The Daily Great Lakes Ice Concentration, 1973 Onward, Version 1 data set has been updated. There were some missing daily ASCII files for the years 2007 to 2009 and 2011 to 2016. These missing files for additional days have been added to the archive and are now available. This data set consists of daily gridded lake ice concentration for the Laurentian Great Lakes from the NOAA Great Lakes Environmental Research Laboratory (GLERL).
Data set DOI: https://doi.org/10.7265/krkb-f591