Portsmouth Rhode Island Weather Almanac  
Saturday, February 25, 2023  
Partly Cloudy early then Cloudy, Light Snow & Fog, Bitter Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 25, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   22   34   41   -19   61   in 2017   19   in 1934  
Minimum Temperature   16   22   26   -10   46   in 2017   4   in 1914  
Average Temperature   19   28   34   -15   54   in 2017   13   in 1934  
 Month Avg Max Temperature   44.6   42.9   39.2   +5.4   44.9   in 1990   26.8   in 1979  
Month Avg Min Temperature   27.8   25.8   24.8   +3.0   30.5   in 1925   10.6   in 1934  
Month Average Temperature   36.5   34.5   32.4   +4.0   37.7   in 2018   19.6   in 1934  
High Heat Index                                      
Low Wind Chill   4   13   14   -10             -10   in 1993  
Heating Degree Days   46   37   31   +15   52   in 1934   11   in 2017  
Month HDD   713   762   814   -101   1136   in 1934   682   in 2018  
Season HDD   3207   3459   3733   -526   4727   in 1918   3061   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   18   33   32   -14   56   in 2016   -1   in 1993  
Minimum Dew Point   2   17   15   -13   45   in 2017   -12   in 1982  
Average  Dew Point   10   25   24   -14   50   in 2017   -4   in 1982  
 Month Avg Max Dew Point   36.2   36.9   30.0   +6.3   40.8   in 2018   11.4   in 1979  
Month Avg Min Dew Point   17.9   16.8   13.5   +4.4   23.7   in 1984   -1.0   in 1979  
Month Average Dew Point   27.2   26.9   24.0   +3.2   31.8   in 2018   5.2   in 1979  
Precipitation   .05   .79   .13   -.08   2.57   in 1916            
One Hour   .00   .00           .48   in 2011            
Hourly Rate   .00   .00           8.60   in 2016            
Month Precipitation   1.41   5.69   3.04   -1.63   6.78   in 1998   .66   in 1947  
Year Precipitation   8.60   7.65   6.71   +1.89   14.83   in 1979   2.64   in 1980  
Snow   0.4   1.5   0.4   +0.0   9.2   in 1999       in    
Snow Depth   0   0           17   in 2015       in    
Month Snow   0.4   9.0   9.2   -8.8   28.2   in 2015   0.0   in 2020  
Season Snow   2.7   33.7   26.3   -23.6   61.1   in 1996   2.7   in 2023  
    February 25, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   94%   97%   85%   +9%   100%   in 2017   37%   in 1982  
Minimum Humidity   49%   67%   52%   -3%   93%   in 2010   16%   in 1996  
Average Humidity   72%   82%   69%   +3%   97%   in 2010   30%   in 1982  
Maximum Barometer   30.53   30.43   30.08   +00.45   30.58   in 1962   29.49   in 1984  
Minimum Barometer   30.15   29.84   29.68   +00.47   30.33   in 1962   28.74   in 2010  
Average Barometer   30.34   30.14   29.88   +00.46   30.46   in 1962   29.22   in 2010  
Average Wind   5.3   7.6   9.8   -4.5   22.4   in 1956   2.5   in 1980  
Direction   N   NNW   WNW       W NNW
High Wind Gust   22   25   30   -8   62   in 1909   10   in 1952  
Direction   NNW   NNW   NW       NW NW
Maximum Water Temp   41.2   40.8   38.9   +2.3   43.8   in 2012   32.5   in 2015  
Minimum Water Temp   39.0   37.9   36.8   +2.2   42.0   in 2012   31.8   in 2015  
Average Water Temp   40.1   39.4   37.9   +2.2   42.9   in 2012   32.2   in 2015  
Sunrise/ AM Twilight   6:26:10 AM   5:56:15 AM            
Sunset / PM Twilight   5:30:37 PM   5:59:55 PM            
Length Of Day   11:04:27                          
Special Conditions   Fog                                  
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Hour-by-Hour Weather For February 25, 2023            
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