Portsmouth Rhode Island Weather Almanac
Wednesday, May 13, 2020
Partly Cloudy early then Clear, Windy and Continued Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    May 13, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   60   56   64   -4   85   in 1956   43   in 1914    
Minimum Temperature   37   42   47   -10   55   in 1980   37   in 2020    
Average Temperature   49   49   55   -6   67   in 1956   41   in 1914    
Precipitation   .00   .36   .11   -.11   2.36   in 2006              
One Hour   .00   .17           1.07   in 2006              
Snow   0.0   0.0   0.0   +0.0   0.0   in                
Snow Depth   0   0               in              
HDD   16   16   10   +6   24   in 1914   0   in 1959    
CDD   0   0   0   +0   2   in 1956              
Maximum Dew Point   32   43   51   -19   63   in 1991   31   in 1967    
Minimum Dew Point   23   38   39   -16   54   in 1979   19   in 2005    
Average  Dew Point   28   41   45   -17   57   in 1979   28   in 2020    
Maximum Humidity   70%   95%   89%   -19%   100%   in 2006   55%   in 1967    
Minimum Humidity   25%   61%   53%   -28%   94%   in 1979   20%   in 2007    
Average Humidity   48%   78%   71%   -23%   97%   in 1979   41%   in 1977    
Maximum Barometer   30.27   29.96   30.06   +00.21   30.50   in 1987   29.66   in 1952    
Minimum Barometer   30.08   29.83   29.81   +00.27   30.31   in 1962   29.39   in 1974    
Average Barometer   30.18   29.90   29.93   +00.24   30.36   in 1962   29.55   in 1977    
Average Wind   11.8   10.6   7.1   +4.7   13.3   in 2008   3.0   in 1997    
Direction   WNW   NE   S       NNE         SSE          
High Wind Gust   29   29   23   +6   46   in 2008   15   in 2018    
Direction   WNW   E   S       NNE         NNE          
High Heat Index                   83   in 1956              
Wind Chill   31   36                     31   in 2020    
Maximum Water Temp   46.0   48.6   54.1   -8.1   58.6   in 2012   46.0   in 2020    
Minimum Water Temp   43.5   47.7   50.9   -7.4   55.8   in 2012   43.5   in 2020    
Average Water Temp   44.8   48.2   52.5   -7.8   57.2   in 2012   44.8   in 2020    
Sunrise/ AM Twilight   5:26:34 AM   4:55:07 AM            
Sunset / PM Twilight   7:56:37 PM   8:28:04 PM            
Length Of Day   14:30:03                          
Special Conditions   None                                  
Comments      
    May 13, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   60.7   59.3   62.0   -1.3   72.6   in 2001   50.9   in 1917  
Avg Minimum Temperature   42.9   44.7   45.6   -2.7   50.9   in 1930   39.4   in 1917  
Average Temperature   51.8   52.0   53.6   -1.8   61.4   in 1930   45.2   in 1917  
Total Precipitation   1.53   3.07   1.61   -.08   4.94   in 1989   T   in 2001  
Total Snow   0.0   0.0   T   +0.0   1.7   in 1977   0.0   in    
Total HDD   168   165   146   +22   255   in 1917   56   in 1930  
Total CDD   0   0   0   +0   27   in 2001   0   in    
Avg Maximum Dew Point   45.5   50.5   49.0   -3.6   55.1   in 2004   39.8   in 1952  
Avg Minimum Dew Point   31.2   40.5   36.5   -5.3   46.8   in 1998   27.4   in 1966  
Average  Dew Point   38.3   45.5   42.8   -4.4   50.5   in 1998   34.0   in 1966  
    May 13, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   17.73   20.73   18.65   -.92   31.75   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)   4989   5375   5480   -491   6378   in 1905   4429   in 2012  
Total CDD (since Jan 1)   0   0   0   +0.0   27   in 2001   0   in 2020  
                             
Hour-by-Hour Weather For May 13, 2020  
Climate Weather for May 13  
Weather History For May 13  
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