| Off | On | |
| 2022 | April 15 | December 4 |
| 2021 | March 30 | December 7 |
| 2020 | April 6 | December 19 |
| 2019 | April 20 | December 2 |
| 2018 | May 1 | November 28 |
| 2017 | March 8 (Earliest off) | December 14 |
| 2016 | March 16 | December 10 |
| 2015 | April 6 | December 19 |
| 2014 | April 24 | November 21 |
| 2013 | May 3 (Latest off) | November 27 |
| 2012 | March 19 | December 10 |
| 2011 | April 14 | December 6 |
| 2010 | April 2 | December 2 |
| 2009 | April 15 | December 10 |
| 2008 | April 24 | December 7 |
| 2007 | April 6 | December 4 |
| 2006 | April 7 | December 1 |
| 2005 | April 7 | No data |
| 2004 | April 1 | December 14 |
| 2003 | April 6 | November 6 |
| 2002 | April 16 | November 24 |
| 2001 | April 22 | December 2 |
| 2000 | April 1 | December 19 |
| 1999 | April 3 | No data |
| 1998 | March 31 | December 20 (Latest on) |
| 1997 | April 21 | November 17 |
| 1996 | April 22 | November 15 |
| 1995 | April 9 | November 21 |
| 1994 | April 13 | November 30 |
| 1993 | April 17 | November 24 |
| 1992 | April 5 | No data |
| 1991 | April 13 | November 2 (Earliest on) |
| 1990 | April 5 | No data |
| 1989 | April 20 | No data |
| 1988 | April 12 | December 2 |
| 1987 | April 12 | November 8 |
| 1986 | April 7 | November 15 |
| 1985 | April 12 | November 13 |
| 1984 | April 11 | December 1 |
| 1983 | April 12 | November 28 |
| 1982 | April 11 | November 22 |
| 1981 | April 17 | November 21 |
| 1980 | April 15 | November 30 |
| 1979 | April 26 | December 1 |
| 1978 | No data | No data |
| 1977 | No data | No data |
| 1976 | April 18 | November 30 |
| 1975 | April 22 | November 27 |
| 1974 | April 19 | November 13 |
| 1973 | No data | No data |
| 1972 | March 31 | November 15 |
Eagle Lake Improvement Association 