| Year | Max Depth (cm) | Date |
|---|---|---|
| 2024 | none | – |
| 2023 | 13.0 | January 7 |
| 2022 | 62.0 | January 9 |
| 2021 | 23.0 | January 2 |
| 2020 | 77.0 | January 20 |
| 2019 | 24.0 | December 27 |
| 2018 | 69.0 | February 16 |
| 2017 | 48.0 | November 19 |
| 2016 | 20.0 | January 1 |
| 2015 | 44.0 | February 8 |
| 2014 | 33.0 | March 8 |
| 2013 | 23.0 | December 22 |
| 2012 | 75.0 | January 24 |
| 2011 | 47.0 | December 19 |
| 2010 | 36.0 | December 28 |
| 2009 | 60.0 | January 8 |
| 2008 | 36.0 | December 31 |
| 2007 | 35.0 | December 22 |
| 2006 | 10.0 | January 14 |
| 2005 | 14.0 | January 17 |
| 2004 | 16.0 | January 9 |
| 2003 | 41.0 | November 29 |
| 2002 | 18.0 | February 2 |
| 2001 | 36.0 | December 19 |
| 2000 | 28.0 | December 26 |
| 1999 | 94.0 | February 12 |
| 1998 | 37.0 | December 31 |
| 1997 | 57.0 | January 6 |
| 1996 | 49.0 | December 20 |
| 1995 | 29.0 | December 3 |
| 1994 | 36.0 | December 11 |
| 1993 | 55.0 | January 24 |
| 1992 | 59.0 | December 23 |
| 1991 | 34.0 | December 20 |
| 1990 | 86.0 | December 4 |
| 1989 | 3.0 | December 24 |
| 1988 | none | – |
| 1987 | none | – |
| 1986 | 32.0 | January 7 |
| 1985 | 18.0 | November 5 |
| 1984 | none | – |
| 1983 | 32.0 | January 2 |
| 1982 | 61.0 | January 13 |
| 1981 | 7.0 | February 14 |
| 1980 | 33.0 | December 8 |
| 1969 | 122.0 | February 9 |
| 1968 | 160.0 | February 5 |
| 1967 | 71.0 | February 2 |
| 1966 | 58.0 | January 13 |
| 1965 | 79.0 | January 12 |
| 1964 | 48.0 | December 4 |
| 1963 | 51.0 | February 5 |
| 1962 | 64.0 | January 27 |
| 1961 | 81.0 | December 29 |
| 1960 | 69.0 | January 16 |
| 1959 | 119.0 | January 27 |
| 1958 | 112.0 | January 1 |
| 1957 | 160.0 | December 29 |
| 1956 | 119.0 | December 17 |
| 1955 | 50.0 | December 6 |