Historical Ice-Out Dates

Median ice-out date: April 25th.
Earliest recorded ice-out date: March 26th in 2012.
Latest recorded ice-out date: May 8th in 1992, 1996, and 1997.
| 1953! | April 14th |
| … | … |
| 1989 | May 4th |
| 1990 | Apr 29th |
| 1991 | Apr 28th |
| 1992 | May 8th |
| 1993 | Apr 26th |
| 1994 | Apr 27th |
| 1995 | Apr 15th |
| 1996 | May 8th |
| 1997 | May 8th |
| 1998 | Apr 17th |
| 1999 | Apr 20th |
| 2000 | Apr 26th |
| 2001 | Apr 23rd |
| 2002 | Apr 19th |
| 2003 | Apr 23rd |
| 2004 | Apr 22nd |
| 2005 | Apr 28th |
| 2006 | Apr 20th |
| 2007 | Apr 22nd |
| 2008 | Apr 25th |
| 2009 | Apr 24th |
| 2010 | Apr 3rd |
| 2011 | Apr 29th |
| 2012 | Mar 26th |
| 2013 | Apr 29th |
| 2014 | ??? |