Portsmouth Rhode Island Weather Almanac  
Wednesday, March 8, 2023  
Mostly Cloudy early then Partly Cloudy, Very Windy and Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    March 8, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   48   55   43   +5   67   in 1987   27   in 1989  
Minimum Temperature   29   33   29   +0   48   in 2012   10   in 1986  
Average Temperature   39   44   36   +3   54   in 1987   20   in 2007  
 Month Avg Max Temperature   45.4   46.4   42.1   +3.3   55.0   in 1974   31.0   in 1978  
Month Avg Min Temperature   31.5   29.6   27.6   +3.9   38.0   in 1974   16.1   in 1950  
Month Average Temperature   38.6   38.4   35.3   +3.4   46.9   in 1974   24.1   in 1978  
High Heat Index                                      
Low Wind Chill   17   27   19   -2             -8   in 1986  
Heating Degree Days   26   21   29   -3   45   in 2007   11   in 1987  
Month HDD   211   213   238   -27   327   in 1978   145   in 1974  
Season HDD   3521   3783   4064   -543   5087   in 1905   3400   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   33   49   33   +0   55   in 2008   -1   in 1986  
Minimum Dew Point   19   15   18   +1   42   in 2012   -14   in 2007  
Average  Dew Point   26   32   26   +0   48   in 1995   -6   in 1986  
 Month Avg Max Dew Point   34.0   40.3   32.4   +1.6   42.3   in 1991   14.3   in 1978  
Month Avg Min Dew Point   22.5   17.0   17.0   +5.5   32.1   in 1979   -2.3   in 1950  
Month Average Dew Point   28.5   28.6   25.0   +3.5   36.3   in 1979   9.1   in 1978  
Precipitation   .00   .00   .13   -.13   1.83   in 1933            
One Hour   .00   .00           .46   in 2008            
Hourly Rate   .00   .00           4.09   in 2008            
Month Precipitation   1.34   .24   1.04   +.30   4.38   in 2018   .00   in 1894  
Year Precipitation   10.47   9.63   8.14   +2.33   18.83   in 1979   2.88   in 1980  
Snow   0.0   0.0   0.2   -0.2   15.4   in 1941       in    
Snow Depth   0   0           23   in 2015       in    
Month Snow   0.1   0.0   1.8   -1.7   18.1   in 1941   0.0   in 2022  
Season Snow   9.1   33.7   29.1   -20.0   74.5   in 1996   4.7   in 1998  
    March 8, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   72%   81%   82%   -10%   100%   in 2008   42%   in 1974  
Minimum Humidity   53%   30%   50%   +3%   88%   in 2005   17%   in 2020  
Average Humidity   63%   56%   66%   -3%   94%   in 2005   33%   in 1974  
Maximum Barometer   30.07   30.22   30.12   -00.05   30.83   in 1989   29.40   in 2005  
Minimum Barometer   29.92   29.51   29.76   +00.16   30.42   in 2002   28.75   in 2005  
Average Barometer   30.00   29.87   29.94   +00.05   30.62   in 1989   29.08   in 2005  
Average Wind   13.1   12.0   8.4   +4.7   16.1   in 1999   2.8   in 1984  
Direction   NNW   WNW   WNW       NNW N
High Wind Gust   30   41   27   +3   54   in 1926   14   in 2001  
Direction   NNW   WNW   NW       NW S
Maximum Water Temp   42.1   43.0   39.2   +2.9   45.7   in 2012   33.4   in 2015  
Minimum Water Temp   40.1   41.5   37.2   +2.9   42.4   in 2012   32.4   in 2015  
Average Water Temp   41.1   42.3   38.2   +2.9   44.1   in 2012   32.9   in 2015  
Sunrise/ AM Twilight   6:08:48 AM   5:39:00 AM            
Sunset / PM Twilight   5:43:32 PM   6:12:27 PM            
Length Of Day   11:34:44                          
Special Conditions   None                              
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