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

RONI_graph.png

A graph showing the sea temperature thresholds of the traditional method vs the new relative method for defining El Niño and La Niña.
Earth Sciences New Zealand

Graph showing the sea temperature thresholds of the traditional method vs the new relative method for defining El Niño and La Niña.