Portsmouth Rhode Island Weather Almanac
Wednesday, June 12, 2019
Clear early, Partly Cloudy Day to Clear Evening, Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    June 12, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   74   69   73   +1   88   in 1933   56   in 2000  
Minimum Temperature   52   50   56   -4   68   in 1973   42   in 1980  
Average Temperature   63   60   65   -2   75   in 2017   54   in 2000  
Precipitation   .00   .00   .12   -.12   2.18   in 1905            
One Hour   .00   .00           .63   in 2001            
Snow   0.0   0.0   0.0   +0.0   0.0   in              
Snow Depth   0   0               in            
HDD   2   5   2   +0   11   in 2000   0   in 2017  
CDD   0   0   2   -2   10   in 2017            
Maximum Dew Point   54   54   61   -7   71   in 1973   44   in 1950  
Minimum Dew Point   46   41   51   -5   63   in 1996   34   in 1972  
Average  Dew Point   50   48   56   -6   67   in 1996   41   in 1950  
Maximum Humidity   83%   89%   91%   -8%   100%   in 2003   60%   in 1951  
Minimum Humidity   39%   40%   57%   -18%   93%   in 1986   28%   in 1989  
Average Humidity   61%   65%   74%   -13%   97%   in 1986   46%   in 1989  
Maximum Barometer   30.20   30.23   30.02   +00.18   30.37   in 1999   29.47   in 1963  
Minimum Barometer   30.03   30.06   29.81   +00.22   30.26   in 1999   29.17   in 1985  
Average Barometer   30.12   30.15   29.92   +00.20   30.32   in 1999   29.43   in 1963  
Average Wind   6.5   8.4   6.3   +0.2   11.8   in 1979   2.3   in 1996  
Direction   S   SW   N       WNW         SSW        
High Wind Gust   21   30   22   -1   50   in 1903   12   in 2003  
Direction   S   SW   N       SE         SSW        
High Heat Index   74   68   72   +2   92   in 2017            
Wind Chill                             #N/A   in #N/A  
Maximum Water Temp   62.8   60.3   60.4   +2.4   68.0   in 2007   58.3   in 2003  
Minimum Water Temp   59.5   58.3   57.0   +2.5   65.1   in 2007   53.6   in 2006  
Average Water Temp   61.2   59.3   58.7   +2.4   66.6   in 2007   56.8   in 1998  
Sunrise/ AM Twilight   5:10:48 AM   4:36:58 AM            
Sunset / PM Twilight   8:19:41 PM   8:53:30 PM            
Length Of Day   15:08:53                          
Special Conditions   None                                  
Comments      
    June 12, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   73.3   68.3   71.3   +2.0   79.3   in 1925   52.3   in 1893  
Avg Minimum Temperature   54.9   52.8   54.4   +0.5   60.5   in 2008   46.9   in 1907  
Average Temperature   64.1   60.5   62.7   +1.5   69.2   in 1925   53.7   in 1907  
Total Precipitation   1.81   .98   1.52   +.29   6.84   in 1982   T   in 1949  
Total Snow   0.0   0.0   0.0   +0.0   0.0   in     0.0   in    
Total HDD   18   60   36   -18   134   in 1907   2   in 1936  
Total CDD   10   9   15   -5   67   in 2008   0   in 2003  
Avg Maximum Dew Point   60.8   58.8   59.1   +1.7   65.1   in 2008   48.4   in 1988  
Avg Minimum Dew Point   49.1   47.5   49.4   -0.3   55.6   in 2005   39.9   in 1988  
Average  Dew Point   55.0   53.4   54.3   +0.7   60.2   in 2008   44.2   in 1988  
    June 12, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   23.72   23.99   22.02   +1.70   36.73   in 1983   12.64   in 1957  
Total Snow (since Jul 1 18)   21.1   45.6   31.8   -10.7   84.1   in 1996   5.0   in 1998  
Total HDD (since Jul 1 18)   5508   5348   5608   -100   6600   in 1905   4526   in 2012  
Total CDD (since Jan 1)   20   20   24   -4   76   in 1991   0   in 2003  
                             
Hour-by-Hour Weather For June 12, 2019  
Climate Weather for June 12  
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