Via: http://sunshinehours.wordpress.com/2014/09/22/global-sea-ice-extent-sep-22-2014-highest-since-1998/
Global Sea Ice Extent Sep 22 2014 – 356,000 sq km above the 1981-2010 mean. Data for Day 264. Data here.
The last time there was more global sea ice extent on day 264 was 1998.
Years with less global sea ice on this day: 1979 1984 1989 1990 1991 1993 1995 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013