Portsmouth Rhode Island Weather Almanac  
Thursday, March 14, 2024  
Partly Cloudy early then Clear, Very Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    March 14, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   61   43   45   +16   62   in 2002   26   in 1896  
Minimum Temperature   37   33   30   +7   46   in 1927   10   in 1896  
Average Temperature   49   38   38   +11   51   in 2012   18   in 1896  
 Month Avg Max Temperature   50.5   44.9   43.0   +7.5   52.1   in 2020   33.1   in 1916  
Month Avg Min Temperature   35.7   32.1   28.4   +7.3   36.9   in 1973   19.3   in 1950  
Month Average Temperature   43.3   38.7   36.0   +7.3   44.7   in 1973   27.5   in 1916  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   33   22   22   +11             -4   in 1993  
Heating Degree Days   16   27   27   -11   47   in 1896   14   in 2012  
Month Heating DD   304   368   406   -102   525   in 1916   284   in 1973  
Season Heating DD   3851   3678   4263   -412   5274   in 1905   3496   in 2016  
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   49   43   34   +15   52   in 1977   7   in 1992  
Minimum Dew Point   36   32   20   +16   42   in 2010   -3   in 1981  
Average  Dew Point   43   38   27   +16   45   in 2010   4   in 1992  
 Month Avg Max Dew Point   42.6   35.3   32.9   +9.7   42.6   in 2024   18.8   in 1960  
Month Avg Min Dew Point   30.5   24.8   17.8   +12.7   30.5   in 2024   3.9   in 1980  
Month Average Dew Point   36.9   30.0   25.7   +11.1   36.9   in 2024   13.1   in 1960  
Precipitation   .00   1.34   .14   -.14   1.68   in 1958            
One Hour Rain   .00   .18           .39   in 1958            
Half Hour Rain   .00   .12           .18   in 2017            
Hourly Rain Rate   .00   .44           1.20   in 2010            
Month Precipitation   5.02   3.46   1.87   +3.15   5.49   in 1983   .04   in 1915  
Year Precipitation   14.58   12.59   9.10   +5.48   19.20   in 1979   4.43   in 1980  
Snow   0.0   T   0.2   -0.2   5.9   in 1958            
Snow Depth   0   0   1   -1   14   in 1939            
Month Snow   T   0.1   3.0   -3.0   18.9   in 1941   0.0   in 2011  
Season Snow   12.7   9.1   30.6   -17.9   75.0   in 2005   4.7   in 1998  
    March 14, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   96%   99%   89%   +7%   100%   in 2015   50%   in 1974  
Minimum Humidity   64%   88%   55%   +9%   97%   in 1986   23%   in 1982  
Average Humidity   80%   94%   72%   +8%   99%   in 1986   42%   in 1992  
Maximum Barometer   30.05   29.72   30.07   -00.02   30.65   in 1968   29.53   in 2018  
Minimum Barometer   29.98   29.17   29.69   +00.29   30.28   in 2022   28.50   in 1993  
Average Barometer   30.02   29.45   29.88   +00.13   30.36   in 1995   29.23   in 1993  
Average Wind   5.7   13.8   8.6   -2.9   19.5   in 1993   2.0   in 1994  
Direction   SE   E   NW       W   S  
High Wind Gust   20   36   27   -7   61   in 1993   13   in 1983  
Direction   SSE   WNW   NW       SW         N        
Maximum Water Temp   44.2   42.3   40.2   +4.0   47.1   in 2012   35.9   in 2003  
Minimum Water Temp   42.1   41.5   38.3   +3.8   44.3   in 2012   33.6   in 2003  
Average Water Temp   43.2   41.9   39.3   +3.9   45.7   in 2012   34.8   in 2003  
Sunrise/ AM Twilight   6:57:35 AM   6:29:07 AM            
Sunset / PM Twilight   6:51:11 PM   7:19:08 PM            
Length Of Day   11:53:36                          
Special Conditions   None                                  
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