With 57 years of data the average Ice-Out day is April 21.
Earliest Ice-Out date: March 31, 2000
Latest Ice-Out date: May 4, 1996
Information from the following website:
http://climate.umn.edu/
Ice Out Dates For Big Sandy Lake:
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
There are several dates missing data, if you have any historical information or family records on ice outs for these dates, please go to contact us and send us the info .