Portsmouth Rhode Island Weather Almanac
Friday, March 13, 2020
Cloudy, Rain, Dense Fog, Clearing Late, Windy and Very Warm
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    March 13, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   54   43   45   +9   74   in 1990   29   in 1896  
Minimum Temperature   42   27   29   +13   46   in 2012   12   in 1980  
Average Temperature   48   35   37   +11   55   in 1990   21   in 1896  
Precipitation   .41   .00   .17   +.24   2.37   in 1993        
One Hour   .11   .00           .73   in 1993            
Snow   0.0   0.0   0.2   -0.2   9.5   in 2018            
Snow Depth   0   0           13   in 1939            
HDD   17   30   28   -11   44   in 1896   10   in 1990  
CDD   0   0   0   +0   0   in              
Maximum Dew Point   53   31   33   +20   55   in 1990   7   in 1997  
Minimum Dew Point   30   16   19   +12   42   in 2006   -12   in 1980  
Average  Dew Point   42   24   26   +16   47   in 2006   3   in 1997  
Maximum Humidity   96%   80%   86%   +10%   100%   in 2013   42%   in 1997  
Minimum Humidity   56%   39%   52%   +4%   92%   in 1966   24%   in 2015  
Average Humidity   76%   60%   69%   +7%   96%   in 1953   33%   in 1997  
Maximum Barometer   30.21   30.40   30.11   +00.10   30.74   in 1984   29.42   in 1983  
Minimum Barometer   29.70   30.25   29.75   -00.05   30.40   in 1995   28.52   in 1993  
Average Barometer   29.96   30.33   29.93   +00.03   30.51   in 1984   29.25   in 1983  
Average Wind   14.6   6.7   8.3   +6.3   19.7   in 1959   2.8   in 2006  
Direction   ESE   S   N       W         SSE        
High Wind Gust   35   19   27   +8   57   in 1993   10   in 1971  
Direction   ESE   S   N       ENE         SE        
Wind Chill   35   22   21   +14             -2   in 1998  
Maximum Water Temp   39.2   37.2   39.6   -0.4   45.7   in 2012   35.6   in 2003  
Minimum Water Temp   38.3   35.4   37.7   +0.6   44.6   in 2012   33.7   in 2015  
Average Water Temp   38.8   36.3   38.7   +0.0   45.2   in 2012   34.8   in 2015  
Sunrise/ AM Twilight   6:57:53 AM   6:30:23 AM            
Sunset / PM Twilight   6:50:48 PM   7:18:18 PM            
Length Of Day   11:52:55                          
Special Conditions   Dense Fog                              
Comments      
    March 13, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   52.0   38.2   43.6   +8.4   52.3   in 1894   32.8   in 1916  
Avg Minimum Temperature   35.4   24.8   28.2   +7.2   37.0   in 1973   18.8   in 1984  
Average Temperature   43.7   31.5   35.7   +8.0   44.5   in 1973   26.8   in 1916  
Total Precipitation   .80   2.41   2.12   -1.32   5.49   in 1983   .04   in 1915  
Total Snow   0.6   9.6   2.7   -2.1   18.9   in 1941   0.0   in 2011  
Total HDD   275   432   378   -103   493   in 1916   263   in 1973  
Total CDD   0   0   0   +0   0   in     0   in    
Avg Maximum Dew Point   39.8   28.2   31.9   +7.8   41.3   in 1973   18.5   in 1960  
Avg Minimum Dew Point   23.8   14.4   16.8   +7.0   30.5   in 1973   2.5   in 1980  
Average  Dew Point   31.8   21.3   24.4   +7.4   35.9   in 1973   12.2   in 1984  
    March 13, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   6.61   11.52   9.32   -2.71   18.97   in 1979   3.23   in 1980  
Total Snow (since Jul 1 18)   12.8   20.9   28.4   -15.6   75.0   in 2005   4.7   in 1998  
Total HDD (since Jul 1 18)   3836   4320   4329   -493   5241   in 1905   3474   in 2016  
Total CDD (since Jan 1)   0   0   0   +0   0   in     0   in    
                             
Hour-by-Hour Weather For March 13, 2020  
Climate Weather for March 13  
Weather History For March 13  
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