Portsmouth Rhode Island Weather Almanac  
Saturday, April 8, 2023  
Partly Cloudy and Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    April 8, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   50   62   53   -3   81   in 1991   35   in 2003  
Minimum Temperature   33   46   37   -4   53   in 2010   23   in 1972  
Average Temperature   42   54   45   -3   64   in 1991   31   in 1982  
 Month Avg Max Temperature   53.6   54.4   51.5   +2.1   64.5   in 2010   40.8   in 2003  
Month Avg Min Temperature   38.6   39.1   36.4   +2.3   45.0   in 2010   27.1   in 1982  
Month Average Temperature   46.4   46.9   44.3   +2.1   54.9   in 2010   36.0   in 1896  
High Heat Index                                      
Low Wind Chill   27   40   29   -2             8   in 1972  
Heating Degree Days   23   11   20   +3   34   in 1982   1   in 1991  
Month HDD   149   145   166   -17   232   in 1896   81   in 2010  
Season HDD   4216   4445   4816   -600   5847   in 1918   4009   in 2012  
Cooling Degree Days   0   #N/A   0   +0   0   in     0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   32   53   40   -8   60   in 1962   8   in 1982  
Minimum Dew Point   13   39   27   -14   48   in 2010   3   in 1982  
Average  Dew Point   23   46   34   -11   51   in 2010   6   in 1982  
 Month Avg Max Dew Point   46.1   43.5   39.4   +6.8   52.3   in 2010   22.4   in 1965  
Month Avg Min Dew Point   26.9   30.6   25.9   +1.0   41.1   in 2010   10.3   in 1982  
Month Average Dew Point   36.5   37.1   32.6   +3.9   46.7   in 2010   17.2   in 1965  
Precipitation   .00   .56   .14   -.14   1.32   in 1903            
One Hour   .00   .32           .39   in 1983            
Hourly Rate   .00   3.51           3.51   in 2022            
Month Precipitation   .70   1.57   1.19   -.49   3.93   in 1901   .00   in 1925  
Year Precipitation   14.20   14.47   12.65   +1.55   21.73   in 1983   6.44   in 2012  
Snow   0.0   0.0   0.0   +0.0   2.6   in 1996       in    
Snow Depth   0   0           8   in 1982       in    
Month Snow   0.0   0.0   0.5   -0.5   8.0   in 1982   0.0   in 2023  
Season Snow   9.1   34.2   33.5   -24.4   78.0   in 2005   5.0   in 1998  
    April 8, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   81%   99%   85%   -4%   100%   in 2014   41%   in 1982  
Minimum Humidity   25%   64%   48%   -23%   96%   in 1986   17%   in 1994  
Average Humidity   53%   82%   66%   -13%   98%   in 1986   36%   in 1982  
Maximum Barometer   30.49   29.72   30.01   +00.48   30.51   in 1980   29.28   in 1956  
Minimum Barometer   30.33   29.49   29.73   +00.60   30.33   in 2023   29.07   in 1956  
Average Barometer   30.41   29.61   29.87   +00.54   30.41   in 2023   29.18   in 1956  
Average Wind   7.5   10.0   8.4   -0.9   16.7   in 1988   3.4   in 1995  
Direction   N   SSW   NNW       NNE N
High Wind Gust   20   27   26   -6   53   in 1909   15   in 1998  
Direction   N   SSW   S       NW ESE
Maximum Water Temp   45.9   47.1   44.6   +1.3   56.1   in 2010   38.6   in 2003  
Minimum Water Temp   44.2   44.8   42.1   +2.1   47.3   in 2010   37.8   in 2003  
Average Water Temp   45.1   46.0   43.4   +1.6   51.7   in 2010   38.2   in 2003  
Sunrise/ AM Twilight   6:16:47 AM   5:46:22 AM            
Sunset / PM Twilight   7:17:47 PM   7:47:31 PM            
Length Of Day   13:01:00                          
Special Conditions   None                              
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