Portsmouth Rhode Island Weather Almanac
Tuesday, April 9, 2019
Cloudy and Fog early, Partly Cloudy Day to Cloudy PM, Rain and Fog, Seasonal Temperatures
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    April 9, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   53   45   53   +0   78   in 1991   37   in 1997  
Minimum Temperature   37   29   37   +0   50   in 1991   22   in 1977  
Average Temperature   45   37   45   +0   64   in 1991   31   in 1917  
Precipitation   .14   .00   .16   -.02   2.33   in 1897            
One Hour   .11   .00           .27   in 1974            
Snow   0.0   0.0   0.1   -0.1   8.0   in 1917            
Snow Depth   0   0           5   in 1982            
HDD   20   28   20   +0   34   in 1917   1   in 1991  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   42   29   40   +2   63   in 1991   14   in 1977  
Minimum Dew Point   35   13   27   +8   45   in 1991   5   in 1977  
Average  Dew Point   39   21   33   +6   54   in 1991   10   in 1977  
Maximum Humidity   93%   72%   84%   +9%   100%   in 2003   51%   in 1977  
Minimum Humidity   61%   30%   44%   +17%   92%   in 1974   15%   in 1968  
Average Humidity   77%   51%   64%   +13%   95%   in 1974   39%   in 1977  
Maximum Barometer   29.82   30.19   30.03   -00.21   30.55   in 1994   29.61   in 1986  
Minimum Barometer   29.59   29.98   29.75   -00.16   30.26   in 1994   28.87   in 1907  
Average Barometer   29.71   30.09   29.89   -00.19   30.41   in 1994   29.35   in 1986  
Average Wind   7.6   8.8   8.3   -0.7   18.9   in 2000   2.8   in 1952  
Direction   N   WNW   NNE       SSE         SSE        
High Wind Gust   19   24   26   -7   45   in 2000   13   in 1952  
Direction   E   SW   NNE       WSW         S        
High Heat Index                                      
Wind Chill   31   20   29   +2             7   in 1977  
Maximum Water Temp   42.4   41.7   45.0   -2.6   55.9   in 2010   38.5   in 2003  
Minimum Water Temp   40.3   39.0   42.1   -1.8   48.3   in 2010   38.0   in 2003  
Average Water Temp   41.4   40.4   43.6   -2.2   52.1   in 2010   38.3   in 2003  
Sunrise/ AM Twilight   6:13:52 AM   5:45:33 AM            
Sunset / PM Twilight   7:19:28 PM   7:47:47 PM            
Length Of Day   13:05:36                          
Special Conditions   Fog                                  
Comments      
    April 9, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   52.9   46.1   51.8   +1.1   63.3   in 2010   40.4   in 2003  
Avg Minimum Temperature   36.3   32.6   35.7   +0.7   44.8   in 2010   27.2   in 1982  
Average Temperature   44.6   39.3   44.0   +0.6   54.1   in 2010   35.8   in 1982  
Total Precipitation   1.76   .96   1.44   +.32   4.20   in 1957   .00   in 1925  
Total Snow   0.0   3.6   0.9   -0.9   8.0   in 1982   0.0   in 2019  
Total HDD   182   229   189   -7   260   in 1982   97   in 2010  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   39.2   36.9   38.8   +0.4   52.1   in 2010   25.1   in 1965  
Avg Minimum Dew Point   23.4   17.7   25.7   -2.2   40.1   in 2010   10.0   in 1982  
Average  Dew Point   31.3   27.6   32.2   -0.9   46.1   in 2010   19.3   in 1982  
    April 9, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   14.27   17.35   13.81   +.46   21.98   in 1903   6.44   in 2012  
Total Snow (since Jul 1 18)   21.1   45.6   31.7   -10.6   80.5   in 1996   5.0   in 1998  
Total HDD (since Jul 1 18)   4923   4713   4966   -43   5865   in 1918   4023   in 2012  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For April 9, 2019  
Climate Weather for April 9  
Weather History For April 9  
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