Portsmouth Rhode Island Weather Almanac
Friday, April 12, 2019
Cloudy, Breezy, Seasonal Temperatures
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    April 12, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   53   52   54   -1   77   in 1977   34   in 1918  
Minimum Temperature   40   38   38   +2   50   in 1945   22   in 1976  
Average Temperature   47   45   46   +1   62   in 1945   32   in 1976  
Precipitation   T   .02   .16   .00   1.91   in 1913            
One Hour   T   .02           .42   in 2007            
Snow   0.0   0.0   0.0   +0.0   T   in 1918            
Snow Depth   0   0           3   in 1958            
HDD   18   20   18   +0   33   in 1976   3   in 1945  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   50   43   41   +9   55   in 1987   13   in 1976  
Minimum Dew Point   34   33   28   +6   47   in 2008   2   in 1976  
Average  Dew Point   42   38   34   +8   51   in 2008   8   in 1976  
Maximum Humidity   91%   93%   84%   +7%   100%   in 2003   50%   in 1975  
Minimum Humidity   64%   54%   42%   +22%   86%   in 2008   19%   in 1985  
Average Humidity   78%   74%   63%   +14%   92%   in 2008   37%   in 1963  
Maximum Barometer   30.37   30.13   30.14   +00.23   30.68   in 1909   29.65   in 1963  
Minimum Barometer   30.19   29.85   29.85   +00.34   30.36   in 2002   29.04   in 1932  
Average Barometer   30.28   29.99   29.99   +00.29   30.51   in 2002   29.47   in 1965  
Average Wind   8.5   7.5   7.4   +1.1   15.4   in 1960   2.7   in 1994  
Direction   S   SSW   NW       SSW         SSW        
High Wind Gust   20   28   25   -5   40   in 1960   13   in 1971  
Direction   S   SSW   NW       WSW         S        
High Heat Index                                      
Wind Chill   37   34   31   +6             7   in 1976  
Maximum Water Temp   42.6   43.3   45.7   -3.1   53.3   in 2010   39.4   in 2003  
Minimum Water Temp   41.9   40.8   42.7   -0.8   47.6   in 2012   38.4   in 2003  
Average Water Temp   42.3   42.1   44.2   -1.9   49.0   in 2010   38.9   in 2003  
Sunrise/ AM Twilight   6:09:02 AM   5:40:32 AM            
Sunset / PM Twilight   7:22:43 PM   7:51:14 PM            
Length Of Day   13:13:41                          
Special Conditions   None                                  
Comments      
    April 12, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   52.4   46.2   52.3   +0.1   62.8   in 2010   42.8   in 2003  
Avg Minimum Temperature   36.3   32.6   36.2   +0.2   44.1   in 2010   28.3   in 1982  
Average Temperature   44.4   39.4   44.5   -0.1   53.4   in 2010   37.3   in 1982  
Total Precipitation   1.76   .98   1.92   -.16   5.72   in 1983   .03   in 1963  
Total Snow   0.0   3.6   1.0   -1.0   9.6   in 1996   0.0   in 2019  
Total HDD   245   305   245   +0   329   in 1982   136   in 2010  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   39.9   37.3   39.3   +0.6   49.8   in 2010   27.8   in 1965  
Avg Minimum Dew Point   24.1   20.8   26.1   -2.0   37.6   in 2010   12.2   in 1982  
Average  Dew Point   32.0   29.3   32.7   -0.7   43.7   in 2010   20.5   in 1982  
    April 12, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   14.27   17.37   14.29   -.02   24.99   in 1983   6.57   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)   4986   4789   5022   -36   5954   in 1918   4070   in 2012  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For April 12, 2019  
Climate Weather for April 12  
Weather History For April 12  
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