article_snippet: During February there were days when as much as 85 percent of the Great Lakes surface area was covered with ice, the NOAA Great Lakes Environmental Research Laboratory has reported.
article_snippet: Records show the Great Lakes most widespread freeze was 94.7 percent in 1979.
article_snippet: The ice cover topped out at 92.2 percent last March.
article_snippet: The ice blanket reaches across more than 90 percent of — Lake Superior, Huron and Erie, while Lakes Michigan and Ontario are more than halfway covered.