Portsmouth Rhode Island Weather Almanac  
Tuesday, November 9, 2021  
Clear to Mostly Cloudy PM, Light Winds and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 9, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   66   75   54   +12   75   in 2020   36   in 1976  
Minimum Temperature   42   50   40   +2   55   in 1977   22   in 1976  
Average Temperature   54   63   47   +7   63   in 2020   29   in 1976  
 Month Avg Max Temperature   56.1   61.4   55.0   +1.1   65.7   in 1975   45.6   in 1992  
Month Avg Min Temperature   38.0   43.8   41.3   -3.3   49.7   in 1994   32.3   in 1980  
Month Average Temperature   47.2   52.9   48.2   -1.0   57.0   in 1938   39.9   in 1992  
High Heat Index                                      
Low Wind Chill   42   50   34   +8             12   in 1976  
HDD   11   2   18   -7   36   in 1976   2   in 2020  
Month HDD   160   109   151   +9   226   in 1992   72   in 1938  
Season HDD   350   437   547   -197   783   in 1992   319   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   52   52   45   +7   62   in 1989   14   in 1971  
Minimum Dew Point   38   44   32   +6   52   in 1977   1   in 2003  
Average  Dew Point   45   48   39   +6   55   in 2006   10   in 2003  
 Month Avg Max Dew Point   41.8   50.0   46.2   -4.4   55.2   in 2005   33.2   in 1998  
Month Avg Min Dew Point   30.8   36.3   33.3   -2.6   44.3   in 1977   20.9   in 2002  
Month Average Dew Point   36.6   43.3   39.9   -3.3   49.1   in 2015   29.4   in 1976  
Precipitation   .00   .00   .13   -.13   1.65   in 1989            
One Hour   .00   .00           .47   in 1989            
Hourly Rate   .00   .00           1.29   in 2018            
Month Precipitation   .01   .97   1.17   -1.16   5.60   in 1969   .00   in 2011  
Year Precipitation   44.01   32.25   38.53   +5.48   52.05   in 1998   21.93   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.0   in         in    
Snow Depth   0   0           2   in 1894       in    
Month Snow   0.0   0.0   0.0   +0.0   2.8   in 1894       in    
Season Snow   0.0   0.6   0.0   +0.0   2.8   in 1894       in    
    November 9, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   97%   93%   86%   +11%   100%   in 2011   58%   in 1951  
Minimum Humidity   51%   37%   53%   -2%   95%   in 1997   22%   in 2003  
Average Humidity   74%   65%   70%   +4%   98%   in 1997   42%   in 2003  
Maximum Barometer   30.10   30.34   30.14   -00.04   30.66   in 1992   29.56   in 2006  
Minimum Barometer   29.98   30.24   29.87   +00.11   30.53   in 2003   29.15   in 1900  
Average Barometer   30.04   30.29   30.00   +00.04   30.59   in 2003   29.46   in 2006  
Average Wind   2.8   3.3   7.1   -4.3   18.3   in 1957   1.8   in 2000  
Direction   SSW   W   NNW       WSW         SE        
High Wind Gust   14   14   24   -10   68   in 1957   11   in 1975  
Direction   SSW   SW   NW       S         SSE        
Maximum Water Temp   58.5   58.3   55.1   +3.4   58.5   in 2021   49.6   in 2010  
Minimum Water Temp   57.2   57.0   52.9   +4.3   57.2   in 2021   47.8   in 2010  
Average Water Temp   57.9   57.7   54.0   +3.8   57.9   in 2021   48.7   in 2010  
Sunrise/ AM Twilight   6:25:42 AM   5:57:55 AM            
Sunset / PM Twilight   4:32:30 PM   5:00:18 PM            
Length Of Day   10:06:48                          
Special Conditions   Fog                                  
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Hour-by-Hour Weather For November 9, 2021            
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