Great Lakes Ice Cover Data - Ice Year 2012

Ice Year 2012 ArcGIS shapefiles - gis2012.zip (~221 MB)
Ice Year 2012 ASCII files - grid2012.zip (2.7 MB)
Ice Year Graphic images - jpg2012.zip (~22.8 MB)

back to main Great Lakes Ice Cover Data page


(click on thumbnails for larger jpeg images)

GLERL digital ice chart for Nov 29 2011
Nov 29, 2011
GLERL digital ice chart for Dec 1 2011
Dec 1, 2011
GLERL digital ice chart for Dec 2 2011
Dec 2, 2011
GLERL digital ice chart for Dec 3 2011
Dec 3, 2011
GLERL digital ice chart for Dec 4 2011
Dec 4, 2011
GLERL digital ice chart for Dec 5 2011
Dec 5, 2011
GLERL digital ice chart for Dec 6 2011
Dec 6, 2011
GLERL digital ice chart for Dec 7 2011
Dec 7, 2011
GLERL digital ice chart for Dec 8 2011
Dec 8, 2011
GLERL digital ice chart for Dec 9 2011
Dec 9, 2011
GLERL digital ice chart for Dec 10 2011
Dec 10, 2011
GLERL digital ice chart for Dec 11 2011
Dec 11, 2011
GLERL digital ice chart for Dec 12 2011
Dec 12, 2011
GLERL digital ice chart for Dec 13 2011
Dec 13, 2011
GLERL digital ice chart for Dec 14 2011
Dec 14, 2011
GLERL digital ice chart for Dec 15 2011
Dec 15, 2011
GLERL digital ice chart for Dec 16 2011
Dec 16, 2011
GLERL digital ice chart for Dec 17 2011
Dec 17, 2011
GLERL digital ice chart for Dec 18 2011
Dec 18, 2011
GLERL digital ice chart for Dec 19 2011
Dec 19, 2011
GLERL digital ice chart for Dec 20 2011
Dec 20, 2011
GLERL digital ice chart for Dec 21 2011
Dec 21, 2011
GLERL digital ice chart for Dec 22 2011
Dec 22, 2011
GLERL digital ice chart for Dec 23 2011
Dec 23, 2011
GLERL digital ice chart for Dec 24 2011
Dec 24, 2011
GLERL digital ice chart for Dec 25 2011
Dec 25, 2011
GLERL digital ice chart for Dec 26 2011
Dec 26, 2011
GLERL digital ice chart for Dec 27 2011
Dec 27, 2011
GLERL digital ice chart for Dec 28 2011
Dec 28, 2011
GLERL digital ice chart for Dec 29 2011
Dec 29, 2011
GLERL digital ice chart for Dec 30 2011
Dec 30, 2011
GLERL digital ice chart for Dec 31 2011
Dec 31, 2011
GLERL digital ice chart for Jan 1 2012
Jan 1, 2012
GLERL digital ice chart for Jan 2 2012
Jan 2, 2012
GLERL digital ice chart for Jan 3 2012
Jan 3, 2012
GLERL digital ice chart for Jan 4 2012
Jan 4, 2012
GLERL digital ice chart for Jan 5 2012
Jan 5, 2012
GLERL digital ice chart for Jan 6 2012
Jan 6, 2012
GLERL digital ice chart for Jan 7 2012
Jan 7, 2012
GLERL digital ice chart for Jan 8 2012
Jan 8, 2012
GLERL digital ice chart for Jan 9 2012
Jan 9, 2012
GLERL digital ice chart for Jan 10 2012
Jan 10, 2012
GLERL digital ice chart for Jan 11 2012
Jan 11, 2012
GLERL digital ice chart for Jan 12 2012
Jan 12, 2012
GLERL digital ice chart for Jan 13 2012
Jan 13, 2012
GLERL digital ice chart for Jan 14 2012
Jan 14, 2012
GLERL digital ice chart for Jan 15 2012
Jan 15, 2012
GLERL digital ice chart for Jan 16 2012
Jan 16, 2012
GLERL digital ice chart for Jan 17 2012
Jan 17, 2012
GLERL digital ice chart for Jan 18 2012
Jan 18, 2012
GLERL digital ice chart for Jan 19 2012
Jan 19, 2012
GLERL digital ice chart for Jan 20 2012
Jan 20, 2012
GLERL digital ice chart for Jan 21 2012
Jan 21, 2012
GLERL digital ice chart for Jan 22 2012
Jan 22, 2012
GLERL digital ice chart for Jan 23 2012
Jan 23, 2012
GLERL digital ice chart for Jan 24 2012
Jan 24, 2012
GLERL digital ice chart for Jan 25 2012
Jan 25, 2012
GLERL digital ice chart for Jan 26 2012
Jan 26, 2012
GLERL digital ice chart for Jan 27 2012
Jan 27, 2012
GLERL digital ice chart for Jan 28 2012
Jan 28, 2012
GLERL digital ice chart for Jan 29 2012
Jan 29, 2012
GLERL digital ice chart for Jan 30 2012
Jan 30, 2012
GLERL digital ice chart for Jan 31 2012
Jan 31, 2012
GLERL digital ice chart for Feb 1 2012
Feb 1, 2012
GLERL digital ice chart for Feb 2 2012
Feb 2, 2012
