On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

NOAA SST Dec 2013

Differences from average global sea surface temperatures for 8th of December 2013 to 6th of January 2014. Map courtesy of NOAA Climate Diagnostics Centre (http://www.cdc.noaa.gov/map/images/sst/sst.anom.month.gif).