Portsmouth Rhode Island Weather Almanac  
Monday, June 27, 2022  
Partly Cloudy early, then Heavy Rain & Fog evening, Much Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    June 27, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   70   78   77   -7   93   in 1963   60   in 1938  
Minimum Temperature   65   68   62   +3   68   in 2021   49   in 1893  
Average Temperature   68   73   70   -2   77   in 1953   58   in 1985  
 Month Avg Max Temperature   74.5   76.4   73.3   +1.1   78.7   in 1943   66.1   in 1903  
Month Avg Min Temperature   57.7   59.2   57.4   +0.4   60.7   in 2001   52.4   in 1907  
Month Average Temperature   66.3   68.1   65.4   +0.9   68.9   in 1949   60.2   in 1903  
High Heat Index   72   81   78   -6   97   in 1964            
Low Wind Chill                                      
Heating Degree Days   0   0   1   -1   7   in 1985   0   in 2022  
Month HDD   24   19   50   -26   159   in 1907   5   in 1899  
Season HDD   5009   5064   5478   -469   6619   in 1905   4549   in 2012  
Cooling Degree Days   3   8   5   -2   12   in 1953       in    
Month CDD   60   102   65   -5   138   in 1949   5   in 1972  
Year CDD   83   119   77   +6   151   in 1957   5   in 1972  
Maximum Dew Point   66   72   67   -1   74   in 2010   47   in 1965  
Minimum Dew Point   62   66   57   +5   68   in 2006   40   in 1995  
Average  Dew Point   64   69   62   +2   70   in 2006   45   in 1965  
 Month Avg Max Dew Point   62.8   65.6   62.5   +0.3   65.6   in 2010   53.9   in 1965  
Month Avg Min Dew Point   53.5   55.1   52.7   +0.8   56.9   in 2010   44.4   in 1958  
Month Average Dew Point   58.1   60.3   57.5   +0.6   61.3   in 2010   49.4   in 1965  
Precipitation   .99   .00   .11   +.88   2.24   in 1938            
One Hour   .38   .00           .38   in 2022            
Hourly Rate   4.54   .00           4.54   in 2022            
Month Precipitation   3.70   2.05   3.20   +.50   8.93   in 1982   .05   in 1949  
Year Precipitation   22.90   19.05   22.24   +.66   38.39   in 1998   12.67   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   34.7   27.7   33.5   +1.2   84.1   in 1996   5.0   in 1998  
    June 27, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   98%   98%   93%   +5%   100%   in 2013   69%   in 1963  
Minimum Humidity   87%   82%   59%   +28%   98%   in 1987   29%   in 2014  
Average Humidity   93%   90%   76%   +16%   99%   in 1987   52%   in 1963  
Maximum Barometer   30.04   30.21   30.03   +00.01   30.50   in 1965   29.53   in 1954  
Minimum Barometer   29.93   30.15   29.83   +00.10   30.34   in 1965   29.29   in 1970  
Average Barometer   29.99   30.18   29.93   +00.06   30.42   in 1965   29.48   in 1954  
Average Wind   7.5   10.3   6.0   +1.5   14.6   in 1985   1.7   in 1967  
Direction   SW   SW   SSW       N         ENE        
High Wind Gust   27   27   21   +6   38   in 1985   9   in 1974  
Direction   SW   SSW   SSW       NNE         S        
Maximum Water Temp   69.1   68.2   67.8   +1.3   76.3   in 2007   62.8   in 2020  
Minimum Water Temp   66.6   65.8   63.9   +2.7   70.6   in 2007   58.2   in 2005  
Average Water Temp   67.9   67.0   65.9   +2.0   73.5   in 2007   60.9   in 2020  
Sunrise/ AM Twilight   5:13:01 AM   4:40:00 AM            
Sunset / PM Twilight   8:23:14 PM   8:57:07 PM            
Length Of Day   15:10:13                          
Special Conditions   Fog                                  
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