With 57 years of data the average Ice-Out day is April 21.
Earliest Ice-Out date: March 26, 2012
Latest Ice-Out date: May 4, 1996
Information from the following website:
http://climate.umn.edu/
Ice Out Dates For Big Sandy Lake:
Sunday, May 12, 2013
2012 3/26
2011 4/26 1989 4/27 1959 4/21
2010 4/2 1988 4/20 1958 4/14
2009 4/22 1986 4/14 1957 4/24
2008 4/26 1985 4/20 1956 5/2
2007 4/22 1984 4/17 1955 4/19
2006 4/12 1983 4/26 1938 4/14
2005 4/14 1980 4/22 1937 5/2
2004 4/18 1975 5/3 1936 5/3
2003 4/15 1974 4/27 1935 4/26
2002 4/19 1973 4/8 1933 4/25
2001 4/29 1972 5/1 1932 4/20
2000 3/31 1971 4/18 1931 4/12
1999 4/11 1970 4/22 1930 4/15
1998 4/7 1969 4/12
1997 4/25 1968 4/12
1996 5/4 1967 4/14
1995 4/24 1966 4/26
1994 4/17 1965 4/29
1993 4/21 1964 4/26
1992 4/17 1963 4/18
1991 4/16 1962 4/26
1990 4/22 1961 4/16
1960 4/20