Portsmouth Rhode Island Weather Almanac  
Monday, November 1, 2021  
Clear and Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2021
    November 1, 2021   Record   Record  
Observed Daily Data   2021   2020   Norm   Depart   Highest   Lowest  
Maximum Temperature   61   53   56   +5   73   in 1982   42   in 1992  
Minimum Temperature   44   38   43   +1   60   in 2013   30   in 1975  
Average Temperature   53   46   49   +4   65   in 1982   37   in 1992  
 Month Avg Max Temperature   61.0   53.0   56.0   +5.0   73.0   in 1982   42.0   in 1992  
Month Avg Min Temperature   44.0   38.0   43.0   +1.0   60.0   in 2013   30.0   in 1975  
Month Average Temperature   53.0   46.0   49.0   +4.0   65.0   in 1982   37.0   in 1992  
High Heat Index                                      
Low Wind Chill   43   37   41   +2             24   in 1992  
HDD   12   19   16   -4   28   in 1992   0   in 1982  
Month HDD   12   19   16   -4   28   in 1992   0   in 1982  
Season HDD   202   347   412   -210   604   in 1895   202   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   51   51   47   +4   66   in 2019   30   in 1964  
Minimum Dew Point   35   36   35   +0   59   in 1956   16   in 1992  
Average  Dew Point   43   44   41   +2   62   in 1956   24   in 1985  
 Month Avg Max Dew Point   51.0   51.0   45.5   +5.5   66.0   in 2019   30.0   in 1964  
Month Avg Min Dew Point   35.0   36.0   32.5   +2.5   59.0   in 1956   16.0   in 1992  
Month Average Dew Point   43.0   44.0   39.0   +4.0   62.0   in 1956   24.0   in 1985  
Precipitation   .00   .97   .13   -.13   1.79   in 1940            
One Hour   .00   .61           .61   in 2020            
Hourly Rate   .00   1.58           1.58   in 2020            
Month Precipitation   .00   .97   .13   -.13   1.79   in 1940   .00   in 2021  
Year Precipitation   44.00   32.25   37.49   +6.51   52.05   in 1998   20.61   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.0   in         in    
Snow Depth   0   0           0   in         in    
Month Snow   0.0   0.0   0.0   +0.0   0.0   in         in    
Season Snow   0.0   0.6   0.0   +0.0   0.7   in 1979       in    
    November 1, 2021     Record Record
Observed Daily Data   2021   2020   Norm   Depart   Highest Lowest
Maximum Humidity   89%   97%   90%   -1%   100%   in 2001   51%   in 1952  
Minimum Humidity   39%   64%   57%   -18%   95%   in 1994   24%   in 1985  
Average Humidity   64%   81%   74%   -10%   98%   in 1994   43%   in 1952  
Maximum Barometer   30.17   30.40   30.17   +00.00   30.70   in 1983   29.52   in 1973  
Minimum Barometer   29.73   29.54   29.86   -00.13   30.35   in 1995   29.05   in 1973  
Average Barometer   29.95   29.97   30.02   -00.07   30.52   in 1983   29.29   in 1973  
Average Wind   6.7   5.0   7.4   -0.7   15.9   in 1951   1.7   in 2006  
Direction   WNW   NW   SW       NE         SSE        
High Wind Gust   27   35   25   +2   50   in 1997   11   in 2016  
Direction   WNW   NW   SW       E         SW        
Maximum Water Temp   61.9   57.7   57.6   +4.3   61.9   in 2021   52.8   in 2010  
Minimum Water Temp   60.8   55.8   55.9   +4.9   60.8   in 2021   50.5   in 2010  
Average Water Temp   61.4   56.8   56.7   +4.7   61.4   in 2021   51.6   in 2010  
Sunrise/ AM Twilight   7:16:04 AM   6:48:47 AM            
Sunset / PM Twilight   5:41:34 PM   6:08:51 PM            
Length Of Day   10:25:30                          
Special Conditions   None                              
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