Hottest year ever update: First time in nearly half a century that the ice has gone out on Lake Minnetonka in May; just days short of the 1854 latest-ever record; better part of two months later than the 1878 earliest-ever record

May 3, 2013: Boaters rejoice: All agree on Lake Minnetonka ice-out | StarTribune.com

the ice is officially out on Lake Minnetonka — just four days short of the record.
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Either way, it’s the first time in nearly half a century that the ice has gone out on Lake Minnetonka in May

April 17, 2013:  Ice-Out On Lake Minnetonka ‘Bordering On Record-Breaking’ « CBS Minnesota

The median date for ice-out on Lake Minnetonka is April 14. The earliest was March 11 in 1878 and the latest was May 8 in 1854. Only five times in the last 134 years of recorded ice-out history has it been in May.