Portsmouth Rhode Island Weather Almanac
Thursday, March 7, 2019
Partly Cloudy to Clear PM,  Continued Dry, Windy and Bitter Cold
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2019  
    March 7, 2019     Record Record
Observed Daily Data   Observed   2018   Normal   Depart   Highest Lowest
Maximum Temperature   28   40   43   -15   64   in 2009   20   in 1913  
Minimum Temperature   14   30   28   -14   40   in 1979   7   in 2007  
Average Temperature   21   35   36   -15   51   in 2009   14   in 2007  
Precipitation   .00   1.27   .17   -.17   2.85   in 1967            
One Hour   .00   .42           .43   in 1967            
Snow   0.0   0.5   0.2   -0.2   3.4   in 1916            
Snow Depth   3   0           24   in 2015            
HDD   44   30   29   +15   51   in 2007   14   in 2009  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   12   36   32   -20   51   in 1992   7   in 1990  
Minimum Dew Point   2   27   17   -15   36   in 1979   -16   in 2007  
Average  Dew Point   7   32   24   -17   42   in 1979   -3   in 2007  
Maximum Humidity   65%   98%   84%   -19%   100%   in 2011   53%   in 1953  
Minimum Humidity   38%   78%   52%   -14%   92%   in 1996   25%   in 1989  
Average Humidity   52%   88%   68%   -17%   95%   in 1973   41%   in 1990  
Maximum Barometer   30.38   30.02   30.13   +00.25   30.92   in 1990   29.50   in 1965  
Minimum Barometer   30.21   29.37   29.75   +00.46   30.48   in 1990   28.38   in 1932  
Average Barometer   30.30   29.70   29.94   +00.35   30.70   in 1990   29.29   in 1991  
Average Wind   9.7   11.9   9.3   +0.4   22.7   in 1986   3.7   in 1987  
Direction   WNW   ENE   WNW       WNW         WSW        
High Wind Gust   22   36   29   -7   59   in 1962   13   in 1960  
Direction   W   NNE   WNW       NNE         NNW        
High Heat Index                                      
Wind Chill   2   21   17   -15             -9   in 2007  
Maximum Water Temp   34.2   37.7   38.8   -4.6   43.0   in 2012   32.8   in 2015  
Minimum Water Temp   32.4   37.2   36.9   -4.5   40.8   in 1998   31.3   in 2015  
Average Water Temp   33.3   37.5   37.9   -4.6   41.8   in 2012   32.1   in 2015  
Sunrise/ AM Twilight   6:09:01 AM   5:41:28 AM            
Sunset / PM Twilight   5:43:12 PM   6:10:45 PM            
Length Of Day   11:34:11                          
Special Conditions   None                                  
Comments   3rd consecutive day of maximum temperature below 32°  
    March 7, 2019     Record Record
Month-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
 Avg Maximum Temperature   33.6   44.9   42.9   -9.3   55.0   in 1974   29.9   in 1912  
Avg Minimum Temperature   22.0   32.9   27.7   -5.7   37.9   in 1974   14.1   in 1950  
Average Temperature   27.8   38.9   35.0   -7.2   46.4   in 1974   23.6   in 1978  
Total Precipitation   1.43   4.33   1.10   +.33   4.33   in 2018   .00   in 1935  
Total Snow   9.4   1.0   1.5   +7.9   15.3   in 1960   0.0   in 2017  
Total HDD   258   181   208   +50   288   in 1978   127   in 1974  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   24.7   36.0   31.3   -6.6   45.9   in 1991   13.6   in 1978  
Avg Minimum Dew Point   11.6   28.7   16.0   -4.5   32.4   in 1979   -5.0   in 1950  
Average  Dew Point   18.1   32.4   23.7   -5.5   37.4   in 1991   7.4   in 1950  
    March 7, 2019     Record Record
Year-to-Date Summary   Observed   2018   Normal Depart Highest Lowest
Total Precipitation   10.54   15.30   8.30   +2.24   18.75   in 1979   2.66   in 1980  
Total Snow (since Jul 1 18)   20.7   31.4   27.2   -6.5   71.4   in 1996   4.7   in 1998  
Total HDD (since Jul 1 18)   4146   3826   4159   -13   5057   in 1905   3380   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For March 7, 2019  
Climate Weather for March 7  
Weather History For March 7  
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