Portsmouth Rhode Island Weather Almanac  
Sunday, April 10, 2022  
Clear AM, Partly Cloudy Day to Mostly Cloudy PM, Breezy and Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    April 10, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   55   63   53   +2   76   in 1922   37   in 1996  
Minimum Temperature   40   42   38   +2   47   in 1980   26   in 1997  
Average Temperature   48   53   46   +2   59   in 1922   34   in 1996  
 Month Avg Max Temperature   54.5   56.8   51.8   +2.7   62.8   in 2010   41.2   in 2003  
Month Avg Min Temperature   39.6   36.9   36.7   +2.9   44.2   in 2010   27.7   in 1982  
Month Average Temperature   47.2   47.1   44.6   +2.6   53.7   in 2010   36.6   in 2003  
High Heat Index                                      
Low Wind Chill   34   39   29   +5             14   in 1997  
Heating Degree Days   17   12   19   -2   31   in 1996   6   in 1922  
Month HDD   178   179   204   -26   284   in 2003   113   in 2010  
Season HDD   4478   4499   4854   -376   5891   in 1918   4038   in 2012  
Cooling Degree Days   0   0   0   +0       in         in    
Month CDD   0   0   0   +0   0   in         in    
Year Cooling Degree Days                       in         in    
Maximum Dew Point   38   54   41   -3   58   in 1993   12   in 1997  
Minimum Dew Point   28   42   28   +0   46   in 1980   3   in 1997  
Average  Dew Point   33   48   34   -1   51   in 1993   8   in 1997  
 Month Avg Max Dew Point   43.4   40.6   39.7   +3.7   50.9   in 2010   25.9   in 1965  
Month Avg Min Dew Point   31.1   23.7   26.2   +4.9   38.9   in 2010   10.3   in 1982  
Month Average Dew Point   37.3   32.2   32.9   +4.4   44.9   in 2010   19.1   in 1982  
Precipitation   .00   .00   .14   -.14   2.93   in 1983            
One Hour   .00   .00           .60   in 1980            
Hourly Rate   .00   .00           2.08   in 2013            
Month Precipitation   1.58   .77   1.47   +.11   5.57   in 1983   .03   in 1963  
Year Precipitation   14.48   9.19   12.93   +1.55   24.84   in 1983   6.44   in 2012  
Snow   0.0   0.0   0.0   +0.0   3.6   in 1996       in    
Snow Depth   0   0           8   in 1917       in    
Month Snow   0.0   0.0   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 10, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   86%   98%   82%   +4%   100%   in 2015   42%   in 1997  
Minimum Humidity   45%   69%   44%   +1%   96%   in 2015   13%   in 1997  
Average Humidity   66%   84%   63%   +3%   98%   in 2015   28%   in 1997  
Maximum Barometer   29.84   30.12   30.05   -00.21   30.73   in 1954   29.41   in 1963  
Minimum Barometer   29.60   29.78   29.75   -00.15   30.12   in 2018   29.02   in 1986  
Average Barometer   29.72   29.95   29.90   -00.18   30.30   in 2002   29.32   in 1986  
Average Wind   10.8   7.8   8.5   +2.3   16.7   in 1988   2.0   in 1966  
Direction   NW   SW   W       NNW         WNW        
High Wind Gust   29   30   28   +1   44   in 1969   11   in 2018  
Direction   WNW   WSW   WNW       SW         SSE        
Maximum Water Temp   48.9   46.3   45.3   +3.6   52.3   in 2010   40.2   in 2020  
Minimum Water Temp   46.6   44.9   42.6   +4.0   49.1   in 2010   37.9   in 2003  
Average Water Temp   47.8   45.6   44.0   +3.8   50.7   in 2010   39.6   in 2003  
Sunrise/ AM Twilight   6:13:08 AM   5:43:00 AM            
Sunset / PM Twilight   7:20:13 PM   7:49:48 PM            
Length Of Day   13:07:05                          
Special Conditions   None                              
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