1993   73.9   in 1906  
Month Avg Min Temperature   63.9   64.8   64.2   -0.3   70.7   in 2013   57.5   in 1962  
Month Average Temperature   72.4   71.8   72.2   +0.1   76.8   in 2013   66.9   in 1933  
High Heat Index   85   100   83   +2   100   in 2021            
Low Wind Chill                             49   in 1954  
Heating Degree Days   0   0   0   +0   2   in 1989   0   in 2022  
Month HDD   0   9   3   -3   23   in 1914   0   in 2022  
Season HDD   0   9   3   -3   23   in 1914   0   in 2022  
Cooling Degree Days   10   15   8   +2   15   in 2021       in    
Month CDD   125   124   123   +2   200   in 2013   44   in 2009  
Year CDD   220   286   216   +4   324   in 2010   78   in 2009  
Maximum Dew Point   72   79   69   +3   79   in 2021   53   in 1966  
Minimum Dew Point   65   71   61   +4   71   in 2021   44   in 1993  
Average  Dew Point   69   75   65   +4   75   in 2021   49   in 1993  
 Month Avg Max Dew Point   68.3   71.0   68.2   +0.1   73.9   in 2013   59.8   in 1978  
Month Avg Min Dew Point   58.8   62.4   59.6   -0.9   68.2   in 2013   50.3   in 1962  
Month Average Dew Point   63.5   66.7   63.9   -0.4   71.1   in 2013   55.4   in 1962  
Precipitation   .00   .00   .09   -.09   2.67   in 1989            
One Hour   .00   .00           .69   in 1989            
Hourly Rate   .00   .00           2.07   in 2009            
Month Precipitation   .44   3.46   1.73   -1.29   5.03   in 1959   T   in 1982  
Year Precipitation   23.34   22.52   24.30   -.96   40.76   in 1998   13.52   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 17, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   99%   99%   92%   +7%   100%   in 2017   64%   in 1952  
Minimum Humidity   60%   75%   57%   +3%   91%   in 2005   29%   in 1957  
Average Humidity   80%   87%   74%   +5%   96%   in 2005   51%   in 1952  
Maximum Barometer   30.05   30.08   30.04   +00.01   30.39   in 1945   29.77   in 1983  
Minimum Barometer   30.01   30.02   29.87   +00.14   30.09   in 2005   29.53   in 1980  
Average Barometer   30.03   30.05   29.96   +00.07   30.17   in 1990   29.68   in 1983  
Average Wind   4.5   3.2   5.3   -0.8   12.1   in 1971   2.2   in 2006  
Direction   SW   SSE   SSW       SW         SSE        
High Wind Gust   23   16   20   +3   36   in 1989   12   in 2017  
Direction   SSW   S   SSW       NE         SSE        
Maximum Water Temp   72.7   74.6   71.3   +1.4   78.4   in 2013   66.7   in 2020  
Minimum Water Temp   69.6   71.9   67.3   +2.3   71.9   in 2021   62.1   in 2001  
Average Water Temp   71.2   73.3   69.3   +1.9   74.0   in 2013   65.7   in 2020  
Sunrise/ AM Twilight   5:25:50 AM   4:54:40 AM            
Sunset / PM Twilight   8:16:12 PM   8:48:22 PM            
Length Of Day   14:50:22                          
Special Conditions   Fog                                  
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Hour-by-Hour Weather For July 17, 2022            
Climate Weather for July 17            
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