Portsmouth Rhode Island Weather Almanac  
Wednesday, February 22, 2023  
Clear early, Mostly Cloudy Day to Cloudy and Light Rain & Fog PM, Mild  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 22, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   43   53   41   +2   58   in 1990   18   in 1963  
Minimum Temperature   34   35   26   +8   41   in 1996   4   in 1918  
Average Temperature   39   44   34   +5   49   in 1954   13   in 1963  
 Month Avg Max Temperature   46.1   42.8   38.9   +7.2   46.1   in 2023   25.0   in 1979  
Month Avg Min Temperature   28.4   25.5   24.6   +3.7   30.1   in 1960   9.7   in 1979  
Month Average Temperature   37.5   34.4   32.2   +5.3   37.5   in 2023   17.5   in 1979  
High Heat Index                                      
Low Wind Chill   27   33   16   +11             -13   in 1963  
Heating Degree Days   26   21   31   -5   52   in 1963   16   in 1954  
Month HDD   605   674   721   -116   1044   in 1979   605   in 2023  
Season HDD   3099   3371   3640   -541   4636   in 1918   2994   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   37   51   31   +6   54   in 1989   -5   in 1963  
Minimum Dew Point   26   35   15   +11   39   in 1996   -14   in 1999  
Average  Dew Point   32   43   23   +9   46   in 1989   -9   in 1963  
 Month Avg Max Dew Point   37.0   37.1   29.7   +7.3   40.7   in 2018   7.7   in 1979  
Month Avg Min Dew Point   18.1   17.3   13.3   +4.9   22.7   in 1984   -5.2   in 1979  
Month Average Dew Point   27.8   27.2   23.0   +4.8   31.1   in 2018   1.3   in 1979  
Precipitation   .11   .95   .13   -.02   1.89   in 1904            
One Hour   .03   .29           .46   in 2003            
Hourly Rate   .06   .99           .99   in 2022            
Month Precipitation   .98   4.90   2.65   -1.67   6.50   in 1898   .56   in 2012  
Year Precipitation   8.17   6.86   6.32   +1.85   12.91   in 1979   2.64   in 1901  
Snow   0.0   0.0   0.4   -0.4   5.6   in 1893       in    
Snow Depth   0   0           20   in 2015       in    
Month Snow   T   7.5   8.0   -8.0   26.4   in 2003   0.0   in 2020  
Season Snow   2.3   32.2   25.1   -22.8   61.1   in 1996   2.3   in 2023  
    February 22, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   96%   99%   85%   +11%   100%   in 2003   46%   in 1956  
Minimum Humidity   54%   83%   53%   +1%   94%   in 1996   23%   in 2001  
Average Humidity   75%   91%   69%   +6%   97%   in 1996   39%   in 1968  
Maximum Barometer   30.15   30.43   30.12   +00.03   30.69   in 2018   29.56   in 1965  
Minimum Barometer   29.85   29.98   29.80   +00.05   30.48   in 2000   29.09   in 1976  
Average Barometer   30.00   30.21   29.96   +00.04   30.54   in 2000   29.44   in 1965  
Average Wind   6.0   7.8   8.0   -2.0   15.9   in 1988   2.0   in 1996  
Direction   WNW   SSE   WNW       SW N
High Wind Gust   19   31   27   -8   90   in 1912   13   in 1971  
Direction   WNW   S   NW       SE E
Maximum Water Temp   43.2   41.1   38.7   +4.5   43.9   in 2012   32.6   in 2015  
Minimum Water Temp   42.4   39.7   37.1   +5.3   42.6   in 2012   32.0   in 2015  
Average Water Temp   42.8   40.4   37.9   +4.9   43.3   in 2012   32.3   in 2015  
Sunrise/ AM Twilight   6:30:38 AM   6:00:40 AM            
Sunset / PM Twilight   5:27:00 PM   5:56:26 PM            
Length Of Day   10:56:22                          
Special Conditions   Fog                                  
Comments      
Hour-by-Hour Weather For February 22, 2023            
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