Portsmouth Rhode Island Weather Almanac
Tuesday, May 19, 2020
Clear to Partly Cloudy PM, Windy with Seasonal Temperatures
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    May 19, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   65   63   66   -1   83   in 2017   47   in 1950    
Minimum Temperature   48   51   49   -1   61   in 2017   34   in 1981    
Average Temperature   57   57   57   +0   72   in 2017   46   in 1994    
Precipitation   .00   .02   .11   -.11   1.56   in 1901              
One Hour   .00   .02           .89   in 2011              
Snow   0.0   0.0   0.0   +0.0   0.0   in                
Snow Depth   0   0               in              
HDD   8   8   8   +0   19   in 1994   0   in 2017    
CDD   0   0   0   +0   7   in 2017              
Maximum Dew Point   46   58   53   -7   68   in 2017   36   in 1981    
Minimum Dew Point   35   47   42   -7   57   in 2011   27   in 1981    
Average  Dew Point   41   53   47   -6   61   in 2011   32   in 1981    
Maximum Humidity   85%   94%   92%   -7%   100%   in 2018   66%   in 1955    
Minimum Humidity   38%   71%   58%   -20%   95%   in 2015   23%   in 2003    
Average Humidity   62%   83%   75%   -13%   98%   in 2015   48%   in 1955    
Maximum Barometer   30.40   30.16   30.07   +00.33   30.57   in 1983   29.49   in 1976    
Minimum Barometer   30.15   29.98   29.86   +00.29   30.30   in 2009   29.22   in 1976    
Average Barometer   30.28   30.07   29.96   +00.31   30.42   in 1983   29.36   in 1976    
Average Wind   13.5   11.6   7.1   +6.4   15.2   in 1988   2.4   in 1989    
Direction   NE   S   NE       NNE         SSE          
High Wind Gust   37   26   24   +13   44   in 1964   12   in 1996    
Direction   ENE   S   NE       SW         SSE          
High Heat Index                   85   in 2017              
Wind Chill                             30   in 1981    
Maximum Water Temp   49.8   51.4   56.0   -6.2   60.9   in 2017   49.8   in 2020    
Minimum Water Temp   45.7   50.0   52.8   -7.1   57.2   in 2013   45.7   in 2020    
Average Water Temp   47.8   50.7   54.4   -6.6   58.7   in 1998   47.8   in 2020    
Sunrise/ AM Twilight   5:21:08 AM   4:49:03 AM            
Sunset / PM Twilight   8:02:29 PM   8:34:33 PM            
Length Of Day   14:41:21                          
Special Conditions   None                                  
Comments      
    May 19, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   62.4   60.2   62.9   -0.5   69.0   in 2001   55.1   in 1917  
Avg Minimum Temperature   44.3   45.5   46.4   -2.1   50.1   in 1930   40.9   in 1967  
Average Temperature   53.6   52.8   54.5   -0.9   59.5   in 1930   48.5   in 1917  
Total Precipitation   2.15   3.26   2.27   -.12   6.87   in 2006   .09   in 2001  
Total Snow   0.0   0.0   T   +0.0   1.7   in 1977   0.0   in    
Total HDD   216   226   199   +17   314   in 1917   110   in 1993  
Total CDD   0   0   0   +0   27   in 2001   0   in    
Avg Maximum Dew Point   47.7   51.2   50.0   -2.2   56.9   in 2004   41.8   in 1966  
Avg Minimum Dew Point   34.1   41.3   37.8   -3.7   46.5   in 1953   29.8   in 1966  
Average  Dew Point   41.2   46.2   43.9   -2.7   50.5   in 1998   35.8   in 1966  
    May 19, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   18.35   20.92   19.31   -.96   33.69   in 1983   10.75   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)   5037   5436   5533   -496   6444   in 1905   4458   in 2012  
Total CDD (since Jan 1)   0   0   0   +0.0   27   in 2001   0   in 2020  
                             
Hour-by-Hour Weather For May 19, 2020  
Climate Weather for May 19  
Weather History For May 19  
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