United
States & Canada Sea Level Pressure Extremes 
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   Lower 48  Low Extremes  | 
  
   When They  Were Set  | 
  
   Lower 48  High Extremes  | 
  
   When They  Were Set  | 
  
   Alaska & Canada  Low Extremes  | 
  
   When They  Were Set  | 
  
   Alaska & Canada High Extremes  | 
  
   When They  Were Set  | 
 
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Related Links 
For any questions, comments,
suggestions, e-mail David.Roth@noaa.gov
Last updated February 27, 2025