Royal Dutch Meteorological Institute; Ministery Of Infrastructure And The Environment

Annual overview world weather
sea ice concentration (Antarctic) July-June 2012
previous year w.r.t. 1981-2010 next year
half year earlier observed values half year later
sea ice concentration (Antarctic) [1] July-June 2012, observed values (Source: NSIDC).

This is an experimental page, the timely availability cannot be guaranteed. The data are usually updated between the 10th and 15th of the month.