Portsmouth Rhode Island Weather Almanac  
Monday, January 2, 2023  
Partly Cloudy early, Cloudy Day to Partly Cloudy PM, Light Winds and Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    January 2, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   46   52   40   +6   55   in 2000   12   in 1918  
Minimum Temperature   35   35   26   +9   50   in 1979   -3   in 1918  
Average Temperature   41   44   33   +8   53   in 1979   5   in 1918  
 Month Avg Max Temperature   50.0   52.5   40.0   +10.0   54.5   in 1966   12.0   in 1918  
Month Avg Min Temperature   37.0   41.5   26.5   +10.5   46.5   in 1979   -2.5   in 1918  
Month Average Temperature   44.0   47.5   33.5   +10.5   50.5   in 1979   5.0   in 1918  
High Heat Index                                      
Low Wind Chill   34   28   15   +19             -16   in 1999  
Heating Degree Days   24   21   32   -8   60   in 1918   12   in 1979  
Month HDD   42   35   63   -21   120   in 1918   29   in 1979  
Season HDD   1735   1591   1933   -198   2567   in 1918   1379   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   39   51   33   +6   54   in 2000   3   in 1999  
Minimum Dew Point   31   29   17   +14   50   in 1979   -14   in 1968  
Average  Dew Point   35   40   25   +10   52   in 1979   -5   in 1999  
 Month Avg Max Dew Point   38.5   45.3   33.0   +5.5   52.0   in 1979   9.5   in 1956  
Month Avg Min Dew Point   32.0   38.5   17.0   +15.0   46.5   in 1979   -13.0   in 1999  
Month Average Dew Point   35.3   42.0   25.0   +10.3   49.3   in 1979   -1.8   in 1999  
Precipitation   .00   .23   .12   -.12   1.32   in 1893            
One Hour   .00   .08           .27   in 1979            
Hourly Rate   .00   .14           .34   in 2021            
Month Precipitation   .14   .47   .24   -.10   2.23   in 1919   .00   in 2020  
Year Precipitation   .14   .47   .24   -.10   2.23   in 1919   .00   in 2020  
Snow   0.0   0.0   0.3   -0.3   10.4   in 1948       in    
Snow Depth   0   0           12   in 1948       in    
Month Snow   0.0   0.0   0.6   -0.6   10.8   in 1948   0.0   in 2023  
Season Snow   1.5   0.8   7.7   -6.2   27.3   in 1948   T   in 2000  
    January 2, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   90%   99%   85%   +5%   100%   in 2011   55%   in 1999  
Minimum Humidity   71%   78%   55%   +16%   93%   in 1979   30%   in 1982  
Average Humidity   81%   89%   70%   +10%   97%   in 1979   46%   in 1999  
Maximum Barometer   30.18   29.93   30.18   -00.00   30.89   in 1899   29.66   in 2010  
Minimum Barometer   30.00   29.50   29.84   +00.16   30.42   in 2005   28.98   in 1987  
Average Barometer   30.09   29.72   30.01   +00.08   30.57   in 2005   29.42   in 1987  
Average Wind   3.1   5.5   7.9   -4.8   17.0   in 2003   2.1   in 2006  
Direction   WNW   NW   NW       N ESE
High Wind Gust   14   28   26   -12   52   in 1935   10   in 1950  
Direction   NW   WNW   NW       NW N
Maximum Water Temp   44.8   48.2   42.7   +2.1   50.5   in 2007   35.9   in 2018  
Minimum Water Temp   42.4   47.5   40.5   +1.9   49.1   in 2007   32.6   in 2018  
Average Water Temp   43.6   47.9   41.6   +2.0   49.8   in 2007   34.3   in 2018  
Sunrise/ AM Twilight   7:11:46 AM   6:40:35 AM            
Sunset / PM Twilight   4:26:31 PM   4:58:09 PM            
Length Of Day   9:14:45                          
Special Conditions   None                              
Comments      
Hour-by-Hour Weather For January 2, 2023            
Climate Weather for January 2            
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