Uncertainties: trend - Maximum percent ice cover in the Great Lakes: Difference from 50-year mean (1973-2023)
linkSix lollipop charts highlight deviations in maximum percent ice cover on the five Great Lakes (Lake Michigan, Lake Erie, Lake Superior, Lake Huron, and Lake Ontario) from 1973-2023. The difference in lake ice cover is shown for each lake and across the entire system compared to the 50-year mean (1973-2023).