Portsmouth Rhode Island Weather Almanac  
Saturday, May 6, 2023  
Clear and Much Warmer   PASTE VALUES
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    May 6, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   72   62   62   +10   85   in 1930   42   in 1917  
Minimum Temperature   46   47   46   +0   55   in 1930   34   in 1917  
Average Temperature   59   55   54   +5   70   in 1930   38   in 1917  
 Month Avg Max Temperature   58.8   60.5   60.8   -2.0   76.8   in 2001   48.5   in 1917  
Month Avg Min Temperature   45.2   45.7   45.0   +0.2   54.2   in 2010   37.0   in 1964  
Month Average Temperature   52.2   53.5   53.0   -0.8   64.3   in 2001   43.3   in 1917  
High Heat Index                   87   in 1930            
Low Wind Chill   44                         29   in 1917  
Heating Degree Days   6   10   11   -5   27   in 1917   0   in 1934  
Month HDD   77   69   72   +5   130   in 1917   13   in 2010  
Season HDD   4556   4851   5245   -689   6322   in 1904   4371   in 2012  
Cooling Degree Days   0   0   0   -0   5   in 1930       in    
Month CDD   0   0   0   +0   19   in 2001   0   in 2023  
Year CDD   0   0   0   +0   19   in 2001   0   in 2022  
Maximum Dew Point   51   49   50   +1   62   in 1950   33   in 1992  
Minimum Dew Point   42   35   38   +4   53   in 1998   13   in 2001  
Average  Dew Point   47   42   44   +3   56   in 2000   24   in 2001  
 Month Avg Max Dew Point   49.7   49.0   49.0   +0.7   57.3   in 2010   32.3   in 1952  
Month Avg Min Dew Point   41.7   38.7   37.2   +4.5   48.8   in 1998   19.2   in 1974  
Month Average Dew Point   46.2   44.0   43.2   +3.0   53.0   in 1998   28.3   in 1952  
Precipitation   .00   .15   .12   -.12   .91   in 1967            
One Hour   .00   .04           .30   in 2017            
Hourly Rate   .00   .06           2.49   in 2017            
Month Precipitation   .35   .75   .73   -.38   3.08   in 1922   .00   in 2015  
Year Precipitation   17.58   17.15   16.46   +1.12   31.53   in 1983   9.78   in 1927  
Snow   0.0   0.0   0.0   +0.0   T   in 1917       in    
Snow Depth   0   0           0   in         in    
Month Snow   0.0   0.0   0.0   +0.0   T   in 1995   0.0   in 2023  
Season Snow   9.1   34.7   33.5   -24.4   84.1   in 1996   5.0   in 1998  
    May 6, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   94%   98%   90%   +4%   100%   in 2017   52%   in 1979  
Minimum Humidity   35%   39%   52%   -17%   93%   in 1998   20%   in 2001  
Average Humidity   65%   69%   71%   -6%   97%   in 1998   41%   in 1982  
Maximum Barometer   30.20   30.03   30.05   +00.15   30.58   in 2001   29.62   in 1980  
Minimum Barometer   30.04   29.88   29.83   +00.21   30.31   in 2001   29.41   in 1966  
Average Barometer   30.12   29.96   29.94   +00.18   30.45   in 2001   29.55   in 1980  
Average Wind   5.6   4.1   6.7   -1.1   11.9   in 2019   3.4   in 1971  
Direction   WNW   SE   NNE       N SSW
High Wind Gust   19   15   23   -4   42   in 1989   13   in 1998  
Direction   WNW   SSE   NNE       S ESE
Maximum Water Temp   55.6   52.0   52.6   +3.0   57.6   in 2010   45.3   in 2020  
Minimum Water Temp   52.5   51.3   49.4   +3.1   55.5   in 2010   42.3   in 2020  
Average Water Temp   54.1   51.7   51.0   +3.0   56.6   in 2010   43.8   in 2020  
Sunrise/ AM Twilight   5:35:55 AM   5:03:45 AM            
Sunset / PM Twilight   7:48:07 PM   8:19:50 PM            
Length Of Day   14:12:12                          
Special Conditions   None                              
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