Great Lakes Ice Cover Data - Ice Year 2021

Ice Year 2021 ArcGIS shapefiles - gis2021.zip (158 MB)
Ice Year 2021 ASCII files - grid2021.zip (2.1 MB)
Ice Year 2021 Graphic image files - jpg2021.zip (3.9 MB)

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(click on thumbnails for larger jpeg images)

Nov 22, 2020	Nov 23, 2020	Nov 24, 2020	Nov 25, 2020
Nov 26, 2020	Nov 27, 2020	Nov 28, 2020	Nov 29, 2020
Nov 30, 2020	Dec 01, 2020	Dec 02, 2020	Dec 03, 2020
Dec 04, 2020	Dec 05, 2020	Dec 06, 2020	Dec 07, 2020
Dec 08, 2020	Dec 09, 2020	Dec 10, 2020	Dec 11, 2020
Dec 12, 2020	Dec 13, 2020	Dec 14, 2020	Dec 15, 2020
Dec 16, 2020	Dec 17, 2020	Dec 18, 2020	Dec 19, 2020
Dec 20, 2020	Dec 21, 2020	Dec 22, 2020	Dec 23, 2020
Dec 24, 2020	Dec 25, 2020	Dec 26, 2020	Dec 27, 2020
Dec 28, 2020	Dec 29, 2020	Dec 30, 2020	Dec 31, 2020
Jan 01, 2021	Jan 02, 2021	Jan 03, 2021	Jan 04, 2021
Jan 05, 2021	Jan 06, 2021	Jan 07, 2021	Jan 08, 2021
Jan 09, 2021	Jan 10, 2021	Jan 11, 2021	Jan 12, 2021
Jan 13, 2021	Jan 14, 2021	Jan 15, 2021	Jan 16, 2021
Jan 17, 2021	Jan 18, 2021	Jan 19, 2021	Jan 20, 2021
Jan 21, 2021	Jan 22, 2021	Jan 23, 2021	Jan 24, 2021
Jan 25, 2021	Jan 26, 2021	Jan 27, 2021	Jan 28, 2021
Jan 29, 2021	Jan 30, 2021	Jan 31, 2021	Feb 01, 2021
Feb 02, 2021	Feb 03, 2021	Feb 04, 2021	Feb 05, 2021
Feb 06, 2021	Feb 07, 2021	Feb 08, 2021	Feb 09, 2021
Feb 10, 2021	Feb 11, 2021	Feb 12, 2021	Feb 13, 2021
Feb 14, 2021	Feb 15, 2021	Feb 16, 2021	Feb 17, 2021
Feb 18, 2021	Feb 19, 2021	Feb 20, 2021	Feb 21, 2021
Feb 22, 2021	Feb 23, 2021	Feb 24, 2021	Feb 25, 2021
Feb 26, 2021	Feb 27, 2021	Feb 28, 2021