Portsmouth Rhode Island Weather Almanac  
Thursday, November 4, 2021  
Partly Cloudy to Mostly Cloudy PM, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 4, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   58   55   -3   73   in 1990   44   in 1926  
Minimum Temperature   34   33   42   -8   58   in 1982   30   in 2013  
Average Temperature   43   46   49   -6   65   in 1975   38   in 2013  
 Month Avg Max Temperature   55.3   50.3   55.8   -0.5   69.5   in 1982   46.5   in 2002  
Month Avg Min Temperature   39.5   34.5   42.3   -2.8   54.8   in 1982   30.3   in 1980  
Month Average Temperature   47.5   42.8   49.0   -1.5   62.3   in 1982   39.3   in 2002  
High Heat Index                                      
Low Wind Chill   30   28   38   -8             21   in 1989  
HDD   22   19   16   +6   27   in 2013   0   in 1975  
Month HDD   70   89   64   +6   103   in 2002   11   in 1982  
Season HDD   260   417   460   -200   677   in 1895   242   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   51   47   -8   65   in 1982   26   in 1973  
Minimum Dew Point   26   20   34   -8   57   in 1982   14   in 1989  
Average  Dew Point   33   36   40   -7   61   in 1982   23   in 1989  
 Month Avg Max Dew Point   43.3   43.0   45.2   -1.9   59.8   in 1982   32.3   in 1964  
Month Avg Min Dew Point   31.5   22.5   32.1   -0.6   53.3   in 1982   16.0   in 1965  
Month Average Dew Point   37.8   33.0   38.6   -0.9   56.5   in 1982   25.3   in 2002  
Precipitation   .00   .00   .13   -.13   2.35   in 1910            
One Hour   .00   .00           .44   in 1955            
Hourly Rate   .00   .00           4.48   in 2004            
Month Precipitation   .01   .97   .52   -.51   3.99   in 1897   .00   in 2016  
Year Precipitation   44.01   32.25   37.88   +6.13   52.05   in 1998   21.35   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.0   in         in    
Snow Depth   0   0           0   in         in    
Month Snow   0.0   0.0   0.0   +0.0   T   in 2014       in    
Season Snow   0.0   0.6   0.0   +0.0   0.7   in 1979       in    
    November 4, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   88%   87%   87%   +1%   100%   in 2010   43%   in 1953  
Minimum Humidity   43%   55%   53%   -10%   93%   in 1969   29%   in 1981  
Average Humidity   66%   71%   70%   -4%   97%   in 1969   38%   in 1953  
Maximum Barometer   30.37   30.52   30.16   +00.21   30.68   in 2013   29.70   in 1949  
Minimum Barometer   30.26   30.38   29.84   +00.42   30.38   in 2020   29.08   in 1927  
Average Barometer   30.32   30.45   30.00   +00.31   30.53   in 2013   29.55   in 1949  
Average Wind   5.4   7.0   7.1   -1.7   16.7   in 1973   1.7   in 2008  
Direction   NNW   SW   SW       WNW         SW        
High Wind Gust   16   23   24   -8   49   in 1927   10   in 1968  
Direction   ENE   S   NW       SE         E        
Maximum Water Temp   58.8   55.2   56.4   +2.4   61.0   in 2017   52.0   in 2010  
Minimum Water Temp   57.4   52.2   54.3   +3.1   58.2   in 2017   50.0   in 1996  
Average Water Temp   58.1   53.7   55.3   +2.8   59.6   in 2017   51.0   in 1996  
Sunrise/ AM Twilight   7:19:40 AM   6:52:12 AM            
Sunset / PM Twilight   5:37:59 PM   6:05:27 PM            
Length Of Day   10:18:19                          
Special Conditions   None                              
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