
Chuck Koshiol wades to shore after taking his annual polar swim   The earliest ice out recorded on Lake Koronis since 1962 is March 24, 1987. 
in Lake Koronis Sunday afternoon. Diving into the lake behind Koshiol
 is John Dahl. This is the 16th year that Koshiol has taken an icy dip
  in Lake Koronis in March. Because of the unusually warm weather earlier
 this month, the men had to canoe out to the ice this year 
instead of cutting a hole near shore.