Portsmouth Rhode Island Weather Almanac  
Sunday, November 7, 2021  
Clear early, Partly Cloudy Day to Mostly Cloudy PM, Continued Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 7, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   54   74   54   +0   74   in 2020   38   in 1893  
Minimum Temperature   34   50   41   -7   58   in 1938   27   in 1931  
Average Temperature   44   62   48   -4   64   in 1938   33   in 1931  
 Month Avg Max Temperature   54.0   57.9   55.3   -1.3   65.1   in 1975   47.1   in 2002  
Month Avg Min Temperature   37.0   42.4   41.7   -4.7   50.6   in 2015   32.1   in 1951  
Month Average Temperature   45.7   50.4   48.6   -2.9   57.6   in 2015   40.9   in 2002  
High Heat Index                                      
Low Wind Chill   33   50   35   -2             18   in 1987  
HDD   21   3   17   +4   32   in 1931   1   in 1938  
Month HDD   135   102   115   +20   169   in 2002   52   in 2015  
Season HDD   325   430   511   -186   722   in 1895   275   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   39   55   46   -7   63   in 1951   23   in 1960  
Minimum Dew Point   31   46   33   -2   53   in 2008   4   in 2002  
Average  Dew Point   35   51   39   -4   56   in 2008   18   in 1960  
 Month Avg Max Dew Point   40.7   49.1   44.8   -4.1   57.7   in 2015   33.4   in 1998  
Month Avg Min Dew Point   29.7   34.1   31.6   -1.9   46.7   in 2015   19.4   in 2002  
Month Average Dew Point   35.6   41.9   38.2   -2.7   52.4   in 2015   28.3   in 1965  
Precipitation   .00   .00   .13   -.13   1.78   in 1951            
One Hour   .00   .00           .48   in 1951            
Hourly Rate   .00   .00           .44   in 2013            
Month Precipitation   .01   .97   .91   -.90   5.49   in 1951   .00   in 2011  
Year Precipitation   44.01   32.25   38.27   +5.74   52.05   in 1998   21.37   in 1957  
Snow   0.0   0.0   0.0   +0.0   T   in 2012       in    
Snow Depth   0   0           1   in 1894       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 7, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   95%   96%   88%   +7%   100%   in 2013   62%   in 1958  
Minimum Humidity   45%   45%   56%   -11%   93%   in 1963   22%   in 2002  
Average Humidity   70%   71%   72%   -2%   97%   in 1963   48%   in 1958  
Maximum Barometer   30.29   30.25   30.14   +00.15   30.67   in 1986   29.57   in 1981  
Minimum Barometer   30.08   30.18   29.83   +00.25   30.25   in 2016   29.13   in 1981  
Average Barometer   30.19   30.22   29.98   +00.20   30.45   in 1986   29.35   in 1981  
Average Wind   2.8   4.4   7.7   -4.9   22.0   in 1953   1.8   in 1979  
Direction   N   WNW   WNW       ENE         SW        
High Wind Gust   11   20   25   -14   54   in 1953   10   in 1991  
Direction   N   SW   WNW       ENE         NNW        
Maximum Water Temp   59.0   57.9   55.6   +3.4   59.7   in 2017   50.9   in 2010  
Minimum Water Temp   57.6   56.8   53.7   +3.9   58.3   in 2015   48.7   in 2010  
Average Water Temp   58.3   57.4   54.7   +3.6   58.9   in 2015   49.8   in 2010  
Sunrise/ AM Twilight   6:23:17 AM   5:55:37 AM            
Sunset / PM Twilight   4:34:37 PM   5:02:16 PM            
Length Of Day   10:11:20                          
Special Conditions   Fog                                  
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