World Water Levels

Lake Ontario at Olcott

Lake Ontario at Olcott read 74.914 m above IGLD 1985 at .

That is above the normal range for the date, in the highest 10 percent of the daily averages of these dates in the 57 years between 1967 and 2025.

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

Normal range and official levels

The normal range for 5 October is 74.55 m to 74.88 m: the 10th to 90th percentile of the daily averages from 28 September to 12 October in 57 years between 1967 and 2025.

Records

  • Highest daily average in our series since 1 January 1967: 75.939 m on 12 June 2019.
  • Lowest daily average in our series since 1 January 1967: 74.237 m on 4 January 1999.

About this gauge

Olcott is a gauge on Lake Ontario in New York, United States.

It lies at 43.3384° N, 78.7273° 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