Portsmouth Rhode Island Weather Almanac  
Saturday, November 6, 2021  
Clear, Light Winds and Continued Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 6, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   65   55   -3   70   in 1948   39   in 1962  
Minimum Temperature   33   54   41   -8   61   in 2015   26   in 1951  
Average Temperature   43   60   48   -5   64   in 1948   34   in 1951  
 Month Avg Max Temperature   54.0   55.2   55.5   -1.5   66.0   in 1990   47.3   in 2002  
Month Avg Min Temperature   37.5   41.2   41.8   -4.3   51.5   in 1994   31.2   in 1980  
Month Average Temperature   46.0   48.5   48.7   -2.7   57.7   in 1982   40.2   in 1908  
High Heat Index                                      
Low Wind Chill   32   53   37   -5             19   in 1987  
HDD   22   5   17   +5   31   in 1951   1   in 1948  
Month HDD   114   99   98   +16   149   in 1908   44   in 1982  
Season HDD   304   427   494   -190   710   in 1895   258   in 2017  
CDD   0   0   0   +0       in         in    
Month CDD   0   0   0   +0   0   in         in    
Year CDD   795   871   609   +186   871   in 2020   290   in 1902  
Maximum Dew Point   36   58   46   -10   64   in 2015   23   in 1973  
Minimum Dew Point   27   52   33   -6   60   in 2015   7   in 1987  
Average  Dew Point   32   55   40   -8   62   in 2015   20   in 1987  
 Month Avg Max Dew Point   41.0   48.2   45.0   -4.0   57.2   in 2015   33.3   in 1998  
Month Avg Min Dew Point   29.5   32.2   31.8   -2.3   48.3   in 2015   15.8   in 1965  
Month Average Dew Point   35.7   40.3   38.4   -2.7   53.0   in 2015   25.6   in 1965  
Precipitation   .00   .00   .13   -.13   2.25   in 1907            
One Hour   .00   .00           .43   in 1985            
Hourly Rate   .00   .00           1.86   in 2018            
Month Precipitation   .01   .97   .78   -.77   4.75   in 1969   .00   in 2012  
Year Precipitation   44.01   32.25   38.14   +5.87   52.05   in 1998   21.37   in 1957  
Snow   0.0   0.0   0.0   +0.0   1.3   in 1894       in    
Snow Depth   0   0           0   in         in    
Month Snow   0.0   0.0   0.0   +0.0   1.3   in 1894       in    
Season Snow   0.0   0.6   0.0   +0.0   1.3   in 1894       in    
    November 6, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   93%   95%   88%   +5%   100%   in 2018   63%   in 1999  
Minimum Humidity   40%   77%   58%   -18%   94%   in 2015   26%   in 1999  
Average Humidity   67%   86%   73%   -6%   97%   in 2018   45%   in 1999  
Maximum Barometer   30.44   30.32   30.13   +00.31   30.75   in 1951   29.57   in 1952  
Minimum Barometer   30.29   30.18   29.82   +00.47   30.40   in 1996   28.93   in 1907  
Average Barometer   30.37   30.25   29.97   +00.39   30.57   in 1951   29.44   in 1969  
Average Wind   2.4   7.5   7.5   -5.1   18.7   in 1987   2.4   in 2021  
Direction   WNW   SW   WNW       WNW         WNW        
High Wind Gust   10   25   24   -14   54   in 1894   10   in 2021  
Direction   SSE   SW   NW       NNE         SSE        
Maximum Water Temp   58.8   57.6   55.7   +3.1   60.2   in 2017   52.0   in 1998  
Minimum Water Temp   57.7   56.5   54.2   +3.5   59.3   in 2017   50.5   in 1998  
Average Water Temp   58.3   57.1   55.0   +3.3   59.8   in 2017   51.3   in 1998  
Sunrise/ AM Twilight   7:22:05 AM   6:54:29 AM            
Sunset / PM Twilight   5:35:42 PM   6:03:18 PM            
Length Of Day   10:13:37                          
Special Conditions   None                              
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