GLERL digital ice chart for Feb 3 2012
Feb 3, 2012
GLERL digital ice chart for Feb 4 2012
Feb 4, 2012
GLERL digital ice chart for Feb 5 2012
Feb 5, 2012
GLERL digital ice chart for Feb 6 2012
Feb 6, 2012
GLERL digital ice chart for Feb 7 2012
Feb 7, 2012
GLERL digital ice chart for Feb 8 2012
Feb 8, 2012
GLERL digital ice chart for Feb 9 2012
Feb 9, 2012
GLERL digital ice chart for Feb 10 2012
Feb 10, 2012
GLERL digital ice chart for Feb 11 2012
Feb 11, 2012
GLERL digital ice chart for Feb 12 2012
Feb 12, 2012
GLERL digital ice chart for Feb 13 2012
Feb 13, 2012
GLERL digital ice chart for Feb 14 2012
Feb 14, 2012
GLERL digital ice chart for Feb 15 2012
Feb 15, 2012
GLERL digital ice chart for Feb 16 2012
Feb 16, 2012
GLERL digital ice chart for Feb 17 2012
Feb 17, 2012
GLERL digital ice chart for Feb 18 2012
Feb 18, 2012
GLERL digital ice chart for Feb 19 2012
Feb 19, 2012
GLERL digital ice chart for Feb 20 2012
Feb 20, 2012
GLERL digital ice chart for Feb 21 2012
Feb 21, 2012
GLERL digital ice chart for Feb 22 2012
Feb 22, 2012
GLERL digital ice chart for Feb 23 2012
Feb 23, 2012
GLERL digital ice chart for Feb 24 2012
Feb 24, 2012
GLERL digital ice chart for Feb 25 2012
Feb 25, 2012
GLERL digital ice chart for Feb 26 2012
Feb 26, 2012
GLERL digital ice chart for Feb 27 2012
Feb 27, 2012
GLERL digital ice chart for Feb 28 2012
Feb 28, 2012
GLERL digital ice chart for Feb 29 2012
Feb 29, 2012
GLERL digital ice chart for Mar 1 2012
Mar 1, 2012
GLERL digital ice chart for Mar 2 2012
Mar 2, 2012
GLERL digital ice chart for Mar 3 2012
Mar 3, 2012
GLERL digital ice chart for Mar 4 2012
Mar 4, 2012
GLERL digital ice chart for Mar 5 2012
Mar 5, 2012
GLERL digital ice chart for Mar 6 2012
Mar 6, 2012
GLERL digital ice chart for Mar 7 2012
Mar 7, 2012
GLERL digital ice chart for Mar 8 2012
Mar 8, 2012
GLERL digital ice chart for Mar 9 2012
Mar 9, 2012
GLERL digital ice chart for Mar 10 2012
Mar 10, 2012
GLERL digital ice chart for Mar 11 2012
Mar 11, 2012
GLERL digital ice chart for Mar 12 2012
Mar 12, 2012
GLERL digital ice chart for Mar 13 2012
Mar 13, 2012
GLERL digital ice chart for Mar 14 2012
Mar 14, 2012
GLERL digital ice chart for Mar 15 2012
Mar 15, 2012
GLERL digital ice chart for Mar 16 2012
Mar 16, 2012
GLERL digital ice chart for Mar 17 2012
Mar 17, 2012
GLERL digital ice chart for Mar 18 2012
Mar 18, 2012
GLERL digital ice chart for Mar 19 2012
Mar 19, 2012
GLERL digital ice chart for Mar 20 2012
Mar 20, 2012
GLERL digital ice chart for Mar 21 2012
Mar 21, 2012
GLERL digital ice chart for Mar 22 2012
Mar 22, 2012
GLERL digital ice chart for Mar 23 2012
Mar 23, 2012
GLERL digital ice chart for Mar 24 2012
Mar 24, 2012
GLERL digital ice chart for Mar 25 2012
Mar 25, 2012
GLERL digital ice chart for Mar 26 2012
Mar 26, 2012
GLERL digital ice chart for Mar 27 2012
Mar 27, 2012
GLERL digital ice chart for Mar 28 2012
Mar 28, 2012
GLERL digital ice chart for Mar 29 2012
Mar 29, 2012
GLERL digital ice chart for Mar 30 2012
Mar 30, 2012
GLERL digital ice chart for Mar 31 2012
Mar 31, 2012
GLERL digital ice chart for Apr 1 2012
Apr 1, 2012
GLERL digital ice chart for Apr 2 2012
Apr 2, 2012
GLERL digital ice chart for Apr 3 2012
Apr 3, 2012
GLERL digital ice chart for Apr 4 2012
Apr 4, 2012
GLERL digital ice chart for Apr 5 2012
Apr 5, 2012
GLERL digital ice chart for Apr 6 2012
Apr 6, 2012
GLERL digital ice chart for Apr 7 2012
Apr 7, 2012
GLERL digital ice chart for Apr 8 2012
Apr 8, 2012
GLERL digital ice chart for Apr 9 2012
Apr 9, 2012
GLERL digital ice chart for Apr 10 2012
Apr 10, 2012
GLERL digital ice chart for Apr 11 2012
Apr 11, 2012
GLERL digital ice chart for Apr 12 2012
Apr 12, 2012
GLERL digital ice chart for Apr 13 2012
Apr 13, 2012