Portsmouth Rhode Island Weather Almanac  
Tuesday, June 22, 2021  
Cloudy & Fog early, Partly Cloudy Day to Cloudy, Rain & Fog PM, Muggy  
Climate Normal Period Climate Record Period  
1991- 2020   1893 - 2021  
    June 22, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   82   83   76   +6   91   in 2012   57   in 1928  
Minimum Temperature   61   65   60   +1   72   in 2012   50   in 1986  
Average Temperature   72   74   68   +4   82   in 2012   54   in 1903  
 Month Avg Max Temperature   76.8   75.7   72.6   +4.2   78.0   in 1957   65.8   in 2003  
Month Avg Min Temperature   58.9   57.1   56.5   +2.4   59.7   in 2001   50.7   in 1907  
Month Average Temperature   68.1   66.7   64.6   +3.5   68.6   in 1925   58.6   in 1907  
HDD   0   0   1   -1   11   in 1903   0   in 2021  
Month HDD   16   28   45   -29   159   in 1907   5   in 1899  
Season HDD   5061   5120   5473   -412   6619   in 1905   4549   in 2012  
CDD   7   9   4   +3   17   in 2012   0   in    
Month CDD   85   65   44   +41   96   in 1925   2   in 2003  
Year CDD   102   73   56   +29   110   in 2001   2   in 2003  
Maximum Dew Point   74   73   65   +9   74   in 2021   45   in 1963  
Minimum Dew Point   60   63   55   +5   66   in 2012   37   in 1958  
Average  Dew Point   67   68   60   +7   70   in 2012   42   in 1963  
 Month Avg Max Dew Point   65.3   62.8   61.7   +3.6   65.3   in 2021   53.9   in 1965  
Month Avg Min Dew Point   54.5   53.0   51.8   +2.7   55.6   in 2010   43.2   in 1958  
Month Average Dew Point   59.9   57.9   56.6   +3.3   60.0   in 1996   49.3   in 1958  
Precipitation   .37   .00   .12   +.25   2.42   in 1918            
One Hour   .13   .00           .74   in 2011            
Hourly Rate   1.37   .00           4.97   in 2005            
Month Precipitation   1.89   1.16   2.61   -.72   8.90   in 1982   .01   in 1949  
Year Precipitation   18.89   20.37   21.65   -2.76   38.25   in 1998   12.67   in 1957  
Snow   0.0   0.0   #####   #####   0.0   in              
Snow Depth   0   0           44004   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in    
Season Snow   27.7   12.9   33.5   -5.8   84.1   in 1996   5.0   in 1998  
    June 22, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   99%   95%   91%   +8%   100%   in 2004   55%   in 1966  
Minimum Humidity   72%   66%   58%   +14%   92%   in 1987   27%   in 1963  
Average Humidity   86%   81%   75%   +11%   96%   in 1987   47%   in 1950  
Maximum Barometer   29.84   29.98   29.99   -00.15   30.38   in 2002   29.44   in 1972  
Minimum Barometer   29.61   29.91   29.80   -00.19   30.29   in 2002   29.13   in 1972  
Average Barometer   29.73   29.95   29.90   -00.17   30.34   in 2002   29.29   in 1972  
Average Wind   6.0   3.7   6.0   +0.0   14.3   in 2009   1.6   in 1952  
Direction   S   S   S       NNE         NE        
High Wind Gust   21   15   21   -0   44   in 1972   9   in 1998  
Direction   NNW   SSW   SW       S         S        
High Heat Index   87   89   76   +11   100   in 2012            
Low Wind Chill                                      
Maximum Water Temp   65.5   62.5   66.0   -0.5   71.6   in 2007   60.4   in 2003  
Minimum Water Temp   62.1   59.7   62.0   +0.1   67.7   in 2007   57.7   in 2005  
Average Water Temp   63.8   61.1   64.0   -0.2   69.6   in 2007   59.5   in 2003  
Sunrise/ AM Twilight   5:12:04 AM   4:38:06 AM            
Sunset / PM Twilight   8:22:58 PM   8:56:56 PM            
Length Of Day   15:10:54                          
Special Conditions   Fog                                  
Comments                                      
Hour-by-Hour Weather For June 22, 2021            
Climate Weather for June 22            
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