Portsmouth Rhode Island Weather Almanac
Wednesday, April 17, 2019
Mostly Cloudy early then Clear, Breezy and Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    April 17, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   61   49   56   +5   86   in 1976   41   in 2003  
Minimum Temperature   39   38   40   -1   56   in 2002   24   in 1908  
Average Temperature   50   44   48   +2   71   in 2002   34   in 1908  
Precipitation   .00   .01   .15   -.15   2.33   in 1954            
One Hour   .00   .01           .53   in 1954            
Snow   0.0   0.0   0.0   +0.0   T   in 1932            
Snow Depth   0   0           1   in 1992            
HDD   15   21   17   -2   31   in 1908   0   in 2012  
CDD   0   0   0   +0   6   in 2002            
Maximum Dew Point   38   43   42   -4   63   in 1976   18   in 1980  
Minimum Dew Point   26   30   29   -3   50   in 2002   3   in 1985  
Average  Dew Point   32   37   36   -4   56   in 2002   14   in 1980  
Maximum Humidity   82%   95%   84%   -2%   100%   in 2001   47%   in 1985  
Minimum Humidity   26%   61%   46%   -20%   98%   in 1987   13%   in 2012  
Average Humidity   54%   78%   65%   -11%   99%   in 1987   32%   in 1985  
Maximum Barometer   30.28   29.66   30.05   +00.23   30.74   in 2014   29.50   in 2007  
Minimum Barometer   30.02   29.51   29.79   +00.23   30.58   in 2014   28.92   in 1929  
Average Barometer   30.15   29.59   29.92   +00.23   30.66   in 2014   29.40   in 2007  
Average Wind   7.5   9.4   8.2   -0.7   15.1   in 1986   2.7   in 2005  
Direction   S   W   S       NE         S        
High Wind Gust   21   21   26   -5   52   in 1954   12   in 2001  
Direction   SSW   NW   S       SSW         S        
High Heat Index                                      
Wind Chill   38   32   33   +5             17   in 2003  
Maximum Water Temp   45.9   42.1   47.0   -1.1   54.0   in 2012   41.3   in 2003  
Minimum Water Temp   41.9   41.2   44.2   -2.3   49.6   in 2012   39.8   in 2003  
Average Water Temp   43.9   41.7   45.6   -1.7   51.8   in 2012   40.6   in 2003  
Sunrise/ AM Twilight   6:01:13 AM   5:32:21 AM            
Sunset / PM Twilight   7:28:08 PM   7:57:01 PM            
Length Of Day   13:26:55                          
Special Conditions   None                                  
Comments      
    April 17, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   54.9   47.9   53.2   +1.8   61.8   in 1945   45.4   in 1907  
Avg Minimum Temperature   38.8   34.4   37.0   +1.8   42.9   in 2010   30.8   in 1982  
Average Temperature   46.9   41.2   45.4   +1.5   52.0   in 1945   38.9   in 1907  
Total Precipitation   2.86   1.98   2.68   +.18   6.74   in 1983   .04   in 1963  
Total Snow   0.0   3.6   1.0   -1.0   9.6   in 1996   0.0   in 2019  
Total HDD   304   401   332   -28   441   in 1907   217   in 1945  
Total CDD   0   0   0   +0   6   in 2002   0   in    
Avg Maximum Dew Point   42.6   39.6   40.0   +2.6   46.9   in 2010   30.1   in 1975  
Avg Minimum Dew Point   27.3   23.8   26.8   +0.5   35.7   in 2010   15.5   in 1992  
Average  Dew Point   34.9   31.9   33.4   +1.5   41.3   in 2010   23.5   in 1992  
    April 17, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   15.37   18.37   15.05   +.32   26.01   in 1983   6.69   in 2012  
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)   5045   4885   5109   -64   6038   in 1918   4111   in 2012  
Total CDD (since Jan 1)   0   0   0   +0   6   in 2002   0   in    
                             
Hour-by-Hour Weather For April 17, 2019  
Climate Weather for April 17  
Weather History For April 17  
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