Portsmouth Rhode Island Weather Almanac  
Saturday, January 28, 2023  
Partly Cloudy and Very Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    January 28, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   52   33   37   +15   56   in 1974   15   in 1925  
Minimum Temperature   32   28   23   +9   40   in 2018   -1   in 1935  
Average Temperature   42   31   30   +12   46   in 2002   10   in 1925  
 Month Avg Max Temperature   44.5   37.2   38.1   +6.4   45.7   in 1913   28.0   in 2004  
Month Avg Min Temperature   32.9   20.8   24.3   +8.6   32.9   in 2023   12.1   in 1982  
Month Average Temperature   38.9   29.3   31.3   +7.6   39.0   in 1932   21.5   in 1970  
High Heat Index                                      
Low Wind Chill   26   21   10   +16             -18   in 2003  
Heating Degree Days   23   34   35   -12   55   in 1925   19   in 2002  
Month HDD   731   1001   945   -214   1217   in 1970   727   in 1932  
Season HDD   2424   2557   2815   -391   3640   in 1918   2215   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   35   28   27   +8   52   in 1976   -1   in 1971  
Minimum Dew Point   25   17   11   +14   37   in 2018   -11   in 2003  
Average  Dew Point   30   23   19   +11   42   in 2018   -6   in 1971  
 Month Avg Max Dew Point   39.4   30.0   30.2   +9.2   39.4   in 2023   15.3   in 1981  
Month Avg Min Dew Point   27.8   9.3   14.1   +13.7   27.8   in 2023   -1.6   in 1982  
Month Average Dew Point   33.8   14.6   22.3   +11.5   33.8   in 2023   7.1   in 1981  
Precipitation   .00   .05   .11   -.11   1.44   in 1976            
One Hour   .00   .00           .42   in 2009            
Hourly Rate   .00   .00           3.33   in 2009            
Month Precipitation   7.07   2.88   3.34   +3.73   12.04   in 1979   .78   in 1955  
Year Precipitation   7.07   2.88   3.34   +3.73   12.04   in 1979   .78   in 1955  
Snow   0.0   0.6   0.3   -0.3   13.7   in 1897       in    
Snow Depth   0   0           27   in 2005       in    
Month Snow   0.8   5.8   9.1   -8.3   33.8   in 2005   T   in 1950  
Season Snow   2.3   6.6   16.2   -13.9   46.0   in 2005   0.8   in 2007  
    January 28, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   87%   95%   82%   +5%   100%   in 2018   44%   in 1962  
Minimum Humidity   44%   52%   50%   -6%   92%   in 1952   22%   in 1990  
Average Humidity   66%   74%   66%   -0%   94%   in 1973   37%   in 2014  
Maximum Barometer   30.32   30.21   30.11   +00.21   30.85   in 1937   29.22   in 1979  
Minimum Barometer   30.17   29.95   29.79   +00.38   30.56   in 2005   28.96   in 1979  
Average Barometer   30.25   30.08   29.95   +00.29   30.65   in 2005   29.09   in 1979  
Average Wind   6.8   5.3   8.5   -1.7   22.7   in 1966   2.1   in 2011  
Direction   WSW   W   WNW       WNW WNW
High Wind Gust   31   19   27   +4   52   in 1966   13   in 2016  
Direction   SSW   N   WNW       WNW SSE
Maximum Water Temp   42.8   39.0   39.0   +3.8   44.8   in 2007   34.5   in 2005  
Minimum Water Temp   41.9   36.7   36.8   +5.1   43.3   in 2012   30.4   in 2005  
Average Water Temp   42.4   37.9   37.9   +4.5   43.8   in 2012   32.5   in 2005  
Sunrise/ AM Twilight   7:00:45 AM   6:30:49 AM            
Sunset / PM Twilight   4:55:37 PM   5:25:36 PM            
Length Of Day   9:54:52                          
Special Conditions   None                              
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Hour-by-Hour Weather For January 28, 2023            
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