Portsmouth Rhode Island Weather Almanac  
Tuesday, February 7, 2023  
Clear early, Partly Cloudy Day to Cloudy and Light Rain Late, Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    February 7, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   39   43   38   +1   56   in 2020   15   in 1895  
Minimum Temperature   25   24   24   +1   42   in 1953   -3   in 1910  
Average Temperature   32   34   32   +0   47   in 1953   7   in 1910  
 Month Avg Max Temperature   36.1   39.7   37.7   -1.6   48.4   in 1991   22.6   in 1996  
Month Avg Min Temperature   15.6   23.0   23.7   -8.1   33.9   in 2006   6.9   in 1918  
Month Average Temperature   26.1   31.4   31.1   -5.0   40.4   in 2016   16.0   in 1996  
High Heat Index                                      
Low Wind Chill   15   21   10   +5             -19   in 1993  
Heating Degree Days   33   31   33   +0   58   in 1910   18   in 1953  
Month HDD   272   233   237   +35   341   in 1996   171   in 2016  
Season HDD   2766   2930   3156   -390   4104   in 1918   2462   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   53   in 2020   1   in 1962  
Minimum Dew Point   10   21   13   -3   38   in 1953   -14   in 1993  
Average  Dew Point   24   32   21   +3   45   in 1953   -6   in 1962  
 Month Avg Max Dew Point   27.1   36.3   28.4   -1.3   42.3   in 2008   9.1   in 1980  
Month Avg Min Dew Point   2.1   17.0   12.0   -9.9   30.0   in 2008   -5.6   in 1993  
Month Average Dew Point   14.7   26.6   21.0   -6.3   36.1   in 2008   1.9   in 1980  
Precipitation   .06   .53   .12   -.06   1.81   in 1941            
One Hour   .04   .11           .52   in 1949            
Hourly Rate   .10   .66           1.04   in 2018            
Month Precipitation   .06   2.29   .80   -.74   3.16   in 1970   .00   in 1987  
Year Precipitation   7.25   4.25   4.47   +2.78   12.11   in 1979   1.28   in 2007  
Snow   0.0   0.0   0.3   -0.3   10.7   in 1978       in    
Snow Depth   0   T           25   in 1961       in    
Month Snow   T   0.3   2.1   -2.1   26.3   in 1978   0.0   in 2020  
Season Snow   2.3   25.0   19.2   -16.9   51.0   in 1996   2.0   in 1969  
    February 7, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   96%   99%   86%   +10%   100%   in 2017   52%   in 1982  
Minimum Humidity   49%   85%   53%   -4%   92%   in 2019   16%   in 2005  
Average Humidity   73%   92%   70%   +3%   96%   in 1991   41%   in 1962  
Maximum Barometer   30.36   30.52   30.12   +00.24   30.57   in 1988   29.36   in 1964  
Minimum Barometer   30.09   29.99   29.76   +00.33   30.30   in 1965   28.79   in 2020  
Average Barometer   30.23   30.26   29.94   +00.29   30.41   in 2013   29.10   in 1964  
Average Wind   9.6   4.2   8.0   +1.6   16.7   in 1978   2.4   in 2011  
Direction   N   ENE   N       N S
High Wind Gust   25   16   27   -2   62   in 1955   12   in 2005  
Direction   N   SE   N       S NW
Maximum Water Temp   41.0   39.4   38.5   +2.5   44.8   in 2012   34.1   in 2015  
Minimum Water Temp   39.6   36.9   36.7   +2.9   41.4   in 2012   32.5   in 2015  
Average Water Temp   40.3   38.2   37.6   +2.7   43.1   in 2012   33.3   in 2015  
Sunrise/ AM Twilight   6:50:31 AM   6:20:07 AM            
Sunset / PM Twilight   5:08:19 PM   5:38:41 PM            
Length Of Day   10:17:48                          
Special Conditions   None                              
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