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

SST anomalies October 2013

Surface temperature anomalies (ºC) for October 2013, data is from the NOAA OISST Version 2 dataset, available at the NOAA’s Climate Data Center (ftp.cdc.noaa.gov/Datasets/noaa.oisst.v2.highres).