Portsmouth Rhode Island Weather Almanac
Friday, April 19, 2019
Dense Fog early then Cloudy PM Rain and Fog, Windy, Very Warm and Muggy
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    April 19, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   61   44   57   +4   86   in 1976   40   in 1926  
Minimum Temperature   53   39   40   +13   54   in 1976   27   in 1926  
Average Temperature   57   42   48   +9   70   in 1976   34   in 1926  
Precipitation   .09   .26   .15   -.06   2.35   in 1983            
One Hour   .05   .07           .36   in 1995            
Snow   0.0   0.0   0.0   +0.0   T   in 1904            
Snow Depth   0   0           0   in              
HDD   8   23   16   -8   31   in 1926   0   in 1976  
CDD   0   0   0   +0   5   in 1976            
Maximum Dew Point   58   40   43   +15   63   in 1987   23   in 1970  
Minimum Dew Point   52   32   30   +22   52   in 2019   6   in 1986  
Average  Dew Point   55   36   36   +19   55   in 2019   17   in 1970  
Maximum Humidity   99%   96%   87%   +12%   100%   in 2004   51%   in 1970  
Minimum Humidity   88%   77%   52%   +36%   88%   in 2019   18%   in 1986  
Average Humidity   94%   87%   69%   +24%   94%   in 1983   35%   in 1970  
Maximum Barometer   29.97   29.87   30.10   -00.13   30.74   in 1990   29.54   in 1983  
Minimum Barometer   29.86   29.67   29.84   +00.02   30.38   in 2003   28.99   in 1997  
Average Barometer   29.92   29.77   29.97   -00.05   30.56   in 1990   29.29   in 1997  
Average Wind   10.9   6.1   7.5   +3.4   18.0   in 2000   3.9   in 1965  
Direction   SSW   WNW   N       N         E        
High Wind Gust   26   24   25   +1   45   in 1997   13   in 1992  
Direction   SSW   WNW   N       N         NE        
High Heat Index                                      
Wind Chill   49   32   35   +14             17   in 1990  
Maximum Water Temp   44.8   42.8   47.8   -3.0   52.9   in 2012   42.8   in 2018  
Minimum Water Temp   42.3   41.2   45.1   -2.8   50.5   in 2012   40.8   in 2003  
Average Water Temp   43.6   42.0   46.5   -2.9   51.7   in 2012   42.0   in 2018  
Sunrise/ AM Twilight   5:58:11 AM   5:29:09 AM            
Sunset / PM Twilight   7:30:19 PM   7:59:21 PM            
Length Of Day   13:32:08                          
Special Conditions   Dense Fog                              
Comments      
    April 19, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   55.2   48.0   53.5   +1.7   61.6   in 1945   45.6   in 1907  
Avg Minimum Temperature   39.6   34.6   37.3   +2.3   42.6   in 2010   31.2   in 1943  
Average Temperature   47.4   41.3   45.6   +1.8   51.9   in 1945   39.1   in 1907  
Total Precipitation   3.00   2.24   2.98   +.02   9.09   in 1983   .08   in 1966  
Total Snow   0.0   3.6   1.0   -1.0   9.6   in 1996   0.0   in 2019  
Total HDD   330   445   365   -35   489   in 1907   244   in 1945  
Total CDD   0   0   0   +0   11   in 1976   0   in    
Avg Maximum Dew Point   43.9   39.5   40.3   +3.6   46.7   in 2002   31.8   in 1965  
Avg Minimum Dew Point   29.1   24.4   27.1   +2.0   35.7   in 2010   17.2   in 1982  
Average  Dew Point   36.5   32.2   33.7   +2.8   41.0   in 2010   25.1   in 1992  
    April 19, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   15.51   18.63   15.35   +.16   28.36   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)   5071   4929   5142   -71   6082   in 1918   4132   in 2012  
Total CDD (since Jan 1)   0   0   0   +0   11   in 1976   0   in    
                             
Hour-by-Hour Weather For April 19, 2019  
Climate Weather for April 19  
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