Water Levels in Lake Ontario during the Past Week

 

Location		Daily Mean Levels in IGLD-1985* (m)
	Oct 15	Oct 16	Oct 17	Oct 18	Oct 19	Oct 20	Oct 21
Kingston	74.56	74.56	74.55	74.55	74.55	74.55	74.52
Toronto	74.66	74.64	74.61	74.60	74.61	74.61	74.60
Rochester	74.61	74.60	74.59	74.57	74.55	74.55	74.56
Oswego	74.61	74.60	74.59	74.58	74.55	74.56	74.55
Port Weller	74.66	74.62	74.61	74.60	74.60	74.60	74.59
Cobourg	74.62	74.62	74.60	74.58	74.56	74.55	74.55
Mean Level	74.62	74.61	74.59	74.58	74.57	74.56	74.56

The Long Term Average for the Month of  October is: 74.61 m

 

* International Great Lakes Datum, established in 1985.

NOTE: This information is updated on a weekly basis or more often if there are major changes during the week.