Portsmouth Rhode Island Weather Almanac  
Friday, March 4, 2022  
Clear, Dry and Very Cold  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 4, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   33   43   42   -9   61   in 1974   23   in 1943  
Minimum Temperature   18   26   27   -9   44   in 2008   2   in 1950  
Average Temperature   26   35   35   -9   50   in 1974   15   in 1950  
 Month Avg Max Temperature   41.3   41.8   41.5   -0.3   56.0   in 1991   28.5   in 1950  
Month Avg Min Temperature   23.5   23.5   27.0   -3.5   37.8   in 1991   11.3   in 1950  
Month Average Temperature   32.8   33.0   34.8   -2.0   47.0   in 1991   20.0   in 1950  
High Heat Index                                      
Low Wind Chill   8   14   16   -8             -13   in 1950  
Heating Degree Days   39   30   30   +9   50   in 1950   15   in 1974  
Month HDD   129   128   121   +8   180   in 1950   72   in 1991  
Season HDD   3699   3695   3947   -248   4948   in 1918   3290   in 2016  
Cooling Degree Days   0   0   0   +0       in         in    
Month CDD   0   0   0   +0   0   in         in    
Year Cooling Degree Days                       in         in    
Maximum Dew Point   21   31   32   -11   52   in 1974   8   in 2017  
Minimum Dew Point   3   5   17   -14   41   in 2008   -17   in 1950  
Average  Dew Point   12   18   25   -13   44   in 2008   -3   in 1950  
 Month Avg Max Dew Point   35.0   29.3   32.0   +3.0   47.3   in 1991   3.0   in 1980  
Month Avg Min Dew Point   8.5   4.5   16.5   -8.0   35.3   in 1991   -11.5   in 1980  
Month Average Dew Point   21.8   16.9   24.5   -2.8   41.3   in 1991   -4.3   in 1980  
Precipitation   .00   .00   .13   -.13   1.94   in 1960            
One Hour   .00   .00           .35   in 1971            
Hourly Rate   .00   .00           .18   in 2020            
Month Precipitation   .14   .45   .52   -.38   3.02   in 2018   .00   in 2011  
Year Precipitation   9.53   5.95   7.62   +1.91   17.45   in 1979   2.65   in 1980  
Snow   0.0   0.0   0.2   -0.2   9.5   in 1960       in    
Snow Depth   0   0           21   in 2015       in    
Month Snow   0.0   T   1.0   -1.0   14.8   in 1960   0.0   in 2022  
Season Snow   33.7   30.7   28.3   +5.4   70.1   in 1996   4.7   in 1998  
    March 4, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   74%   80%   84%   -10%   100%   in 2019   50%   in 1968  
Minimum Humidity   37%   36%   51%   -14%   93%   in 1976   16%   in 1980  
Average Humidity   56%   58%   68%   -12%   97%   in 1976   36%   in 1980  
Maximum Barometer   30.53   29.78   30.10   +00.43   30.79   in 2011   29.42   in 1960  
Minimum Barometer   30.35   29.65   29.80   +00.55   30.61   in 2011   29.00   in 1960  
Average Barometer   30.44   29.72   29.95   +00.49   30.70   in 2011   29.21   in 1960  
Average Wind   8.0   9.4   8.7   -0.7   24.2   in 1971   2.3   in 1976  
Direction   SW   WNW   WNW       ENE         ENE        
High Wind Gust   28   36   27   +1   56   in 1971   13   in 1976  
Direction   NNW   NW   WNW       W         ENE        
Maximum Water Temp   40.3   38.1   38.5   +1.8   42.8   in 2012   32.5   in 2015  
Minimum Water Temp   38.7   37.2   36.7   +2.0   42.0   in 2012   31.4   in 2015  
Average Water Temp   39.5   37.7   37.6   +1.9   42.4   in 2012   32.0   in 2015  
Sunrise/ AM Twilight   6:14:53 AM   5:45:27 AM            
Sunset / PM Twilight   5:39:11 PM   6:07:56 PM            
Length Of Day   11:27:18                          
Special Conditions   None                              
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