Portsmouth Rhode Island Weather Almanac
Thursday, May 14, 2020
Clear to Partly Cloudy, Light Sprinkle Late, Continued Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    May 14, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   62   49   64   -2   81   in 1991   48   in 1931    
Minimum Temperature   39   42   47   -8   56   in 2012   35   in 1996    
Average Temperature   51   46   56   -5   67   in 1991   45   in 1931    
Precipitation   T   .09   .11   .00   1.48   in 2006              
One Hour   T   .02           .51   in 2006              
Snow   0.0   0.0   0.0   +0.0   0.0   in                
Snow Depth   0   0               in              
HDD   14   19   10   +4   20   in 1931   0   in 1992    
CDD   0   0   0   +0   2   in 1991              
Maximum Dew Point   47   47   51   -4   62   in 1985   33   in 1977    
Minimum Dew Point   27   39   39   -12   54   in 1979   17   in 1994    
Average  Dew Point   37   43   45   -8   58   in 1979   27   in 1994    
Maximum Humidity   82%   97%   90%   -8%   100%   in 2018   52%   in 1951    
Minimum Humidity   28%   76%   52%   -24%   93%   in 2006   18%   in 1994    
Average Humidity   55%   87%   71%   -16%   97%   in 2006   36%   in 1994    
Maximum Barometer   30.32   29.84   30.08   +00.24   30.55   in 1986   29.55   in 2002    
Minimum Barometer   30.11   29.78   29.85   +00.26   30.26   in 2014   29.32   in 2002    
Average Barometer   30.22   29.81   29.97   +00.25   30.34   in 1951   29.44   in 2002    
Average Wind   7.4   9.2   6.5   +0.9   12.3   in 1971   2.9   in 1992    
Direction   SSW   N   SSE       NW         SW          
High Wind Gust   31   21   23   +8   36   in 2017   13   in 2004    
Direction   SW   N   SSE       NW         S          
High Heat Index                   80   in 1991              
Wind Chill   39   36                     34   in 1996    
Maximum Water Temp   47.8   48.0   54.5   -6.7   60.1   in 2007   47.8   in 2020    
Minimum Water Temp   44.2   47.3   51.4   -7.2   56.4   in 2012   44.2   in 2020    
Average Water Temp   46.0   47.7   52.9   -6.9   58.2   in 2007   46.0   in 2020    
Sunrise/ AM Twilight   5:25:36 AM   4:54:02 AM            
Sunset / PM Twilight   7:57:37 PM   8:29:11 PM            
Length Of Day   14:32:01                          
Special Conditions   None                                  
Comments      
    May 14, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   60.8   58.6   62.1   -1.4   72.1   in 2001   52.2   in 1917  
Avg Minimum Temperature   42.6   44.5   45.7   -3.1   50.6   in 1930   39.6   in 1967  
Average Temperature   51.7   51.5   53.8   -2.1   61.0   in 1930   46.0   in 1917  
Total Precipitation   1.53   3.16   1.72   -.19   6.08   in 2006   T   in 2001  
Total Snow   0.0   0.0   T   +0.0   1.7   in 1977   0.0   in    
Total HDD   182   184   156   +26   263   in 1917   65   in 1930  
Total CDD   0   0   0   +0   27   in 2001   0   in    
Avg Maximum Dew Point   45.6   50.2   49.2   -3.6   55.1   in 2004   39.9   in 1952  
Avg Minimum Dew Point   30.9   40.4   36.7   -5.8   46.0   in 1998   27.6   in 1966  
Average  Dew Point   38.2   45.3   42.9   -4.7   50.0   in 1998   34.0   in 1966  
    May 14, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   17.73   20.82   18.76   -1.03   31.82   in 1983   10.18   in 1927  
Total Snow (since Jul 1 19)   12.9   21.1   31.8   -18.9   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 19)   5003   5394   5490   -487   6389   in 1905   4433   in 2012  
Total CDD (since Jan 1)   0   0   0   +0.0   27   in 2001   0   in 2020  
                             
Hour-by-Hour Weather For May 14, 2020  
Climate Weather for May 14  
Weather History For May 14  
Weather Calendar  
Back To Weather Stat Page  
Home