Great Lakes Ice Cover Data - Ice Year 2021

Ice Year 2021 ArcGIS shapefiles - gis2021.zip (217 MB)
Ice Year 2021 ASCII files - grid2021.zip (2.9 MB)
Ice Year 2021 Graphic image files - jpg2021.zip (5.4 MB)

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(click on thumbnails for larger jpeg images)

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