Great Lakes Water Levels
Great Lakes water levels constitute one of the longest
high quality hydrometeorological data sets in North America with
reference gage records beginning about 1860 with sporadic records
back to the early 1800's. These levels are collected and archived
by NOAA's National Ocean Service.
Water Level Plots
Superior--Daily
levels compared with last year's level
Michigan, Huron, St.
Clair, and Erie-- Daily levels compared with last year's level
Ontario-- Daily levels
compared with last year's level
Superior--Daily levels
compared with monthly Min, Max, and Mean levels
Michigan-Huron--Daily
levels compared with monthly Min, Max, and Mean levels
St. Clair--Daily
levels compared with monthly Min, Max, and Mean levels
Erie--Daily levels
compared with monthly Max, Min, and Mean levels
Ontario--Daily levels
compared with monthly Max, Min and Mean levels
Water Level Gages
The following Reference Gages represent the levels on each lake:
Lake:
Superior
Michigan-Huron
St. Clair
Erie
Ontario
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Gage:
Marquette
Harbor Beach
St. Clair Shores
Cleveland
Oswego |
The long-term mean levels are averaged for data for the period
of 1900 - 1990.
The Great Lakes
photo by Ron Kinnunen |
The Great Lakes Basin is located along
the international boundary between Canada and the United States.
The Basin includes portions of eight states: Minnesota, Wisconsin,
Illinois, Indiana, Michigan, Ohio, Pennsylvania, and New York; and
the province of Ontario. Lakes Superior, Michigan, Huron, Erie and
Ontario compose the Great Lakes system. Combined, these lakes make
up the largest surface fresh water body in the world.
Contact:
Cynthia Sellinger
Ph: 734 741 2385
e-mail: cynthia.sellinger@noaa.gov
Last updated: 2004-03-30 jjs
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