| Year | Max Depth (inches) | Date |
|---|---|---|
| 2021 | 4.0 | January 1 |
| 2020 | 5.0 | February 6 |
| 2019 | 3.0 | January 3 |
| 2018 | none | – |
| 2017 | 4.0 | January 6 |
| 2016 | 1.0 | January 9 |
| 2015 | 4.0 | February 28 |
| 2014 | 4.0 | February 3 |
| 2013 | 4.0 | December 6 |
| 2012 | 2.0 | February 13 |
| 2011 | 9.0 | February 5 |
| 2010 | 6.0 | January 30 |
| 2009 | 8.0 | December 25 |
| 2008 | none | – |
| 2007 | 3.0 | January 14 |
| 2006 | 5.0 | November 29 |
| 2005 | 2.0 | January 28 |
| 2004 | none | – |
| 2003 | 4.0 | February 9 |
| 2002 | 1.0 | January 1 |
| 2001 | 6.0 | November 29 |
| 2000 | 4.0 | December 27 |
| 1999 | none | – |
| 1998 | none | – |
| 1997 | 3.0 | January 9 |
| 1996 | 1.0 | January 18 |
| 1995 | 5.0 | January 22 |
| 1994 | 2.0 | March 8 |
| 1993 | 1.0 | January 2 |
| 1992 | 3.0 | January 13 |
| 1991 | 1.0 | November 2 |
| 1990 | none | – |
| 1989 | 5.0 | January 14 |
| 1988 | 6.0 | January 6 |
| 1987 | 6.0 | December 15 |
| 1986 | none | – |
| 1985 | none | – |
| 1984 | none | – |
| 1983 | none | – |
| 1982 | none | – |
| 1981 | none | – |
| 1980 | none | – |
| 1979 | 7.0 | February 6 |
| 1978 | 8.0 | February 17 |
| 1977 | 3.0 | January 9 |
| 1976 | none | – |
| 1975 | 1.0 | February 6 |
| 1974 | none | – |
| 1973 | 7.0 | January 6 |
| 1972 | 4.0 | February 11 |
| 1971 | 2.0 | February 21 |
| 1970 | 4.0 | January 1 |
| 1969 | 6.0 | December 30 |
| 1968 | 5.0 | February 22 |
| 1967 | none | – |
| 1966 | 5.0 | January 19 |
| 1965 | 7.0 | January 9 |
| 1964 | none | – |
| 1963 | 1.0 | February 16 |
| 1962 | 3.0 | January 5 |
| 1961 | 1.0 | February 5 |
| 1960 | 4.0 | January 5 |
| 1959 | 4.0 | January 1 |
| 1958 | 6.0 | March 12 |
| 1957 | 1.0 | January 26 |
| 1956 | 3.0 | February 2 |
| 1955 | 3.0 | January 10 |
| 1954 | 4.0 | December 28 |
| 1953 | none | – |
| 1952 | none | – |
| Years | Station | Coordinates |
|---|---|---|
| 1952–2021 | Blanchard 2 SSW | location |