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
1973-2014 compared to 2015
1973-2015 compared to 2016
1973-2016 compared to 2017
1973-2017 compared to 2018
1973-2018 compared to 2019
1973-2019 compared to 2020
1973-2020 compared to 2021
1973-2021 compared to 2022
1973-2022 compared to 2023
1973-2023 compared to 2024
1973-2024 compared to 2025
Long term average ice concentration (Data)
Daily interpolations for 2006-2013 provided by the Great Lakes Aquatic Habitat Framework and used with their permission