Portsmouth Rhode Island Weather Almanac  
Tuesday, July 12, 2022  
0   PASTE VALUES
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    July 12, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   77   77   80   -3   90   in 2011   65   in 1990  
Minimum Temperature   66   66   65   +1   72   in 1911   53   in 2002  
Average Temperature   72   72   73   -1   81   in 1911   62   in 1990  
 Month Avg Max Temperature   79.1   76.0   79.3   -0.3   85.8   in 1955   71.7   in 1914  
Month Avg Min Temperature   63.0   62.8   63.9   -0.9   70.3   in 2013   56.4   in 1962  
Month Average Temperature   71.3   69.8   71.9   -0.6   76.2   in 1981   64.8   in 1914  
High Heat Index   79   80   80   -1   98   in 2011            
Low Wind Chill                             0   in    
Heating Degree Days   0   0   0   +0   3   in 1990   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   7   7   8   -1   16   in 1911       in    
Month CDD   76   66   83   -7   134   in 1981   18   in 1909  
Year CDD   171   228   176   -5   270   in 2010   49   in 1972  
Maximum Dew Point   70   71   69   +1   76   in 2017   52   in 1978  
Minimum Dew Point   62   62   60   +2   70   in 1950   43   in 1985  
Average  Dew Point   66   67   64   +2   73   in 2010   49   in 1978  
 Month Avg Max Dew Point   67.5   69.3   67.9   -0.4   73.6   in 2013   58.4   in 1978  
Month Avg Min Dew Point   57.4   60.4   59.3   -1.9   68.1   in 2013   48.5   in 1962  
Month Average Dew Point   62.5   64.9   63.6   -1.1   70.8   in 2013   53.9   in 1978  
Precipitation   .00   .02   .10   -.10   2.45   in 2019            
One Hour   .00   .01           1.12   in 1993            
Hourly Rate   .00   .00           6.47   in 2019            
Month Precipitation   .30   3.46   1.26   -.96   4.84   in 2009   .00   in 1908  
Year Precipitation   23.20   22.52   23.83   -.63   40.76   in 1998   13.04   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 12, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   94%   98%   92%   +2%   100%   in 2003   72%   in 1971  
Minimum Humidity   77%   73%   56%   +21%   92%   in 1987   26%   in 1971  
Average Humidity   86%   86%   74%   +11%   96%   in 1987   49%   in 1971  
Maximum Barometer   29.87   30.25   30.03   -00.16   30.43   in 1898   29.50   in 1976  
Minimum Barometer   29.71   30.07   29.84   -00.13   30.23   in 1999   29.11   in 1976  
Average Barometer   29.79   30.16   29.94   -00.15   30.29   in 1996   29.31   in 1976  
Average Wind   10.8   5.4   5.5   +5.3   10.8   in 2022   1.8   in 1995  
Direction   SSW   SSE   SW       SSW         S        
High Wind Gust   36   19   21   +15   37   in 1970   10   in 1975  
Direction   S   NE   S       N         NE        
Maximum Water Temp   70.3   70.4   70.4   -0.1   74.9   in 2010   66.7   in 2006  
Minimum Water Temp   69.1   69.3   66.4   +2.7   71.2   in 2010   62.2   in 2006  
Average Water Temp   69.7   69.9   68.4   +1.3   73.0   in 2010   64.5   in 2006  
Sunrise/ AM Twilight   5:21:51 AM   4:50:09 AM            
Sunset / PM Twilight   8:19:15 PM   8:51:57 PM            
Length Of Day   14:57:24                          
Special Conditions   None                              
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