Portsmouth Rhode Island Weather Almanac  
Friday, March 24, 2023  
Mostly Cloudy early then Partly Cloudy and Cooler  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2023
    March 24, 2023   Record   Record  
Observed Daily Data   2023   2022   Norm   Depart   Highest   Lowest  
Maximum Temperature   53   46   48   +5   66   in 1938   28   in 1940  
Minimum Temperature   37   37   33   +4   46   in 1903   12   in 1906  
Average Temperature   45   42   41   +4   53   in 1938   22   in 1940  
 Month Avg Max Temperature   46.8   50.3   44.5   +2.3   52.5   in 2012   32.0   in 1916  
Month Avg Min Temperature   33.3   33.0   29.8   +3.5   38.1   in 2012   20.1   in 1916  
Month Average Temperature   40.2   42.0   37.4   +2.8   45.5   in 2012   26.3   in 1916  
High Heat Index                                      
Low Wind Chill   37   30   23   +14             -4   in 1906  
Heating Degree Days   20   23   24   -4   43   in 1940   12   in 1938  
Month HDD   595   553   663   -68   928   in 1916   467   in 2012  
Season HDD   3905   4123   4489   -584   5556   in 1905   3708   in 2012  
Cooling Degree Days   0   #N/A   #REF!   #REF!   0   in 2023   0   in    
Month CDD                                 in    
Year CDD                                      
Maximum Dew Point   50   45   36   +14   56   in 1974   9   in 2014  
Minimum Dew Point   33   31   22   +11   44   in 1953   -1   in 2014  
Average  Dew Point   42   38   29   +13   48   in 1953   4   in 2014  
 Month Avg Max Dew Point   36.7   40.9   33.9   +2.8   42.7   in 2012   22.6   in 1960  
Month Avg Min Dew Point   24.6   22.6   19.1   +5.5   29.8   in 2012   8.3   in 1950  
Month Average Dew Point   30.9   31.7   26.8   +4.1   36.3   in 2012   16.5   in 1960  
Precipitation   .00   1.22   .15   -.15   1.43   in 1993            
One Hour   .00   .21           .34   in 1989            
Hourly Rate   .00   .66           .66   in 2022            
Month Precipitation   3.62   2.87   3.35   +.27   8.47   in 1983   .22   in 1915  
Year Precipitation   12.75   12.26   10.45   +2.30   19.24   in 1998   5.76   in 2012  
Snow   0.0   0.0   0.2   -0.2   3.5   in 1896       in    
Snow Depth   0   0           7   in 1967       in    
Month Snow   0.1   0.5   5.0   -4.9   30.6   in 1956   0.0   in 1947  
Season Snow   9.1   34.2   32.3   -23.2   78.0   in 2005   5.0   in 1998  
    March 24, 2023     Record Record
Observed Daily Data   2023   2022   Norm   Depart   Highest Lowest
Maximum Humidity   97%   98%   84%   +13%   100%   in 2003   49%   in 2014  
Minimum Humidity   48%   74%   47%   +1%   93%   in 1953   20%   in 1973  
Average Humidity   73%   86%   66%   +7%   97%   in 1953   36%   in 2014  
Maximum Barometer   30.10   30.24   30.11   -00.01   30.88   in 1906   29.52   in 1950  
Minimum Barometer   29.71   29.72   29.81   -00.10   30.39   in 2004   29.11   in 1950  
Average Barometer   29.91   29.98   29.96   -00.05   30.50   in 2004   29.32   in 1950  
Average Wind   7.4   7.7   8.1   -0.7   16.8   in 1968   3.1   in 1981  
Direction   NW   SE   NW       SW E
High Wind Gust   23   22   26   -3   47   in 1926   13   in 2015  
Direction   NW   E   NW       NW WNW
Maximum Water Temp   43.7   43.4   41.4   +2.3   50.0   in 2012   36.5   in 2015  
Minimum Water Temp   42.3   42.6   39.3   +3.0   47.7   in 2012   34.4   in 2015  
Average Water Temp   43.0   43.0   40.5   +2.5   48.9   in 2012   35.5   in 2015  
Sunrise/ AM Twilight   6:41:57 AM   7:12:03 AM            
Sunset / PM Twilight   7:01:26 PM   7:30:18 PM            
Length Of Day   12:19:29                          
Special Conditions   None                              
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