Portsmouth Rhode Island Weather Almanac  
Sunday, March 24, 2024  
Cloudy early then Partly Cloudy, Windy and Colder  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    March 24, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   43   53   48   -5   66   in 1938   28   in 1940  
Minimum Temperature   28   37   33   -5   46   in 1903   12   in 1906  
Average Temperature   36   45   41   -5   53   in 1938   22   in 1940  
 Month Avg Max Temperature   49.8   46.8   44.5   +5.3   52.5   in 2012   32.0   in 1916  
Month Avg Min Temperature   34.8   33.3   29.8   +5.0   38.1   in 2012   20.1   in 1916  
Month Average Temperature   42.5   40.2   37.4   +5.1   45.5   in 2012   26.3   in 1916  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   15   37   23   -8             -4   in 1906  
Heating Degree Days   29   20   24   +5   43   in 1940   12   in 1938  
Month Heating DD   541   595   663   -122   928   in 1916   467   in 2012  
Season Heating DD   4088   3905   4520   -432   5556   in 1905   3708   in 2012  
Cooling Degree Days   0   0   0   +0       in     0   in Many  
Month Cooling DD   0   0   0   +0   3   in 2022   0   in Many  
Year Cooling DD   726   784   609   +117   871   in 2020   290   in 1902  
Maximum Dew Point   36   50   36   +0   56   in 1974   9   in 2014  
Minimum Dew Point   13   33   22   -9   44   in 1953   -1   in 2014  
Average  Dew Point   25   42   29   -4   48   in 1953   4   in 2014  
 Month Avg Max Dew Point   40.7   36.7   33.9   +6.8   42.7   in 2012   22.6   in 1960  
Month Avg Min Dew Point   27.3   24.6   19.1   +8.1   29.8   in 2012   8.3   in 1950  
Month Average Dew Point   34.3   30.7   26.8   +7.5   36.3   in 2012   16.5   in 1960  
Precipitation   .00   .00   .15   -.15   1.43   in 1993            
One Hour Rain   .00   .00           .34   in 1989            
Half Hour Rain   .00   .00           .13   in 2022            
Hourly Rain Rate   .00   .00           .66   in 2022            
Month Precipitation   6.95   3.62   3.35   +3.60   8.47   in 1983   .22   in 1915  
Year Precipitation   16.51   12.75   10.58   +5.93   19.24   in 1998   5.76   in 2012  
Snow   0.0   0.0   0.2   -0.2   3.5   in 1896            
Snow Depth   0   0   0   -0   7   in 1967            
Month Snow   T   0.1   5.0   -5.0   30.6   in 1956   0.0   in 1947  
Season Snow   12.7   9.1   32.6   -19.9   78.0   in 2005   5.0   in 1998  
    March 24, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   96%   97%   84%   +12%   100%   in 2003   49%   in 2014  
Minimum Humidity   29%   48%   47%   -18%   93%   in 1953   20%   in 1973  
Average Humidity   63%   73%   66%   -3%   97%   in 1953   36%   in 2014  
Maximum Barometer   30.42   30.10   30.11   +00.31   30.88   in 1906   29.52   in 1950  
Minimum Barometer   29.67   29.71   29.81   -00.14   30.39   in 2004   29.11   in 1950  
Average Barometer   30.05   29.91   29.96   +00.09   30.50   in 2004   29.32   in 1950  
Average Wind   15.1   7.4   8.2   +6.9   16.8   in 1968   3.1   in 1981  
Direction   NNW   NW   NW       SW   E  
High Wind Gust   40   23   26   +14   47   in 1926   13   in 2015  
Direction   NNW   NW   NW       NW   WNW  
Maximum Water Temp   42.1   43.7   41.4   +0.7   50.0   in 2012   36.5   in 2015  
Minimum Water Temp   40.3   42.3   39.3   +1.0   47.7   in 2012   34.4   in 2015  
Average Water Temp   41.2   43.0   40.5   +0.7   48.9   in 2012   35.5   in 2015  
Sunrise/ AM Twilight   6:40:40 AM   6:12:03 AM            
Sunset / PM Twilight   7:02:16 PM   7:30:18 PM            
Length Of Day   12:21:36                          
Special Conditions   None                                  
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