Portsmouth Rhode Island Weather Almanac
Saturday, March 16, 2019
Mostly Cloudy & Light Fog early, Partly Cloudy Day to Clear PM, Warm and Windy
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    March 16, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   52   39   46   +6   58   in 1986   28   in 1916  
Minimum Temperature   34   28   30   +4   45   in 2000   13   in 1932  
Average Temperature   43   34   38   +5   51   in 2000   22   in 1916  
Precipitation   .00   .00   .17   -.17   1.76   in 1900            
One Hour   .00   .00           .44   in 1953            
Snow   0.0   0.0   0.2   -0.2   7.2   in 1896            
Snow Depth   0   2           9   in 1999            
HDD   22   31   27   -5   43   in 1916   14   in 2000  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   49   22   34   +15   54   in 2002   3   in 1992  
Minimum Dew Point   20   15   19   +1   42   in 1990   -10   in 1980  
Average  Dew Point   35   19   27   +8   48   in 1990   2   in 1992  
Maximum Humidity   96%   68%   83%   +13%   100%   in 2011   46%   in 1980  
Minimum Humidity   36%   41%   47%   -11%   81%   in 2007   18%   in 1982  
Average Humidity   66%   55%   65%   +1%   90%   in 2007   33%   in 1980  
Maximum Barometer   30.05   29.79   30.07   -00.02   30.82   in 1993   29.38   in 1981  
Minimum Barometer   29.65   29.51   29.77   -00.12   30.51   in 1993   29.08   in 1981  
Average Barometer   29.85   29.65   29.92   -00.07   30.67   in 1993   29.23   in 1981  
Average Wind   12.7   14.5   8.6   +4.1   20.6   in 1956   3.0   in 2012  
Direction   WNW   WNW   WNW       NE         SE        
High Wind Gust   33   32   27   +6   62   in 1956   12   in 2012  
Direction   NW   WNW   WNW       NE         ESE        
High Heat Index                                      
Wind Chill   26   15   21   +5             -2   in 1956  
Maximum Water Temp   40.3   38.9   40.2   +0.1   45.4   in 2012   36.4   in 2015  
Minimum Water Temp   37.4   36.7   38.2   -0.8   44.6   in 2012   34.4   in 2015  
Average Water Temp   38.9   37.8   39.2   -0.3   45.0   in 2012   35.4   in 2015  
Sunrise/ AM Twilight   6:54:07 AM   6:26:37 AM            
Sunset / PM Twilight   6:53:18 PM   7:20:48 PM            
Length Of Day   11:59:11                          
Special Conditions   Fog                                  
Comments      
    March 16, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   40.6   42.9   44.0   -3.4   51.8   in 1973   32.7   in 1916  
Avg Minimum Temperature   27.3   31.3   28.6   -1.3   37.3   in 1973   19.6   in 1950  
Average Temperature   34.0   37.1   36.1   -2.1   44.6   in 1973   26.8   in 1916  
Total Precipitation   2.49   5.01   2.63   -.14   5.49   in 1983   .04   in 1915  
Total Snow   9.6   10.7   3.3   +6.3   20.3   in 1916   0.0   in 2011  
Total HDD   492   442   459   +33   607   in 1916   322   in 1973  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   31.6   31.9   32.3   -0.7   41.2   in 1973   19.2   in 1960  
Avg Minimum Dew Point   17.4   24.8   17.3   +0.2   30.1   in 1973   2.9   in 1980  
Average  Dew Point   24.5   28.3   24.8   -0.2   35.7   in 1973   13.7   in 1960  
    March 16, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   11.60   15.98   9.83   +1.77   19.20   in 1979   4.43   in 1980  
Total Snow (since Jul 1 18)   20.9   41.1   29.0   -8.1   75.0   in 2005   4.7   in 1998  
Total HDD (since Jul 1 18)   4380   4087   4410   -30   5337   in 1905   3532   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For March 16, 2019  
Climate Weather for March 16  
Weather History For March 16  
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