Great Lakes Average Ice Concentration Data
Great Lakes Average Ice Concentration Graphs
Long term average ice concentration compared to current year (Graphs)
Daily interpolations for 2006-2013 provided by the Great Lakes Aquatic Habitat Framework and used with their permission
1973-2024 compared to 2026
Long term average ice concentration (Data)
Daily interpolations for 2006-2013 provided by the Great Lakes Aquatic Habitat Framework and used with their permission