Portsmouth Rhode Island Weather Almanac  
Monday, April 3, 2023  
Cl;ear, Windy and Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    April 3, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   48   50   51   -3   73   in 1967   35   in 1896  
Minimum Temperature   27   36   36   -9   47   in 1903   21   in 1954  
Average Temperature   38   43   44   -6   58   in 1967   30   in 1896  
 Month Avg Max Temperature   50.7   54.0   50.7   +0.0   65.3   in 1945   36.7   in 1911  
Month Avg Min Temperature   36.3   37.7   35.7   +0.7   42.7   in 1945   23.3   in 1919  
Month Average Temperature   43.7   46.0   43.7   +0.0   54.3   in 1945   31.3   in 1911  
High Heat Index                                      
Low Wind Chill   27   33   28   -1             7   in 1954  
Heating Degree Days   27   22   21   +6   35   in 1896   7   in 1967  
Month HDD   64   57   64   +0   96   in 1919   32   in 1945  
Season HDD   4131   4357   4714   -583   5733   in 1905   3916   in 2016  
Cooling Degree Days   0   #N/A   0   +0   0   in     0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   42   41   39   +3   55   in 1963   11   in 1965  
Minimum Dew Point   7   26   25   -18   45   in 2000   -2   in 1954  
Average  Dew Point   25   34   32   -7   49   in 2009   7   in 1965  
 Month Avg Max Dew Point   47.0   42.0   38.7   +8.3   49.7   in 2010   15.7   in 1965  
Month Avg Min Dew Point   20.0   24.7   25.0   -5.0   39.7   in 2010   4.3   in 1965  
Month Average Dew Point   33.5   33.3   32.0   +1.5   44.7   in 2010   10.0   in 1965  
Precipitation   .00   .02   .15   -.15   2.01   in 1990            
One Hour   .00   .02           .44   in 1975            
Hourly Rate   .00   .00           3.62   in 2009            
Month Precipitation   .59   .29   .45   +.14   2.93   in 1970   .00   in 2014  
Year Precipitation   14.09   13.19   11.91   +2.18   21.34   in 1998   6.44   in 2012  
Snow   0.0   0.0   0.1   -0.1   4.9   in 1915       in    
Snow Depth   0   0           4   in 1970       in    
Month Snow   0.0   0.0   0.3   -0.3   5.5   in 1997   0.0   in 2023  
Season Snow   9.1   34.2   33.3   -24.2   78.0   in 2005   5.0   in 1998  
    April 3, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   87%   91%   85%   +2%   100%   in 2015   44%   in 1965  
Minimum Humidity   31%   64%   49%   -18%   93%   in 2009   19%   in 2012  
Average Humidity   59%   78%   67%   -8%   97%   in 2009   33%   in 1965  
Maximum Barometer   30.23   29.96   30.04   +00.19   30.60   in 1991   29.42   in 1961  
Minimum Barometer   30.03   29.73   29.73   +00.30   30.36   in 2008   28.89   in 1975  
Average Barometer   30.13   29.85   29.89   +00.24   30.45   in 2008   29.19   in 1975  
Average Wind   8.2   4.1   8.9   -0.7   23.3   in 1970   3.3   in 1956  
Direction   SSW   NW   NW       WNW NE
High Wind Gust   32   15   28   +4   56   in 1970   13   in 1956  
Direction   SSW   S   NW       WNW NE
Maximum Water Temp   45.3   45.1   43.5   +1.8   50.5   in 2010   39.2   in 2020  
Minimum Water Temp   43.0   44.2   41.2   +1.8   46.6   in 2010   37.5   in 2003  
Average Water Temp   44.2   44.7   42.4   +1.8   48.6   in 2010   39.0   in 2020  
Sunrise/ AM Twilight   6:25:04 AM   5:54:51 AM            
Sunset / PM Twilight   7:12:21 PM   7:41:49 PM            
Length Of Day   12:47:17                          
Special Conditions   None                              
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