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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Data page
(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 |