Portsmouth Rhode Island Weather Almanac  
Sunday, February 26, 2023  
Cloudy to Partly Cloudy PM, Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 26, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   38   30   41   -3   62   in 1957   19   in 2003  
Minimum Temperature   18   19   26   -8   43   in 2020   1   in 1928  
Average Temperature   28   25   34   -6   52   in 1957   12   in 1990  
 Month Avg Max Temperature   44.3   42.4   39.2   +5.1   45.0   in 2018   27.2   in 1979  
Month Avg Min Temperature   27.5   25.5   24.8   +2.6   30.8   in 2020   10.7   in 1934  
Month Average Temperature   36.2   34.2   32.5   +3.7   38.0   in 2018   19.6   in 1934  
High Heat Index                                      
Low Wind Chill   16   8   13   +3             -19   in 1990  
Heating Degree Days   37   40   31   +6   53   in 1990   13   in 1957  
Month HDD   750   802   845   -95   1180   in 1934   703   in 2018  
Season HDD   3244   3499   3764   -520   4755   in 1918   3093   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   33   20   32   +1   52   in 1957   4   in 1990  
Minimum Dew Point   17   12   16   +1   41   in 2020   -16   in 1970  
Average  Dew Point   25   16   24   +1   47   in 1957   -6   in 1970  
 Month Avg Max Dew Point   36.1   36.3   30.0   +6.1   40.7   in 2018   12.2   in 1979  
Month Avg Min Dew Point   17.8   16.7   13.6   +4.3   23.2   in 1984   0.2   in 1979  
Month Average Dew Point   27.2   26.5   24.0   +3.2   31.9   in 2018   6.2   in 1979  
Precipitation   .00   .00   .13   -.13   2.25   in 1979            
One Hour   .00   .00           .42   in 1979            
Hourly Rate   .00   .00           .91   in 2008            
Month Precipitation   1.43   5.69   3.17   -1.74   6.78   in 1998   .66   in 1947  
Year Precipitation   8.62   7.65   6.84   +1.78   17.08   in 1979   2.64   in 1980  
Snow   0.0   0.0   0.4   -0.4   8.3   in 1929       in    
Snow Depth   T   2           19   in 2015       in    
Month Snow   0.4   9.0   9.6   -9.2   30.4   in 1994   0.0   in 2020  
Season Snow   2.7   33.7   26.7   -24.0   62.2   in 1894   2.7   in 2023  
    February 26, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   94%   81%   83%   +11%   100%   in 2002   50%   in 1996  
Minimum Humidity   66%   50%   48%   +18%   92%   in 2000   19%   in 2004  
Average Humidity   80%   66%   65%   +15%   96%   in 2000   39%   in 1996  
Maximum Barometer   30.15   30.42   30.09   +00.06   30.99   in 1990   29.38   in 2010  
Minimum Barometer   29.73   30.18   29.76   -00.03   30.42   in 1990   28.82   in 1961  
Average Barometer   29.94   30.30   29.93   +00.01   30.71   in 1990   29.11   in 2010  
Average Wind   5.5   7.2   9.3   -3.8   19.3   in 1961   2.5   in 1973  
Direction   ENE   N   NW       NNW ENE
High Wind Gust   28   19   28   +0   49   in 1986   12   in 1993  
Direction   WSW   NW   NW       WNW N
Maximum Water Temp   40.6   39.9   38.7   +1.9   43.0   in 2017   32.2   in 2015  
Minimum Water Temp   38.7   37.8   36.9   +1.8   40.6   in 2012   31.6   in 2015  
Average Water Temp   39.7   38.9   37.8   +1.9   41.7   in 2017   31.9   in 2015  
Sunrise/ AM Twilight   6:24:39 AM   5:54:45 AM            
Sunset / PM Twilight   5:31:49 PM   6:01:04 PM            
Length Of Day   11:07:10                          
Special Conditions   None                              
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