Portsmouth Rhode Island Weather Almanac  
Sunday, April 17, 2022  
Mostly Cloudy, Rain & Fog early, Partly Cloudy Day to Clear PM, Much Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    April 17, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   49   50   56   -7   86   in 1976   41   in 2003  
Minimum Temperature   39   38   40   -1   56   in 2002   24   in 1908  
Average Temperature   44   44   48   -4   71   in 2002   34   in 1908  
 Month Avg Max Temperature   57.2   54.6   53.0   +4.2   61.8   in 1945   45.4   in 1907  
Month Avg Min Temperature   41.2   38.1   37.6   +3.6   42.9   in 2010   30.8   in 1982  
Month Average Temperature   49.4   46.6   45.6   +3.8   52.2   in 1945   39.1   in 1907  
High Heat Index                                      
Low Wind Chill   35   30   33   +2             16   in 1908  
Heating Degree Days   21   21   17   +4   31   in 1908   0   in 2012  
Month HDD   265   312   330   -65   441   in 1907   217   in 1945  
Season HDD   4565   4632   4980   -415   6038   in 1918   4111   in 2012  
Cooling Degree Days   0   0   0   +0   6   in 2002       in    
Month CDD   0   0   0   +0   6   in 2002       in    
Year Cooling Degree Days   0   0   0   +0   6   in 2002       in    
Maximum Dew Point   42   41   43   -1   63   in 1976   18   in 1980  
Minimum Dew Point   26   35   30   -4   50   in 2002   3   in 1985  
Average  Dew Point   34   38   37   -3   56   in 2002   14   in 1980  
 Month Avg Max Dew Point   45.0   41.9   40.8   +4.2   46.9   in 2010   30.1   in 1975  
Month Avg Min Dew Point   31.4   29.1   27.4   +4.1   35.7   in 2010   15.5   in 1992  
Month Average Dew Point   38.2   35.5   34.1   +4.1   41.3   in 2010   23.5   in 1992  
Precipitation   .19   .06   .14   +.05   2.33   in 1954            
One Hour   .13   .04           .53   in 1954            
Hourly Rate   .44   .05           .79   in 2011            
Month Precipitation   1.91   2.65   2.45   -.54   6.74   in 1983   .04   in 1963  
Year Precipitation   14.81   11.07   13.91   +.90   26.01   in 1983   6.69   in 2012  
Snow   0.0   0.0   0.0   +0.0   T   in 1932       in    
Snow Depth   0   0           1   in 1992       in    
Month Snow   0.0   T   0.5   -0.5   9.6   in 1996   0.0   in 2022  
Season Snow   34.2   27.5   33.5   +0.7   84.1   in 1996   5.0   in 1998  
    April 17, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   94%   91%   85%   +9%   100%   in 2001   47%   in 1985  
Minimum Humidity   43%   66%   46%   -3%   98%   in 1987   13%   in 2012  
Average Humidity   69%   79%   65%   +3%   99%   in 1987   32%   in 1985  
Maximum Barometer   30.27   29.80   30.05   +00.22   30.74   in 2014   29.50   in 2007  
Minimum Barometer   29.85   29.57   29.79   +00.06   30.58   in 2014   28.92   in 1929  
Average Barometer   30.06   29.69   29.92   +00.14   30.66   in 2014   29.40   in 2007  
Average Wind   8.9   7.4   8.3   +0.6   15.1   in 1986   2.7   in 2005  
Direction   NW   NNW   S       NE         S        
High Wind Gust   30   26   26   +4   52   in 1954   12   in 2001  
Direction   NNW   NW   SSW       SSW         S        
Maximum Water Temp   48.0   45.8   46.8   +1.2   54.0   in 2012   41.3   in 2003  
Minimum Water Temp   46.4   44.4   44.1   +2.3   49.6   in 2012   39.8   in 2003  
Average Water Temp   47.2   45.1   45.5   +1.7   51.8   in 2012   40.6   in 2003  
Sunrise/ AM Twilight   6:02:03 AM   5:31:31 AM            
Sunset / PM Twilight   7:27:50 PM   7:57:54 PM            
Length Of Day   13:25:47                          
Special Conditions   Fog                                  
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Hour-by-Hour Weather For April 17, 2022            
Climate Weather for April 17            
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