| Year | Max Depth (inches) | Date |
|---|---|---|
| 2022 | none | – |
| 2021 | none | – |
| 2020 | 7.0 | April 10 |
| 2019 | none | – |
| 2018 | none | – |
| 2017 | none | – |
| 2016 | 1.0 | November 25 |
| 2015 | none | – |
| 2014 | none | – |
| 2013 | none | – |
| 2012 | none | – |
| 2011 | 6.0 | November 24 |
| 2010 | none | – |
| 2009 | 11.0 | December 15 |
| 2008 | none | – |
| 2007 | none | – |
| 2006 | none | – |
| 2005 | none | – |
| 2004 | none | – |
| 2003 | 3.0 | April 6 |
| 2002 | none | – |
| 2001 | none | – |
| 2000 | none | – |
| 1999 | none | – |
| 1998 | none | – |
| 1997 | none | – |
| 1996 | none | – |
| 1995 | none | – |
| 1994 | none | – |
| 1993 | none | – |
| 1992 | none | – |
| 1991 | none | – |
| 1990 | none | – |
| 1989 | none | – |
| 1988 | none | – |
| 1987 | none | – |
| 1986 | none | – |
| 1985 | none | – |
| 1984 | none | – |
| 1983 | none | – |
| 1982 | none | – |
| 1981 | none | – |
| 1980 | none | – |
| 1979 | none | – |
| 1978 | none | – |
| 1977 | none | – |
| 1976 | none | – |
| 1975 | none | – |
| 1974 | none | – |
| 1973 | none | – |
| 1972 | none | – |
| 1971 | none | – |
| 1970 | none | – |
| 1969 | none | – |
| 1968 | none | – |
| 1967 | none | – |
| 1963 | none | – |
| 1962 | none | – |
| 1961 | none | – |
| 1960 | none | – |
| 1959 | none | – |
| 1958 | none | – |
| 1957 | none | – |
| 1956 | none | – |
| 1955 | none | – |
| 1954 | none | – |
| 1953 | none | – |
| 1952 | none | – |
| 1951 | none | – |
| 1950 | none | – |
| 1949 | 1.0 | April 7 |
| 1948 | none | – |
| 1942 | 16.0 | February 21 |
| 1941 | 20.0 | January 31 |
| 1940 | 15.0 | February 15 |
| 1939 | 28.0 | March 15 |
| 1938 | 13.0 | January 15 |
| 1937 | 10.0 | January 31 |
| 1936 | 32.0 | February 15 |
| 1935 | 38.0 | February 28 |
| 1934 | 46.0 | February 28 |
| 1933 | 26.0 | February 15 |
| 1932 | 4.0 | December 15 |
| 1931 | 30.0 | February 28 |
| 1930 | 34.0 | January 31 |
| 1929 | 24.0 | March 15 |
| 1928 | 22.0 | April 15 |
| 1927 | 34.0 | February 28 |
| 1926 | 36.0 | March 31 |
| 1925 | 15.0 | February 28 |
| 1924 | 18.0 | February 29 |
| 1923 | 40.0 | January 31 |
| 1922 | 36.0 | February 28 |
| 1921 | 14.0 | January 15 |
| 1920 | 51.0 | February 25 |
| 1919 | 13.0 | January 3 |
| 1918 | 24.0 | January 31 |
| 1917 | 39.0 | February 26 |
| 1916 | 24.0 | February 15 |
| 1915 | 18.0 | January 31 |
| 1914 | 12.0 | January 31 |
| 1913 | 16.0 | December 31 |
| 1912 | 48.0 | February 29 |
| 1911 | 30.0 | February 15 |
| 1910 | 6.0 | November 30 |
| 1909 | 48.0 | January 31 |
| 1908 | 5.0 | November 15 |
| 1907 | 10.0 | November 30 |
| 1906 | 1.0 | November 30 |
| 1905 | none | – |
| 1904 | 33.0 | February 28 |
| 1895 | 24.0 | February 15 |
| 1894 | 50.0 | February 28 |
| 1893 | 24.0 | December 31 |
| Years | Station | Coordinates |
|---|---|---|
| 1893–2024 | Madison | location |