Portsmouth Rhode Island Weather Almanac  
Wednesday, November 24, 2021  
Clear, Windy, Dry and Contined Very Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 24, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   42   44   49   -7   66   in 1931   31   in 2013  
Minimum Temperature   27   32   36   -9   53   in 1999   8   in 1897  
Average Temperature   35   38   43   -8   60   in 1931   20   in 1897  
 Month Avg Max Temperature   54.9   57.5   52.8   +2.1   59.9   in 1975   46.6   in 1933  
Month Avg Min Temperature   38.3   41.3   39.1   -0.8   43.9   in 1948   32.1   in 1980  
Month Average Temperature   46.8   49.7   46.0   +0.8   51.0   in 1975   39.6   in 1933  
High Heat Index                                      
Low Wind Chill   14   26   28   -14             5   in 1897  
Heating Degree Days   30   27   22   +8   45   in 1897   5   in 1931  
Month HDD   438   368   454   -16   609   in 1933   336   in 1975  
Season HDD   628   696   850   -222   1132   in 1992   628   in 2021  
Cooling Degree Days   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   20   30   42   -22   62   in 2014   8   in 1956  
Minimum Dew Point   13   21   27   -14   53   in 1999   -1   in 2013  
Average  Dew Point   17   26   34   -17   56   in 1999   5   in 1956  
 Month Avg Max Dew Point   43.8   48.6   44.4   -0.6   49.0   in 2015   29.8   in 1976  
Month Avg Min Dew Point   29.8   33.5   30.9   -1.1   38.3   in 2006   20.5   in 1980  
Month Average Dew Point   37.1   41.3   37.7   -0.6   43.5   in 2006   25.8   in 1976  
Precipitation   .00   .00   .14   -.14   2.14   in 1923            
One Hour   .00   .00           .32   in 1961            
Hourly Rate   .00   .00           2.11   in 2019            
Month Precipitation   1.31   3.43   3.19   -1.88   8.03   in 1969   .18   in 1917  
Year Precipitation   45.31   34.71   40.55   +4.76   56.21   in 1983   23.35   in 1957  
Snow   0.0   0.0   0.0   +0.0   1.5   in 1936       in    
Snow Depth   0   0           8   in 1989       in    
Month Snow   0.0   0.0   0.0   +0.0   9.8   in 1897       in    
Season Snow   0.0   0.6   0.0   +0.0   9.8   in 1897       in    
    November 24, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   66%   78%   87%   -21%   100%   in 2016   51%   in 1956  
Minimum Humidity   33%   45%   57%   -24%   96%   in 1999   23%   in 1994  
Average Humidity   50%   62%   72%   -23%   98%   in 1999   39%   in 1994  
Maximum Barometer   30.24   30.46   30.15   +00.09   30.70   in 1971   29.61   in 2005  
Minimum Barometer   30.07   30.01   29.84   +00.23   30.36   in 2001   29.04   in 2019  
Average Barometer   30.16   30.24   29.99   +00.16   30.45   in 1971   29.41   in 2019  
Average Wind   12.2   8.5   7.9   +4.3   19.7   in 2013   1.2   in 1964  
Direction   NNW   NW   WNW       WNW         SSE        
High Wind Gust   30   25   25   +5   71   in 1901   11   in 1960  
Direction   NNW   NW   WNW       NE         S        
Maximum Water Temp   51.6   52.7   50.4   +1.2   55.0   in 1999   45.7   in 2018  
Minimum Water Temp   49.5   50.2   47.9   +1.6   54.0   in 1999   41.2   in 2018  
Average Water Temp   50.6   51.5   49.2   +1.3   54.5   in 1999   43.5   in 2018  
Sunrise/ AM Twilight   6:43:26 AM   6:14:38 AM            
Sunset / PM Twilight   4:20:40 PM   4:49:28 PM            
Length Of Day   9:37:14                          
Special Conditions   None                              
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