Beaver Island ArchiveA primary-source archive & encyclopedia45°40′N 85°33′W · Lake Michigan
Colour scheme
Search

Event

Lakes Michigan–Huron rise in March 1991 but remain near average

Also March 1991 Great Lakes level report

Draft — sources verified, prose evolving

Locator map: Beaver Island archipelago highlighted within the Beaver Island archipelago
Took place at Beaver Island archipelagoLocator plate © OpenStreetMap contributors (ODbL 1.0); depths NOAA; names USGS GNIS. How the plates are drawn.
TypeEvent
Date1991-03
WithinBeaver Island archipelago
ErasModern era
On this page
Locator map: Beaver Island archipelago highlighted within the Beaver Island archipelago
Took place at Beaver Island archipelagoLocator plate © OpenStreetMap contributors (ODbL 1.0); depths NOAA; names USGS GNIS. How the plates are drawn.
Event
Date
1991-03
Kind
Observation
Where
Beaver Island archipelago
Eras
Modern era
Concepts
hydrologyenvironmentmaritimecommunication
Within
Beaver Island archipelago

Summary

The April 1991 issue reports Lakes Michigan–Huron at 578.01 feet at the end of March, above February and the prior year but still near the long-term average.

Evidence limits

This is a reprinted regional forecast and measurement, not a Beaver Island shoreline gauge series or hydrologic reanalysis.

Sources

  1. Reports above-average March basin precipitation and Lakes Michigan–Huron at 578.01 feet at month’s end, 15 inches above chart datum, 6 inches above the prior year, and 4 inches above February; the monthly mean was about 1 inch below the long-term March average. It summarizes the forecast for continued seasonal rise. 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 · 1991-04_Beaver-Beacon
  2. The held twenty-two-page issue scan confirms the printed lake-level report.
    data1 · beaver-island-archive · scans · beaver_beacon · issues · 1991-04_Beaver-Beacon

Added 4 August 2026. Recent changes

Cite this article

Beaver Island Archive, “Lakes Michigan–Huron rise in March 1991 but remain near average”, https://beaverislandarchive.org/events/great-lakes-michigan-huron-level-march-1991/, accessed [date], citing Beaver Beacon, April 1991, “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.

BibTeX for “Lakes Michigan–Huron rise in March 1991 but remain near average”RIS for “Lakes Michigan–Huron rise in March 1991 but remain near average”