[Old Professer]

Anybody can view comparisons for themselves-it is measured by depth determined by satellite:

http://igloo.atmos.uiuc.edu/cgi-bin/test/print.sh?fm=06&fd=03&fy=2007&sm=04&sd=02&sy=2008

[avacado]

That’s a good site. Thanks.

[DBrow]

Thanks for the link, Old Professor!

Is there an explanation page for the images? The key shows ice percent, but “white” is not listed, and the biggest difference shows up as white.