Portsmouth Rhode Island Weather Almanac  
Sunday, March 3, 2024  
Dense Fog and Rain early, Partly Cloudy Day to Mostly Cloudy PM, Much Warmer  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    March 3, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   59   46   42   +17   60   in 1991   21   in 1950  
Minimum Temperature   44   32   27   +17   45   in 2020   5   in 1950  
Average Temperature   52   39   35   +17   52   in 2024   13   in 1950  
 Month Avg Max Temperature   48.3   45.3   41.3   +7.0   56.3   in 1991   28.0   in 1912  
Month Avg Min Temperature   34.7   33.3   27.0   +7.7   38.7   in 1902   11.3   in 1980  
Month Average Temperature   41.7   39.3   34.7   +7.0   47.0   in 1991   20.7   in 1980  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   39   24   17   +22             -15   in 1950  
Heating Degree Days   13   26   30   -17   52   in 1950   13   in 2024  
Month Heating DD   70   77   91   -21   133   in 1980   54   in 1991  
Season Heating DD   3617   3387   3948   -331   4911   in 1905   3255   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   50   32   32   +18   53   in 2002   -4   in 1950  
Minimum Dew Point   42   25   17   +25   42   in 2024   -18   in 1950  
Average  Dew Point   46   29   25   +21   47   in 1991   -11   in 1950  
 Month Avg Max Dew Point   42.7   37.0   32.0   +10.7   47.0   in 1991   -2.0   in 1980  
Month Avg Min Dew Point   28.3   27.3   16.3   +12.0   34.7   in 1998   -14.7   in 1980  
Month Average Dew Point   35.7   32.2   24.3   +11.3   40.8   in 1991   -8.3   in 1980  
Precipitation   .25   .06   .13   +.12   1.82   in 1994            
One Hour Rain   .23   .00           .35   in 1972            
Half Hour Rain   .14   .00           .14   in 2024            
Hourly Rain Rate   .89   .00           .89   in 2024            
Month Precipitation   1.82   .19   .39   +1.43   3.01   in 2018   .00   in 2011  
Year Precipitation   11.38   9.32   7.62   +3.76   17.45   in 1979   2.65   in 1980  
Snow   0.0   0.1   0.2   -0.2   5.3   in 1960            
Snow Depth   0   0   1   -1   21   in 2015            
Month Snow   0.0   0.1   0.8   -0.8   9.3   in 1959   0.0   in 2024  
Season Snow   12.7   9.1   28.4   -15.7   70.1   in 1996   4.7   in 1998  
    March 3, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   95%   84%   +15%   100%   in 2012   34%   in 1980  
Minimum Humidity   70%   52%   49%   +21%   92%   in 1976   15%   in 1980  
Average Humidity   85%   74%   66%   +18%   96%   in 1976   25%   in 1980  
Maximum Barometer   30.27   30.11   30.11   +00.16   30.70   in 2011   29.58   in 1998  
Minimum Barometer   30.02   29.79   29.73   +00.29   30.39   in 1979   28.72   in 1947  
Average Barometer   30.15   29.95   29.92   +00.23   30.50   in 1979   29.48   in 1968  
Average Wind   7.3   7.9   8.9   -1.6   22.1   in 2018   3.5   in 1965  
Direction   SSE   NW   WNW       NNE         NNE        
High Wind Gust   23   30   28   -5   56   in 1942   12   in 1952  
Direction   N   NNW   WNW       SE         NE        
Maximum Water Temp   42.4   42.6   39.0   +3.4   43.0   in 2012   32.5   in 2015  
Minimum Water Temp   40.6   41.2   37.2   +3.4   41.7   in 2012   30.7   in 2015  
Average Water Temp   41.5   41.9   38.2   +3.3   42.4   in 2012   31.6   in 2015  
Sunrise/ AM Twilight   6:15:39 AM   5:47:02 AM            
Sunset / PM Twilight   5:38:37 PM   6:06:47 PM            
Length Of Day   11:22:58                          
Special Conditions   Dense Fog                              
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