Portsmouth Rhode Island Weather Almanac  
Monday, April 10, 2023  
Clear, Dry and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    April 10, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   58   55   53   +5   76   in 1922   37   in 1996  
Minimum Temperature   37   40   38   -1   47   in 1980   26   in 1997  
Average Temperature   48   48   46   +2   59   in 1922   34   in 1996  
 Month Avg Max Temperature   53.7   54.5   51.8   +1.9   62.8   in 2010   41.2   in 2003  
Month Avg Min Temperature   38.1   39.6   36.7   +1.4   44.2   in 2010   27.7   in 1982  
Month Average Temperature   46.2   47.2   44.6   +1.6   53.7   in 2010   36.6   in 2003  
High Heat Index                                      
Low Wind Chill   31   34   29   +2             14   in 1997  
Heating Degree Days   17   17   19   -2   31   in 1996   6   in 1922  
Month HDD   188   178   204   -16   284   in 2003   113   in 2010  
Season HDD   4255   4478   4854   -599   5891   in 1918   4038   in 2012  
Cooling Degree Days   0   #N/A   0   +0   0   in     0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   38   38   41   -3   58   in 1993   12   in 1997  
Minimum Dew Point   26   28   28   -2   46   in 1980   3   in 1997  
Average  Dew Point   32   33   34   -2   51   in 1993   8   in 1997  
 Month Avg Max Dew Point   43.8   43.4   39.7   +4.1   50.9   in 2010   25.9   in 1965  
Month Avg Min Dew Point   26.2   31.1   26.2   +0.0   38.9   in 2010   10.3   in 1982  
Month Average Dew Point   35.0   37.3   32.9   +2.1   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   .70   1.58   1.47   -.77   5.57   in 1983   .03   in 1963  
Year Precipitation   14.20   14.48   12.93   +1.27   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 2023  
Season Snow   9.1   34.2   33.5   -24.4   84.1   in 1996   5.0   in 1998  
    April 10, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   84%   86%   82%   +2%   100%   in 2015   42%   in 1997  
Minimum Humidity   31%   45%   44%   -13%   96%   in 2015   13%   in 1997  
Average Humidity   58%   66%   63%   -5%   98%   in 2015   28%   in 1997  
Maximum Barometer   30.47   29.84   30.06   +00.41   30.73   in 1954   29.41   in 1963  
Minimum Barometer   30.27   29.60   29.75   +00.52   30.27   in 2023   29.02   in 1986  
Average Barometer   30.37   29.72   29.90   +00.47   30.37   in 2023   29.32   in 1986  
Average Wind   6.7   10.8   8.5   -1.8   16.7   in 1988   2.0   in 1966  
Direction   W   NW   W       NNW WNW
High Wind Gust   26   29   28   -2   44   in 1969   11   in 2018  
Direction   SW   WNW   WNW       SW SSE
Maximum Water Temp   47.8   48.9   45.4   +2.4   52.3   in 2010   40.2   in 2020  
Minimum Water Temp   46.0   46.6   42.7   +3.3   49.1   in 2010   37.9   in 2003  
Average Water Temp   46.9   47.8   44.1   +2.8   50.7   in 2010   39.6   in 2003  
Sunrise/ AM Twilight   6:13:32 AM   5:43:00 AM            
Sunset / PM Twilight   7:19:58 PM   7:49:48 PM            
Length Of Day   13:06:26                          
Special Conditions   None                              
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