Portsmouth Rhode Island Weather Almanac  
Wednesday, November 10, 2021  
Mostly Cloudy early, Partly Cloudy Day & Windy to Clear PM, Continued Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 10, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   63   68   53   +10   71   in 1999   38   in 1914  
Minimum Temperature   43   53   40   +3   58   in 1999   23   in 1956  
Average Temperature   53   61   47   +6   65   in 1999   32   in 1956  
 Month Avg Max Temperature   56.8   62.1   54.8   +2.0   65.4   in 1975   45.3   in 1992  
Month Avg Min Temperature   38.5   44.7   41.2   -2.7   48.3   in 1994   32.4   in 1980  
Month Average Temperature   47.8   53.7   48.1   -0.3   56.7   in 1975   39.3   in 1992  
High Heat Index                                      
Low Wind Chill   43   53   34   +9             12   in 2017  
HDD   12   4   18   -6   33   in 1956   0   in 1999  
Month HDD   172   113   169   +3   257   in 1992   83   in 1975  
Season HDD   362   441   565   -203   814   in 1992   344   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   50   60   45   +5   62   in 1979   18   in 1973  
Minimum Dew Point   34   49   32   +2   55   in 2011   -4   in 1956  
Average  Dew Point   42   55   38   +4   58   in 2011   8   in 1956  
 Month Avg Max Dew Point   42.6   51.0   46.1   -3.5   55.7   in 2005   34.5   in 1998  
Month Avg Min Dew Point   31.1   37.6   33.2   -2.1   44.9   in 1977   20.5   in 1965  
Month Average Dew Point   37.1   44.5   39.7   -2.6   49.0   in 2015   29.0   in 1973  
Precipitation   .00   .00   .13   -.13   1.86   in 2000            
One Hour   .00   .00           .62   in 2000            
Hourly Rate   .00   .00           3.33   in 2011            
Month Precipitation   .01   .97   1.30   -1.29   6.02   in 1969   .00   in 1917  
Year Precipitation   44.01   32.25   38.66   +5.35   52.22   in 1898   21.93   in 1957  
Snow   0.0   0.0   0.0   +0.0   T   in 1976       in    
Snow Depth   0   0           1   in 1894       in    
Month Snow   0.0   0.0   0.0   +0.0   2.8   in 1894       in    
Season Snow   0.0   0.6   0.0   +0.0   2.8   in 1894       in    
    November 10, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   93%   97%   89%   +4%   100%   in 2002   51%   in 1956  
Minimum Humidity   41%   75%   55%   -14%   92%   in 2011   20%   in 1956  
Average Humidity   67%   86%   72%   -5%   96%   in 2000   36%   in 1956  
Maximum Barometer   30.23   30.24   30.16   +00.07   30.68   in 1954   29.65   in 1958  
Minimum Barometer   29.94   30.12   29.85   +00.09   30.42   in 2004   29.30   in 1990  
Average Barometer   30.09   30.18   30.00   +00.08   30.53   in 1992   29.52   in 1980  
Average Wind   4.8   7.0   7.7   -2.9   19.9   in 1969   1.9   in 1965  
Direction   NNW   SW   N       NE         WNW        
High Wind Gust   24   27   26   -2   47   in 1985   12   in 1965  
Direction   NNW   SW   SW       SW         N        
Maximum Water Temp   59.2   58.5   54.9   +4.3   59.2   in 2021   49.6   in 2010  
Minimum Water Temp   58.1   57.4   52.9   +5.2   58.1   in 2021   46.4   in 2004  
Average Water Temp   58.7   58.0   53.9   +4.7   58.7   in 2021   49.0   in 2010  
Sunrise/ AM Twilight   6:26:55 AM   5:59:03 AM            
Sunset / PM Twilight   4:31:30 PM   4:59:21 PM            
Length Of Day   10:04:35                          
Special Conditions   None                              
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