Portsmouth Rhode Island Weather Almanac  
Wednesday, February 8, 2023  
Mostly Cloudy, Light Rain early, Partly Cloudy Day to Clear PM, Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 8, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   48   43   38   +10   57   in 2017   18   in 1994  
Minimum Temperature   34   32   24   +10   39   in 1965   -4   in 1934  
Average Temperature   41   38   32   +9   47   in 2017   8   in 1934  
 Month Avg Max Temperature   37.6   40.1   37.8   -0.1   48.4   in 1991   24.6   in 1996  
Month Avg Min Temperature   17.9   24.1   23.8   -5.9   32.6   in 2020   8.4   in 1918  
Month Average Temperature   28.0   32.1   31.3   -3.3   39.8   in 1991   17.6   in 1934  
High Heat Index                                      
Low Wind Chill   30   23   9   +21             -24   in 1963  
Heating Degree Days   24   27   33   -9   57   in 1934   18   in 2017  
Month HDD   296   260   270   +26   377   in 1934   200   in 1991  
Season HDD   2790   2957   3189   -399   4145   in 1918   2497   in 2016  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   38   43   29   +9   48   in 2017   0   in 1972  
Minimum Dew Point   25   24   13   +12   38   in 1965   -18   in 1963  
Average  Dew Point   32   34   21   +11   42   in 1965   -5   in 1972  
 Month Avg Max Dew Point   28.5   37.1   28.5   +0.0   41.1   in 2008   9.3   in 1980  
Month Avg Min Dew Point   5.0   17.9   12.1   -7.1   29.4   in 2008   -4.4   in 1993  
Month Average Dew Point   16.9   27.5   21.0   -4.1   35.3   in 2008   2.4   in 1980  
Precipitation   .01   .28   .12   -.11   1.50   in 1971            
One Hour   .01   .07           .29   in 1971            
Hourly Rate   .05   .18           .74   in 2019            
Month Precipitation   .07   2.57   .92   -.85   3.16   in 1970   .00   in 1987  
Year Precipitation   7.26   4.53   4.59   +2.67   12.38   in 1979   1.28   in 2007  
Snow   0.0   0.0   0.3   -0.3   10.1   in 1945       in    
Snow Depth   0   0           26   in 1978       in    
Month Snow   T   0.3   2.4   -2.4   26.3   in 1978   0.0   in 2020  
Season Snow   2.3   25.0   19.5   -17.2   51.0   in 1996   2.0   in 1969  
    February 8, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   97%   99%   81%   +16%   100%   in 2017   49%   in 1980  
Minimum Humidity   52%   72%   50%   +2%   91%   in 1971   22%   in 2000  
Average Humidity   75%   86%   65%   +9%   94%   in 1971   38%   in 1980  
Maximum Barometer   30.27   29.99   30.12   +00.15   30.70   in 1950   29.35   in 1958  
Minimum Barometer   30.04   29.77   29.74   +00.30   30.34   in 2001   29.17   in 1964  
Average Barometer   30.16   29.88   29.93   +00.23   30.43   in 2001   29.28   in 1958  
Average Wind   7.3   8.1   8.7   -1.4   21.5   in 1968   2.3   in 1966  
Direction   WNW   NW   WNW       N NNW
High Wind Gust   27   26   27   -0   57   in 2013   12   in 2005  
Direction   NW   WNW   NW       NNE SSE
Maximum Water Temp   41.0   40.3   38.5   +2.5   44.1   in 2012   34.4   in 2010  
Minimum Water Temp   40.3   39.0   36.6   +3.7   41.9   in 2012   32.5   in 2000  
Average Water Temp   40.7   39.7   37.6   +3.1   43.0   in 2012   33.6   in 2010  
Sunrise/ AM Twilight   6:49:20 AM   6:18:58 AM            
Sunset / PM Twilight   5:09:35 PM   5:39:53 PM            
Length Of Day   10:20:15                          
Special Conditions   Fog                                  
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