St. Clair River at Fort Gratiot
The St. Clair River at Fort Gratiot read 176.595 m above IGLD 1985 at .
That is within the normal range for the date.
- Up 0.259 m in 24 hours.
- Up 0.103 m in 7 days.
Long views: the past year, the past decade and the whole record
Normal range and official levels
The normal range for 5 October is 175.98 m to 177.04 m: the 10th to 90th percentile of the daily averages from 28 September to 12 October in 54 years between 1970 and 2025.
Records
- Highest daily average in our series since 1 January 1970: 177.592 m on 6 October 1986.
- Lowest daily average in our series since 1 January 1970: 175.32 m on 19 February 2013.
About this gauge
Fort Gratiot is a gauge on the St. Clair River in Michigan, United States.
It lies at 43.0069° N, 82.4225° 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.