Portsmouth Rhode Island Weather Almanac  
Sunday, November 14, 2021  
Clear early, Partly Cloudy Day to Cloudy PM, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 14, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   51   52   +0   67   in 2005   34   in 1942  
Minimum Temperature   39   37   39   +0   56   in 2011   18   in 1905  
Average Temperature   46   44   45   +1   60   in 1951   29   in 1986  
 Month Avg Max Temperature   57.1   61.1   54.2   +2.9   63.9   in 1975   45.9   in 1894  
Month Avg Min Temperature   39.2   45.2   40.6   -1.4   47.1   in 2015   32.1   in 1976  
Month Average Temperature   48.4   53.4   47.4   +0.9   55.0   in 1938   39.9   in 1894  
High Heat Index                                      
Low Wind Chill   33   33   33   +0             8   in 1986  
HDD   19   21   19   +0   36   in 1986   5   in 1951  
Month HDD   233   162   245   -12   351   in 1894   140   in 1938  
Season HDD   423   490   641   -218   885   in 1992   423   in 2021  
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   43   40   44   -1   62   in 2009   20   in 1996  
Minimum Dew Point   31   29   30   +1   54   in 2009   0   in 1986  
Average  Dew Point   37   35   37   +0   58   in 2009   10   in 1986  
 Month Avg Max Dew Point   44.8   51.9   45.6   -0.8   52.9   in 2015   32.5   in 1976  
Month Avg Min Dew Point   32.0   38.9   32.5   -0.5   41.9   in 1969   21.1   in 1980  
Month Average Dew Point   38.6   45.6   39.1   -0.4   47.6   in 2015   26.9   in 1976  
Precipitation   .00   .00   .13   -.13   1.89   in 1972            
One Hour   .00   .00           .40   in 1995            
Hourly Rate   .00   .00           3.95   in 2009            
Month Precipitation   .85   1.74   1.82   -.97   7.25   in 1969   .00   in 1917  
Year Precipitation   44.85   33.02   39.18   +5.67   52.79   in 1998   21.93   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.2   in 2014       in    
Snow Depth   0   0           3   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 14, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   82%   91%   87%   -5%   100%   in 2008   56%   in 1990  
Minimum Humidity   48%   54%   55%   -7%   92%   in 2008   26%   in 1990  
Average Humidity   65%   73%   71%   -6%   96%   in 2008   41%   in 1990  
Maximum Barometer   29.93   30.25   30.16   -00.23   30.66   in 1986   29.58   in 1975  
Minimum Barometer   29.77   29.93   29.85   -00.08   30.52   in 1996   29.15   in 1975  
Average Barometer   29.85   30.09   30.01   -00.16   30.56   in 1996   29.37   in 1975  
Average Wind   7.2   8.2   8.4   -1.2   21.6   in 2003   2.1   in 1960  
Direction   W   NW   WNW       W         SSE        
High Wind Gust   22   25   26   -4   53   in 2003   13   in 1960  
Direction   SW   NNW   SW       WSW         SSE        
Maximum Water Temp   57.6   56.5   53.6   +4.0   57.6   in 2021   48.6   in 2010  
Minimum Water Temp   54.7   54.7   51.4   +3.3   55.2   in 2006   45.6   in 2004  
Average Water Temp   56.2   55.6   52.5   +3.7   56.2   in 2021   47.4   in 2004  
Sunrise/ AM Twilight   6:31:44 AM   6:03:36 AM            
Sunset / PM Twilight   4:27:45 PM   4:55:53 PM            
Length Of Day   9:56:01                          
Special Conditions   None                              
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