Portsmouth Rhode Island Weather Almanac  
Friday, January 6, 2023  
Cloudy, Light Rain and Fog, Continued Humid, Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    January 6, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   39   44   39   +0   57   in 2007   9   in 1896  
Minimum Temperature   33   31   26   +7   52   in 2007   -4   in 1896  
Average Temperature   36   38   33   +3   55   in 2007   3   in 1896  
 Month Avg Max Temperature   47.7   44.5   39.8   +7.8   52.7   in 2000   18.5   in 1918  
Month Avg Min Temperature   37.3   30.7   26.2   +11.2   40.0   in 2007   4.5   in 1904  
Month Average Temperature   42.8   37.8   33.2   +9.7   46.3   in 2007   12.2   in 1918  
High Heat Index                                      
Low Wind Chill   27   27   14   +13             -21   in 1996  
Heating Degree Days   29   27   32   -3   62   in 1896   10   in 2007  
Month HDD   133   163   191   -58   317   in 1918   112   in 2007  
Season HDD   1826   1719   2061   -235   2764   in 1918   1523   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   38   41   32   +6   57   in 2007   -3   in 1959  
Minimum Dew Point   32   21   16   +16   42   in 2007   -22   in 1959  
Average  Dew Point   35   31   24   +11   50   in 2007   -13   in 1959  
 Month Avg Max Dew Point   45.5   32.3   32.5   +13.0   45.5   in 2023   13.5   in 1981  
Month Avg Min Dew Point   34.7   22.8   16.7   +18.0   34.7   in 2023   -11.3   in 1981  
Month Average Dew Point   40.2   27.7   24.7   +15.5   40.6   in 2007   1.1   in 1981  
Precipitation   .12   .00   .12   +.00   1.97   in 1929            
One Hour   .03   .00           .32   in 1962            
Hourly Rate   .09   .00           1.86   in 2007            
Month Precipitation   .82   1.07   .72   +.10   3.54   in 1919   .00   in 1946  
Year Precipitation   .82   1.07   .72   +.10   3.54   in 1919   .00   in 1946  
Snow   0.0   0.0   0.3   -0.3   3.2   in 2017       in    
Snow Depth   0   0           16   in 1948       in    
Month Snow   0.0   T   1.8   -1.8   12.5   in 2018   0.0   in 2023  
Season Snow   1.5   0.8   8.9   -7.4   32.1   in 1905   T   in 2000  
    January 6, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   98%   96%   85%   +13%   100%   in 2014   43%   in 1959  
Minimum Humidity   97%   61%   55%   +42%   97%   in 2023   22%   in 2016  
Average Humidity   98%   79%   70%   +28%   99%   in 1998   34%   in 1959  
Maximum Barometer   30.05   29.97   30.14   -00.09   30.68   in 2000   29.62   in 1954  
Minimum Barometer   29.93   29.65   29.83   +00.10   30.37   in 2016   28.86   in 1931  
Average Barometer   29.99   29.81   29.98   +00.01   30.53   in 2000   29.53   in 1954  
Average Wind   8.8   6.8   7.4   +1.4   21.7   in 1959   1.2   in 1984  
Direction   N   W   WNW       WNW SSE
High Wind Gust   20   22   24   -4   52   in 1959   12   in 2020  
Direction   NNE   WNW   WNW       WNW W
Maximum Water Temp   45.9   46.4   42.1   +3.8   51.3   in 2007   31.0   in 2018  
Minimum Water Temp   44.1   44.8   40.1   +4.0   50.2   in 2007   29.2   in 2018  
Average Water Temp   45.0   45.6   41.1   +3.9   50.7   in 2007   30.1   in 2018  
Sunrise/ AM Twilight   7:11:44 AM   6:40:39 AM            
Sunset / PM Twilight   4:30:13 PM   5:01:42 PM            
Length Of Day   9:18:29                          
Special Conditions   Fog                                  
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