Land areas of the southern hemisphere experienced their fourth warmest March on record while the dry surfaces north of the equator experienced the 12th warmest March on record. See graphic illustration.
Antarctic sea ice extent in March was at its fourth-greatest level of the 31-year observational record. Antarctic sea ice extent reached 15.8 percent above its 1979-2000 average.
Since 1979, Antarctic sea ice extent for March has increased at an average rate of 4.7 percent per decade.