Lake Superior water temperature surprisingly cold after such a warm summer
Oct 23, 2018 03:56PM
● By Editor
By Mark Torregrossa of Mlive.com - October 23, 2018
The following graphs show the entire lake average surface water temperature. The various colored lines are the past six years. Notice where most of the Great Lakes sit now with temperatures.
The temperature chart of Lake Superior is the coldest of all the Great Lakes. Lake Superior is now about four degrees Fahrenheit colder than the long term average.