Global Sea Ice Extent Anomaly Percent Mean For Year = +0.9% Published on September 8, 2013 by sunshinehours1 Right now the mean for the year for Global Sea Ice Anomaly percent is +0.9% above the 1981-2010 mean. The anomaly have been over +4% earlier in the year and is now almost -2%. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related