Portsmouth Rhode Island Weather Almanac  
Friday, February 24, 2023  
Cloudy, Light Rain & Fog  early then Partly Cloudy, Windy and Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 24, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   40   33   41   -1   61   in 2017   11   in 1894  
Minimum Temperature   22   27   26   -4   45   in 2017   -3   in 1894  
Average Temperature   31   30   34   -3   53   in 2017   4   in 1894  
 Month Avg Max Temperature   45.5   43.3   39.1   +6.5   45.6   in 1990   26.3   in 1979  
Month Avg Min Temperature   28.3   25.9   24.8   +3.6   30.4   in 1925   10.7   in 1934  
Month Average Temperature   37.2   34.8   32.4   +4.8   37.6   in 2018   19.1   in 1979  
High Heat Index                                      
Low Wind Chill   10   17   15   -5             -11   in 2015  
Heating Degree Days   34   35   31   +3   61   in 1894   12   in 2017  
Month HDD   667   725   783   -116   1102   in 1979   658   in 2018  
Season HDD   3161   3422   3702   -541   4706   in 1918   3044   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   35   19   32   +3   53   in 2016   5   in 1968  
Minimum Dew Point   13   6   15   -2   44   in 2017   -10   in 2015  
Average  Dew Point   24   13   24   +0   48   in 2017   1   in 1968  
 Month Avg Max Dew Point   37.0   37.1   29.9   +7.1   40.7   in 2018   10.2   in 1979  
Month Avg Min Dew Point   18.5   16.8   13.4   +5.1   23.3   in 1984   -2.5   in 1979  
Month Average Dew Point   28.0   27.0   24.0   +4.0   31.6   in 2018   3.9   in 1979  
Precipitation   .04   .00   .13   -.09   1.69   in 1969            
One Hour   .02   .00           .38   in 1979            
Hourly Rate   .41   .00           1.04   in 2016            
Month Precipitation   1.38   4.90   2.91   -1.53   6.67   in 1998   .66   in 1947  
Year Precipitation   8.57   6.86   6.58   +1.99   14.22   in 1979   2.64   in 1980  
Snow   0.0   0.0   0.4   -0.4   7.7   in 1969       in    
Snow Depth   0   0           16   in 2015       in    
Month Snow   T   7.5   8.8   -8.8   26.4   in 2003   0.0   in 2020  
Season Snow   2.3   32.2   25.9   -23.6   61.1   in 1996   2.3   in 2023  
    February 24, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   99%   68%   86%   +13%   100%   in 2019   55%   in 1987  
Minimum Humidity   52%   37%   53%   -1%   95%   in 2016   22%   in 1968  
Average Humidity   76%   53%   70%   +6%   98%   in 2016   40%   in 1968  
Maximum Barometer   30.48   30.50   30.15   +00.33   30.93   in 1948   29.51   in 1984  
Minimum Barometer   29.88   30.19   29.76   +00.12   30.33   in 1999   29.11   in 1998  
Average Barometer   30.18   30.35   29.96   +00.22   30.44   in 1999   29.39   in 1984  
Average Wind   14.0   7.0   8.3   +5.7   18.8   in 1989   2.2   in 1965  
Direction   NW   NNW   NW       NE NNW
High Wind Gust   41   27   26   +15   43   in 2006   12   in 1952  
Direction   WNW   NNW   NW       NW NW
Maximum Water Temp   42.6   41.7   38.8   +3.8   44.4   in 2012   32.0   in 2015  
Minimum Water Temp   41.2   39.9   37.1   +4.1   42.7   in 2012   31.6   in 2015  
Average Water Temp   41.9   40.8   38.0   +3.9   43.6   in 2012   31.8   in 2015  
Sunrise/ AM Twilight   6:27:40 AM   5:57:44 AM            
Sunset / PM Twilight   5:29:25 PM   5:58:45 PM            
Length Of Day   11:01:45                          
Special Conditions   Fog                                  
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