Portsmouth Rhode Island Weather Almanac
Saturday, April 13, 2019
Cloudy, Moderate Rain and Fog early to Dense Fog PM, Muggy and Warmer
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    April 13, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   56   57   55   +1   78   in 1977   38   in 1929  
Minimum Temperature   48   45   38   +10   51   in 2002   26   in 1956  
Average Temperature   52   51   47   +5   60   in 1977   35   in 1929  
Precipitation   .49   T   .16   +.33   2.55   in 1913            
One Hour   .22   T           .40   in 2004            
Snow   0.0   0.0   0.0   +0.0   0.4   in 1950            
Snow Depth   0   0           T   in 1958            
HDD   13   14   18   -5   30   in 1929   5   in 1977  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   56   47   41   +15   56   in 2019   18   in 1992  
Minimum Dew Point   48   41   28   +20   48   in 2019   3   in 1992  
Average  Dew Point   52   44   35   +17   52   in 2019   11   in 1992  
Maximum Humidity   100%   93%   84%   +16%   100%   in 2019   43%   in 1976  
Minimum Humidity   91%   71%   49%   +42%   93%   in 2004   13%   in 1963  
Average Humidity   96%   82%   66%   +29%   97%   in 2004   33%   in 1992  
Maximum Barometer   30.20   29.94   30.13   +00.07   30.67   in 1991   29.43   in 1953  
Minimum Barometer   29.99   29.82   29.86   +00.13   30.39   in 2000   29.19   in 1965  
Average Barometer   30.10   29.88   29.99   +00.10   30.47   in 2000   29.33   in 1953  
Average Wind   7.2   8.2   7.6   -0.4   19.9   in 1987   3.6   in 1984  
Direction   SSW   SSW   SSW       NNE         ESE        
High Wind Gust   18   28   26   -8   47   in 1995   15   in 1970  
Direction   SSW   SSW   SSW       SSE         S        
High Heat Index                                      
Wind Chill   46   40   30   +16             14   in 1956  
Maximum Water Temp   43.9   43.0   46.0   -2.1   53.3   in 2010   42.4   in 2004  
Minimum Water Temp   41.9   41.5   43.2   -1.3   47.7   in 2012   38.8   in 2003  
Average Water Temp   42.9   42.3   44.6   -1.7   49.7   in 2010   40.9   in 2003  
Sunrise/ AM Twilight   6:07:27 AM   5:38:52 AM            
Sunset / PM Twilight   7:23:48 PM   7:52:23 PM            
Length Of Day   13:16:21                          
Special Conditions   Dense Fog                              
Comments      
    April 13, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   52.7   47.0   52.5   +0.2   62.3   in 2010   43.6   in 2003  
Avg Minimum Temperature   37.2   34.0   36.3   +0.9   43.7   in 2010   28.5   in 1982  
Average Temperature   45.0   40.3   44.7   +0.3   53.0   in 2010   37.7   in 1982  
Total Precipitation   2.25   .98   2.08   +.17   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   258   319   263   -5   352   in 1982   153   in 2010  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   41.2   38.0   39.4   +1.7   49.1   in 2010   29.0   in 1965  
Avg Minimum Dew Point   25.9   22.3   26.2   -0.3   36.9   in 2010   13.2   in 1982  
Average  Dew Point   33.5   30.4   32.8   +0.7   43.0   in 2010   21.7   in 1982  
    April 13, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   14.76   17.37   14.45   +.31   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)   4999   4803   5040   -41   5984   in 1918   4087   in 2012  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For April 13, 2019  
Climate Weather for April 13  
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