Good morning, John. Does your pond have any ice on it? I have never seen Lake Mich. in the Wintertime. I have seen Lake Superior in the Wintertime, but I never paid any attention if it have Ice on it. I will have to ask Brad, he went to School at the Univ. of MN.-Duluth.
Ice on the Great Lakes - that reminded me of these poor folks who live on Lake Ontario near Rochester. Two different houses, one pic from last year and the other from 2017. Yikes!