Royal Dutch Meteorological Institute; Ministery Of Infrastructure And The Environment

 
Climate
Annual overview world weather
sea ice concentration (Antarctic) anomaly January-December 2011
Navigation
previous year w.r.t. 1981-2010 next year
half year earlier observed values half year later
sea ice concentration (Antarctic) anomaly [1] January-December 2011, w.r.t. 1981-2010 (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.