Portsmouth Rhode Island Weather Almanac  
Monday, March 4, 2024  
Partly Cloudy early then Cloudy, Light Fog, Continued Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    March 4, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   55   38   42   +13   61   in 1974   23   in 1943  
Minimum Temperature   40   32   27   +13   44   in 2008   2   in 1950  
Average Temperature   48   35   35   +13   50   in 1974   15   in 1950  
 Month Avg Max Temperature   50.0   43.5   41.5   +8.5   56.0   in 1991   28.5   in 1950  
Month Avg Min Temperature   36.0   33.0   27.0   +9.0   37.8   in 1991   11.3   in 1950  
Month Average Temperature   43.3   38.3   34.8   +8.5   47.0   in 1991   20.0   in 1950  
High Heat Index                   #N/A   in #N/A            
Low Wind Chill   34   23   17   +17             -13   in 1950  
Heating Degree Days   17   30   30   -13   50   in 1950   15   in 1974  
Month Heating DD   87   107   121   -34   180   in 1950   72   in 1991  
Season Heating DD   3634   3417   3978   -344   4948   in 1918   3290   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   47   37   32   +15   52   in 1974   8   in 2017  
Minimum Dew Point   39   28   17   +22   41   in 2008   -17   in 1950  
Average  Dew Point   43   33   25   +18   44   in 2008   -3   in 1950  
 Month Avg Max Dew Point   43.8   37.0   32.0   +11.8   47.3   in 1991   3.0   in 1980  
Month Avg Min Dew Point   31.0   27.5   16.5   +14.5   35.3   in 1991   -11.5   in 1980  
Month Average Dew Point   37.5   32.3   24.5   +13.0   41.3   in 1991   -4.3   in 1980  
Precipitation   .00   1.15   .13   -.13   1.94   in 1960            
One Hour Rain   .00   .26           .35   in 1971            
Half Hour Rain   .00   .14           .14   in 2023            
Hourly Rain Rate   .00   .55           .55   in 2023            
Month Precipitation   1.82   1.34   .52   +1.30   3.02   in 2018   .00   in 2011  
Year Precipitation   11.38   10.47   7.75   +3.63   17.45   in 1979   2.65   in 1980  
Snow   0.0   0.0   0.2   -0.2   9.5   in 1960            
Snow Depth   0   T   1   -1   21   in 2015            
Month Snow   0.0   0.1   1.0   -1.0   14.8   in 1960   0.0   in 2024  
Season Snow   12.7   9.1   28.6   -15.9   70.1   in 1996   4.7   in 1998  
    March 4, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   98%   98%   85%   +13%   100%   in 2019   50%   in 1968  
Minimum Humidity   75%   86%   52%   +23%   93%   in 1976   16%   in 1980  
Average Humidity   87%   92%   68%   +18%   97%   in 1976   36%   in 1980  
Maximum Barometer   30.43   29.98   30.10   +00.33   30.79   in 2011   29.42   in 1960  
Minimum Barometer   30.27   29.29   29.80   +00.47   30.61   in 2011   29.00   in 1960  
Average Barometer   30.35   29.64   29.95   +00.40   30.70   in 2011   29.21   in 1960  
Average Wind   7.2   14.5   8.8   -1.6   24.2   in 1971   2.3   in 1976  
Direction   NNE   N   WNW       ENE         ENE        
High Wind Gust   19   40   27   -8   56   in 1971   13   in 1976  
Direction   SSE   E   WNW       W         ENE        
Maximum Water Temp   44.4   41.9   38.8   +5.6   44.4   in 2024   32.5   in 2015  
Minimum Water Temp   41.9   41.2   37.1   +4.8   42.0   in 2012   31.4   in 2015  
Average Water Temp   43.2   41.6   38.0   +5.1   43.2   in 2024   32.0   in 2015  
Sunrise/ AM Twilight   6:14:03 AM   5:45:27 AM            
Sunset / PM Twilight   5:39:47 PM   6:07:56 PM            
Length Of Day   11:25:44                          
Special Conditions   Fog                                  
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Hour-by-Hour Weather For March 4, 2024            
Climate Weather for March 4            
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