Data for July 2011:

Arctic sea ice at record low for July

Average Arctic sea ice extent for July 2011 was the lowest for July in the satellite data record The previous lowest year for July was 2007, which went to break the record for the lowest ice extent at the end of the melt season. Including 2011 the linear trend for July now stands at -6.8% per decade.

"Between late March and late July first-year (younger) Arctic sea ice has declined by 30%, multi-year ice has declined by 14%, and the oldest ice, or ice older than 5 years, has declined by 16% ."