Portsmouth Rhode Island Weather Almanac  
Sunday, February 19, 2023  
Partly Cloudy to Mostly Cloudy, Light Rain/Fog PM, Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 19, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   47   40   40   +7   62   in 2017   14   in 1903  
Minimum Temperature   31   16   26   +5   43   in 2017   4   in 1923  
Average Temperature   39   28   33   +6   53   in 2017   10   in 1903  
 Month Avg Max Temperature   45.8   42.3   38.7   +7.1   45.8   in 2023   22.3   in 1979  
Month Avg Min Temperature   27.0   25.0   24.4   +2.6   30.7   in 2020   7.5   in 1979  
Month Average Temperature   36.7   33.9   32.0   +4.7   37.6   in 2020   15.1   in 1979  
High Heat Index                                      
Low Wind Chill   28   6   12   +16             -12   in 1965  
Heating Degree Days   26   37   32   -6   55   in 1903   12   in 2017  
Month HDD   538   591   627   -89   948   in 1979   521   in 2020  
Season HDD   3032   3288   3546   -514   4504   in 1918   2930   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   45   30   31   +14   46   in 2018   6   in 2007  
Minimum Dew Point   24   7   15   +9   39   in 1992   -12   in 2007  
Average  Dew Point   35   19   23   +12   41   in 1992   -3   in 2007  
 Month Avg Max Dew Point   36.3   36.8   29.5   +6.8   39.1   in 2018   3.5   in 1979  
Month Avg Min Dew Point   16.4   16.7   13.0   +3.4   22.7   in 1984   -8.6   in 1979  
Month Average Dew Point   26.5   26.7   23.0   +3.5   29.5   in 2020   -2.6   in 1979  
Precipitation   .07   .01   .13   -.06   2.04   in 1972            
One Hour   .06   .00           .49   in 1972            
Hourly Rate   .28   .00           .77   in 2013            
Month Precipitation   .48   3.95   2.26   -1.78   5.93   in 1988   .07   in 1912  
Year Precipitation   7.67   5.91   5.93   +1.74   12.38   in 1979   2.33   in 1980  
Snow   0.0   T   0.4   -0.4   6.3   in 1914       in    
Snow Depth   0   0           24   in 2015       in    
Month Snow   T   7.5   6.8   -6.8   26.4   in 2003   0.0   in 2020  
Season Snow   2.3   32.2   23.9   -21.6   61.1   in 1996   2.3   in 2023  
    February 19, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   95%   89%   84%   +11%   100%   in 2000   49%   in 1987  
Minimum Humidity   55%   44%   52%   +3%   93%   in 1991   21%   in 2007  
Average Humidity   75%   67%   68%   +7%   97%   in 1991   39%   in 2007  
Maximum Barometer   30.40   30.14   30.11   +00.29   30.66   in 1905   29.41   in 1960  
Minimum Barometer   30.00   29.80   29.76   +00.24   30.35   in 2018   28.67   in 1972  
Average Barometer   30.20   29.97   29.94   +00.26   30.47   in 2018   29.15   in 1960  
Average Wind   6.5   11.8   8.7   -2.2   21.8   in 1959   2.1   in 1995  
Direction   SSE   NW   WNW       WNW SSE
High Wind Gust   21   46   27   -6   56   in 2011   10   in 1967  
Direction   SSE   NNW   WNW       W ENE
Maximum Water Temp   42.8   41.4   38.2   +4.6   43.8   in 2012   32.7   in 2015  
Minimum Water Temp   41.5   38.8   36.3   +5.2   41.9   in 2012   31.3   in 2007  
Average Water Temp   42.2   40.1   37.3   +4.9   42.9   in 2012   32.4   in 2015  
Sunrise/ AM Twilight   6:34:58 AM   6:04:55 AM            
Sunset / PM Twilight   5:23:20 PM   5:52:56 PM            
Length Of Day   10:48:22                          
Special Conditions   Fog                                  
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Hour-by-Hour Weather For February 19, 2023            
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