Portsmouth Rhode Island Weather Almanac
Friday, November 13, 2020
Cloudy, Rain and Fog, Clearing Late, Much Cooler
Climate Normal Period Climate Record Period  
1981- 2010   1893 - 2020  
    November 13, 2020     Record Record
Observed Daily Data   Observed   2019   Normal   Depart   Highest Lowest
Maximum Temperature   51   32   53   -2   65   in 1964   32   in 2019  
Minimum Temperature   43   20   38   +5   54   in 1930   20   in 2019  
Average Temperature   47   26   46   +1   59   in 1964   26   in 2019  
Precipitation   .23   .00   .15   +.08   3.42   in 1975            
One Hour   .04   .00           .65   in 1975            
Snow   0.0   0.0   0.0   +0.0   3.1   in 2004            
Snow Depth   0   0           7   in 1987            
HDD   18   39   19   -1   39   in 2019   6   in 1964  
CDD   0   0   0   +0   0   in   0   in    
Maximum Dew Point   50   9   43   +7   60   in 2018   9   in 2019  
Minimum Dew Point   40   4   29   +11   51   in 2006   4   in 2019  
Average  Dew Point   45   7   36   +9   55   in 2006   7   in 2019  
Maximum Humidity   99%   59%   88%   +11%   100%   in 2018   53%   in 1954  
Minimum Humidity   90%   33%   54%   +36%   90%   in 2020   26%   in 2010  
Average Humidity   95%   46%   71%   +24%   95%   in 2020   43%   in 1954  
Maximum Barometer   30.09   30.45   30.16   -00.07   30.71   in 1927   29.45   in 1968  
Minimum Barometer   29.88   30.03   29.86   +00.02   30.47   in 1996   28.69   in 1904  
Average Barometer   29.99   30.24   30.01   -00.03   30.53   in 1996   29.22   in 1968  
Average Wind   6.2   15.3   7.8   -1.6   16.5   in 2003   1.0   in 1955  
Direction   NE   NW   WNW       W         SW        
High Wind Gust   19   33   25   -6   63   in 1904   9   in 1955  
Direction   ENE   NW   NW       NE         SE        
High Heat Index                                      
Wind Chill   39   4   32   +7             4   in 2019  
Maximum Water Temp   57.6   51.8   53.8   +3.8   57.6   in 2020   48.9   in 2010  
Minimum Water Temp   56.3   48.4   51.6   +4.7   56.3   in 2020   46.6   in 2010  
Average Water Temp   57.0   50.1   52.8   +4.2   57.0   in 2020   47.8   in 2010  
Sunrise/ AM Twilight   6:33:08 AM   6:03:33 AM            
Sunset / PM Twilight   4:26:20 PM   4:55:55 PM            
Length Of Day   9:53:12                          
Special Conditions   Fog                                  
Comments      
    November 13, 2020     Record Record
Month-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
 Avg Maximum Temperature   61.9   52.9   54.8   +7.2   64.5   in 1975   46.0   in 1894  
Avg Minimum Temperature   45.8   34.5   39.8   +6.0   47.8   in 2015   32.0   in 1976  
Average Temperature   54.2   43.8   47.5   +6.7   55.6   in 1938   39.9   in 1894  
Total Precipitation   1.74   1.18   1.93   -.19   6.68   in 1969   .00   in 1917  
Total Snow   0.0   T   0.0   +0.0   8.3   in 1987   0.0   in 2020  
Total HDD   141   275   228   -87   326   in 1894   122   in 1938  
Total CDD   0   0   0   +0   0   in         in    
Avg Maximum Dew Point   52.8   43.8   44.2   +8.6   54.2   in 2015   33.2   in 1976  
Avg Minimum Dew Point   39.7   24.2   30.8   +8.9   43.0   in 2015   20.5   in 1980  
Average  Dew Point   46.5   34.2   37.5   +9.0   48.9   in 2015   27.3   in 1976  
    November 13, 2020     Record Record
Year-to-Date Summary   Observed   2019   Normal Depart Highest Lowest
Total Precipitation   33.02   47.55   41.37   -8.35   52.79   in 1998   21.93   in 1957  
Total Snow (since Jul 1 20)   0.6   T   T   +0.6   8.3   in 1987   0.0   in 2018  
Total HDD (since Jul 1 20)   469   587   663   -194   860   in 1992   428   in 2017  
Total CDD (since Jan 1)   871   731   563   +308   871   in 2020   290   in 1902  
                                   
Hour-by-Hour Weather For November 13, 2020  
Climate Weather for November 13  
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