Portsmouth Rhode Island Weather Almanac  
Monday, November 15, 2021  
Mostly Cloudy & Light Rain early, P.Cloudy Day to Clear PM, Breezy, Seasonal Temps  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 15, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   60   52   +0   68   in 1993   31   in 1996  
Minimum Temperature   40   32   38   +2   58   in 2008   21   in 1933  
Average Temperature   46   46   45   +1   62   in 2011   28   in 1996  
 Month Avg Max Temperature   56.8   61.1   54.1   +2.7   62.7   in 1975   46.1   in 1894  
Month Avg Min Temperature   39.3   44.3   40.4   -1.1   46.5   in 2015   31.9   in 1976  
Month Average Temperature   48.2   52.9   47.3   +0.9   53.9   in 1975   40.1   in 1894  
High Heat Index                                      
Low Wind Chill   34   28   33   +1             12   in 1996  
Heating Degree Days   19   19   20   -1   37   in 1996   3   in 2011  
Month HDD   252   181   265   -13   374   in 1894   167   in 1975  
Season HDD   442   509   661   -219   912   in 1992   442   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   43   58   44   -1   63   in 2008   13   in 1996  
Minimum Dew Point   30   27   30   +0   57   in 2008   5   in 2003  
Average  Dew Point   37   43   37   +0   60   in 2008   9   in 1996  
 Month Avg Max Dew Point   44.7   52.3   45.5   -0.8   52.9   in 2005   32.0   in 1976  
Month Avg Min Dew Point   31.9   38.1   32.3   -0.5   41.0   in 2015   21.0   in 1980  
Month Average Dew Point   38.5   45.5   38.9   -0.4   46.9   in 2015   26.6   in 1976  
Precipitation   .04   .32   .13   -.09   1.20   in 1906            
One Hour   .02   .27           .36   in 2016            
Hourly Rate   .00   3.24           3.24   in 2020            
Month Precipitation   .89   2.06   1.95   -1.06   7.28   in 1969   .00   in 1917  
Year Precipitation   44.89   33.34   39.31   +5.58   52.79   in 1998   22.64   in 1957  
Snow   0.0   0.0   0.0   +0.0   4.2   in 2018       in    
Snow Depth   0   0           1   in 1987       in    
Month Snow   0.0   0.0   0.0   +0.0   8.3   in 1987       in    
Season Snow   0.0   0.6   0.0   +0.0   8.3   in 1987       in    
    November 15, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   86%   94%   87%   -1%   100%   in 2016   57%   in 2003  
Minimum Humidity   57%   60%   54%   +3%   94%   in 2008   21%   in 2003  
Average Humidity   72%   77%   70%   +1%   97%   in 1970   39%   in 2003  
Maximum Barometer   29.87   30.29   30.13   -00.26   30.80   in 1996   29.54   in 1999  
Minimum Barometer   29.67   29.65   29.85   -00.18   30.60   in 1996   29.33   in 2007  
Average Barometer   29.77   29.97   29.99   -00.22   30.70   in 1996   29.47   in 1999  
Average Wind   8.3   9.3   7.7   +0.6   21.4   in 1962   2.7   in 1965  
Direction   WNW   SSE   WNW       NNW         NW        
High Wind Gust   23   44   25   -2   51   in 1906   11   in 2010  
Direction   W   S   N       NE         NE        
Maximum Water Temp   56.3   55.9   53.2   +3.1   56.6   in 2008   47.3   in 2018  
Minimum Water Temp   54.9   54.1   51.1   +3.8   55.5   in 2008   43.0   in 2018  
Average Water Temp   55.6   55.0   52.2   +3.4   56.1   in 2008   45.2   in 2018  
Sunrise/ AM Twilight   6:32:55 AM   6:04:44 AM            
Sunset / PM Twilight   4:26:53 PM   4:55:05 PM            
Length Of Day   9:53:58                          
Special Conditions   None                              
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Hour-by-Hour Weather For November 15, 2021            
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