NOAA NCDC ERSST version4 IOD C1961-2015 Indian Ocean Dipole 1961-2015
IOD C1961-2015 Indian Ocean Dipole 1961-2015 from NOAA NCDC ERSST version4: In situ data: ICOADS2.5 before 2007, NCEP in situ data from 2008 to present. Ice data: HadISST ice before 2015 and NCEP ice after 2015..