Portsmouth Rhode Island Weather Almanac  
Saturday, November 27, 2021  
Mostly Cloudy early then Clear, Windy and Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 27, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   40   56   49   -9   62   in 1986   27   in 1903  
Minimum Temperature   29   46   35   -6   53   in 2015   11   in 1932  
Average Temperature   35   51   42   -7   57   in 2015   20   in 1932  
 Month Avg Max Temperature   54.0   57.5   52.3   +1.7   58.5   in 1975   45.6   in 1904  
Month Avg Min Temperature   37.6   41.5   38.7   -1.1   43.7   in 2009   32.2   in 1980  
Month Average Temperature   46.0   49.7   45.5   +0.5   50.4   in 2015   39.6   in 1904  
High Heat Index                                      
Low Wind Chill   21   46   28   -7             4   in 1932  
Heating Degree Days   30   14   23   +7   45   in 1932   8   in 2015  
Month HDD   512   413   523   -11   686   in 1904   394   in 2015  
Season HDD   702   741   919   -217   1221   in 1904   702   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   28   51   41   -13   60   in 2013   12   in 1974  
Minimum Dew Point   17   44   27   -10   51   in 2015   1   in 1978  
Average  Dew Point   23   48   34   -11   54   in 2015   11   in 1974  
 Month Avg Max Dew Point   43.0   49.1   44.0   -1.0   49.1   in 2020   30.6   in 1976  
Month Avg Min Dew Point   28.9   34.0   30.5   -1.6   38.1   in 2006   20.2   in 1980  
Month Average Dew Point   36.2   41.8   37.3   -1.0   43.3   in 2006   26.5   in 1976  
Precipitation   .00   .00   .15   -.15   2.02   in 2013            
One Hour   .00   .00           .53   in 2013            
Hourly Rate   .00   .00           2.76   in 2007            
Month Precipitation   1.58   4.30   3.62   -2.04   8.89   in 1983   .18   in 1917  
Year Precipitation   45.58   35.58   40.98   +4.60   59.08   in 1983   23.36   in 1957  
Snow   0.0   0.0   0.1   -0.1   11.0   in 1898       in    
Snow Depth   0   0           4   in 1938       in    
Month Snow   0.0   0.0   0.3   -0.3   11.6   in 1898       in    
Season Snow   0.0   0.6   0.3   -0.3   11.6   in 1898       in    
    November 27, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   78%   98%   88%   -10%   100%   in 2013   56%   in 1980  
Minimum Humidity   43%   79%   56%   -13%   87%   in 2019   26%   in 1957  
Average Humidity   61%   89%   72%   -11%   93%   in 2013   43%   in 1980  
Maximum Barometer   29.88   30.06   30.14   -00.26   30.69   in 1993   29.40   in 2018  
Minimum Barometer   29.48   29.94   29.83   -00.35   30.51   in 1962   29.16   in 2009  
Average Barometer   29.68   30.00   29.98   -00.30   30.57   in 1962   29.31   in 2018  
Average Wind   12.7   2.3   7.8   +4.9   17.0   in 1972   1.1   in 2005  
Direction   WNW   NW   W       WSW         ENE        
High Wind Gust   29   8   26   +3   57   in 1898   8   in 2020  
Direction   WNW   WNW   WNW       NE         WNW        
Maximum Water Temp   51.1   53.4   50.5   +0.6   54.7   in 1999   46.2   in 2010  
Minimum Water Temp   48.2   52.5   48.6   -0.4   53.8   in 1999   44.9   in 2019  
Average Water Temp   49.7   53.0   49.6   +0.1   54.3   in 1999   45.6   in 2010  
Sunrise/ AM Twilight   6:46:45 AM   6:17:47 AM            
Sunset / PM Twilight   4:19:14 PM   4:48:13 PM            
Length Of Day   9:32:29                          
Special Conditions   None                              
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