Lake Michigan at Calumet Harbor
Lake Michigan at Calumet Harbor read 176.538 m above IGLD 1985 at .
That is within the normal range for the date.
- Up 0.036 m in 24 hours.
- Down 0.028 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 176.01 m to 177.01 m: the 10th to 90th percentile of the daily averages from 28 September to 12 October in 119 years between 1903 and 2025.
Records
- Highest daily average in our series since 1 February 1903: 177.667 m on 11 January 2020.
- Lowest daily average in our series since 1 February 1903: 175.347 m on 29 February 1964.
About this gauge
Calumet Harbor is a gauge on Lake Michigan in Illinois, United States.
It lies at 41.7297° N, 87.5383° 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.