Portsmouth Rhode Island Weather Almanac  
Thursday, March 17, 2022  
Partly Cloudy early then Cloudy, Light Rain & Fog, Light Winds, Cotinued Warm  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2022
    March 17, 2022   Record   Record  
Observed Daily Data   2022   2021   Norm   Depart   Highest   Lowest  
Maximum Temperature   55   45   46   +9   66   in 2003   25   in 1967  
Minimum Temperature   39   29   31   +8   50   in 1990   10   in 1916  
Average Temperature   47   37   39   +8   55   in 1990   18   in 1916  
 Month Avg Max Temperature   48.0   44.2   43.5   +4.5   52.1   in 1973   32.2   in 1916  
Month Avg Min Temperature   30.1   26.4   28.8   +1.3   37.8   in 1973   19.7   in 1950  
Month Average Temperature   39.4   35.6   36.4   +2.9   45.2   in 1973   26.5   in 1916  
High Heat Index                                      
Low Wind Chill   37   27   20   +17             -3   in 1916  
Heating Degree Days   18   28   26   -8   47   in 1916   10   in 1990  
Month HDD   436   500   486   -50   654   in 1916   336   in 1973  
Season HDD   4006   4067   4312   -306   5366   in 1905   3546   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   54   33   35   +19   59   in 1990   9   in 1967  
Minimum Dew Point   38   17   20   +18   50   in 1990   -7   in 1961  
Average  Dew Point   46   25   28   +18   55   in 1990   2   in 1967  
 Month Avg Max Dew Point   39.8   26.6   33.2   +6.6   42.1   in 1973   20.1   in 1960  
Month Avg Min Dew Point   20.3   9.6   18.2   +2.1   30.2   in 1973   3.6   in 1980  
Month Average Dew Point   30.1   18.1   26.1   +4.0   36.2   in 1973   14.6   in 1950  
Precipitation   .12   .00   .15   -.03   1.60   in 2007            
One Hour   .03   .00           .35   in 2007            
Hourly Rate   .08   .00           3.74   in 2007            
Month Precipitation   1.35   .45   2.30   -.95   5.80   in 2000   .08   in 1915  
Year Precipitation   10.74   5.95   9.40   +1.34   19.20   in 1979   4.55   in 1980  
Snow   0.0   0.0   0.2   -0.2   2.0   in 1932       in    
Snow Depth   0   0           11   in 1896       in    
Month Snow   0.5   T   3.6   -3.1   20.3   in 1916   0.0   in 2011  
Season Snow   34.2   30.8   30.9   +3.3   75.0   in 2005   4.7   in 1998  
    March 17, 2022     Record Record
Observed Daily Data   2022   2021   Norm   Depart   Highest Lowest
Maximum Humidity   99%   88%   84%   +15%   100%   in 2007   54%   in 1981  
Minimum Humidity   90%   55%   48%   +42%   91%   in 1968   23%   in 1959  
Average Humidity   95%   72%   66%   +28%   96%   in 1968   41%   in 1961  
Maximum Barometer   30.24   30.23   30.06   +00.18   30.61   in 1998   29.22   in 1981  
Minimum Barometer   29.87   30.10   29.77   +00.10   30.48   in 1998   28.88   in 1974  
Average Barometer   30.06   30.17   29.92   +00.14   30.55   in 1998   29.12   in 1981  
Average Wind   3.4   4.3   9.0   -5.6   20.1   in 2000   2.5   in 2012  
Direction   SE   SW   WNW       N         S        
High Wind Gust   12   20   28   -16   61   in 1956   9   in 2003  
Direction   E   S   NW       NNW         S        
Maximum Water Temp   43.9   38.3   40.4   +3.5   46.4   in 2012   36.2   in 2015  
Minimum Water Temp   42.6   37.0   38.3   +4.3   44.7   in 2012   34.9   in 2015  
Average Water Temp   43.3   37.7   39.4   +3.9   45.6   in 2012   35.6   in 2015  
Sunrise/ AM Twilight   6:53:24 AM   7:24:03 AM            
Sunset / PM Twilight   6:53:58 PM   7:22:29 PM            
Length Of Day   12:03:24                          
Special Conditions   Fog                                  
Comments                                      
Hour-by-Hour Weather For March 17, 2022            
Climate Weather for March 17            
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