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Event

July 1990 Lakes Michigan-Huron level report

Also July 1990 Great Lakes water levels

Draft — sources verified, prose evolving

Locator map: Beaver Island highlighted within the Beaver Island archipelago
Took place at Beaver IslandLocator plate © OpenStreetMap contributors (ODbL 1.0); depths NOAA; names USGS GNIS. How the plates are drawn.
TypeEvent
Date1990-07-31
WithinBeaver Island
ErasModern era
Locator map: Beaver Island highlighted within the Beaver Island archipelago
Took place at Beaver IslandLocator plate © OpenStreetMap contributors (ODbL 1.0); depths NOAA; names USGS GNIS. How the plates are drawn.
Event
Date
1990-07-31
Kind
Weather
Where
Beaver Island
Eras
Modern era
Concepts
hydrologyenvironmentcommunication
Within
Beaver Island

Summary

The August 1990 Beaver Beacon reports that Lakes Michigan-Huron stood at 578.36 feet at the end of July 1990, or 19 inches above Chart Datum. It gives a July monthly mean of 578.39 feet and forecasts a modest seasonal decline into August.

Sources

  1. Reports end-of-July Lakes Michigan-Huron elevation 578.36 feet, 19 inches above Chart Datum, and a July monthly mean of 578.39 feet. The holding institution's portal restricts automated access; the archive holds a copy of this issue and can provide it on request.
    data1 · beaver-island-archive · beaver_beacon · 1990-08_Beaver-Beacon
  2. Paired held twenty-page August issue PDF.
    data1 · beaver-island-archive · scans · beaver_beacon · issues · 1990-08_Beaver-Beacon

Added 4 August 2026. Recent changes

Cite this article

Beaver Island Archive, “July 1990 Lakes Michigan-Huron level report”, https://beaverislandarchive.org/events/beaver-island-july-lake-levels-1990/, accessed [date], citing Beaver Beacon, August 29, 1990, "Lake Levels." (and 1 further source listed on the page).

Last revised 2026-08-04. Fill in [date] with the date you read it — this page is static and cannot know that.

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