April 9 was the official ice-out date for 2021 on Leech Lake, which is earlier than the median ice-out date of April 28. The earliest recorded ice-out date was April 2, 2012. Latest ice-out date was May 23, 1950. For 218 entries of ice-out dates, go to the MN DNR Ice Out Index.
Does anyone know the "official" ice-on date for the fall of 2020? The DNR reports the median ice-on date for Leech Lake is Dec. 1. The earliest recorded ice-on date is Nov. 20, 2018, and the latest date recorded is Dec. 17, 1998. The MN DNR has recorded only 8 ice-on entries.