World Water Levels

St. Clair River at Algonac

The St. Clair River at Algonac read 175.424 m above IGLD 1985 at .

That is within the normal range for the date.

Long views: the past year, the past decade and the whole record

Normal range and official levels

The normal range for 5 October is 174.94 m to 175.75 m: the 10th to 90th percentile of the daily averages from 28 September to 12 October in 74 years between 1952 and 2025.

Records

  • Highest daily average in our series since 1 August 1952: 176.234 m on 5 October 1986.
  • Lowest daily average in our series since 1 August 1952: 174.403 m on 21 January 1965.

About this gauge

Algonac is a gauge on the St. Clair River in Michigan, United States.

It lies at 42.6211° N, 82.5267° W.

Its readings come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS).

Heights are given above IGLD 1985, the datum the source names (IGLD 1985).

The newest reading is provisional: the source may still correct it.

See also