Portsmouth Rhode Island Weather Almanac  
Tuesday, January 4, 2022  
Clear, Dry and Very Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    January 4, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   31   39   40   -9   59   in 2000   9   in 1904  
Minimum Temperature   17   31   26   -9   51   in 1950   -4   in 1981  
Average Temperature   24   35   33   -9   54   in 1950   4   in 1904  
 Month Avg Max Temperature   42.8   41.3   40.0   +2.8   55.3   in 2000   13.8   in 1918  
Month Avg Min Temperature   30.8   31.0   26.3   +4.5   39.0   in 2000   0.8   in 1918  
Month Average Temperature   37.0   36.3   33.3   +3.8   47.3   in 2000   7.5   in 1918  
High Heat Index                                      
Low Wind Chill   6   25   15   -9             -28   in 1981  
Heating Degree Days   41   30   32   +9   61   in 1904   11   in 1950  
Month HDD   112   115   127   -15   230   in 1918   71   in 2000  
Season HDD   1668   1763   1997   -329   2677   in 1918   1443   in 2016  
Cooling Degree Days   0   0   0   +0       in         in    
Month CDD   0   0   0   +0   0   in         in    
Year Cooling Degree Days                       in         in    
Maximum Dew Point   25   34   32   -7   57   in 2000   7   in 1981  
Minimum Dew Point   4   28   17   -13   46   in 1950   -24   in 1981  
Average  Dew Point   15   31   25   -10   50   in 2000   -9   in 1981  
 Month Avg Max Dew Point   31.1   31.4   32.8   -1.6   41.0   in 1979   14.3   in 1981  
Month Avg Min Dew Point   22.8   25.8   17.0   +5.8   36.3   in 2000   -10.8   in 1981  
Month Average Dew Point   27.1   28.8   25.0   +2.1   43.3   in 2000   1.8   in 1981  
Precipitation   .00   .03   .12   -.12   1.85   in 1944            
One Hour   .00   .02           .30   in 1982            
Hourly Rate   .00   .00           .71   in 2004            
Month Precipitation   .47   .42   .48   -.01   3.53   in 1919   .00   in 2013  
Year Precipitation   .47   .42   .48   -.01   3.53   in 1919   .00   in 2013  
Snow   0.0   T   0.3   -0.3   12.5   in 2018       in    
Snow Depth   0   0           19   in 1948       in    
Month Snow   T   T   1.2   -1.2   12.5   in 2018   0.0   in 2020  
Season Snow   0.8   5.2   8.3   -7.5   31.1   in 1905   T   in 2000  
    January 4, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   80%   96%   85%   -5%   100%   in 2017   44%   in 1965  
Minimum Humidity   38%   76%   56%   -18%   91%   in 2020   25%   in 2002  
Average Humidity   59%   86%   71%   -12%   95%   in 2015   37%   in 1965  
Maximum Barometer   30.39   29.96   30.11   +00.28   30.86   in 1983   29.60   in 2017  
Minimum Barometer   30.13   29.90   29.77   +00.36   30.38   in 2008   28.79   in 2018  
Average Barometer   30.26   29.93   29.94   +00.32   30.53   in 1983   29.43   in 2018  
Average Wind   6.9   8.9   8.5   -1.6   19.4   in 1951   1.9   in 1997  
Direction   NNW   N   W       SSW         N        
High Wind Gust   24   27   27   -3   56   in 1944   10   in 1956  
Direction   N   N   WNW       NE         SW        
Maximum Water Temp   45.3   44.4   42.0   +3.3   48.9   in 2007   36.1   in 2001  
Minimum Water Temp   43.2   43.5   40.1   +3.1   47.7   in 2007   33.2   in 2008  
Average Water Temp   44.3   44.0   41.1   +3.2   48.3   in 2007   35.3   in 2001  
Sunrise/ AM Twilight   7:10:09 AM   6:40:41 AM            
Sunset / PM Twilight   4:28:33 PM   4:59:53 PM            
Length Of Day   9:16:43                          
Special Conditions   None                              
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