United States & Canada Sea Level Pressure Extremes
Choose a region on the clickable map below
Broad Views
Alaska & Canada
Lower 48
Tropical Pacific
Caribbean & Subtropical Atlantic
Regional Sectors
Great Lakes
Central Plains
Ohio Valley
New York/New England
Mid-Atlantic States
Florida
Related Links
Site-by-site Lower 48 Length of Record
Site-by-site Alaska Length of Record
SLP records development & background (Feb. 2024)
State Sea Level Pressure Records
For any questions, comments, suggestions, e-mail David.Roth@noaa.gov Last updated October 4, 2026