Atmospheric analysis

The 2012-2013 drought affected the entire North Island plus the west coast of the South Island.

NIWA has developed a real time UV display in consultation with the Cancer Society and Sunsmart.

The New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index.

NIWA's High Intensity Rainfall Design System (HIRDS) offers planners and engineers more certainty about the frequency of high-intensity rainfall events, enabling them to better design stormwater drainage, flood defence systems and other vital structures.

NIWA's seafood sector work comprises our fish, fisheries and aquaculture research and consultancy.

You can download these summaries in a range of formats.

This web camera is available thanks to the support of Waikato Regional Council.

The world’s oceans are acidifying as a result of the carbon dioxide (CO2) generated by humanity.

Find out more about free floating species.

Tuna is a generic Māori word for freshwater eels. The word will be used interchangeably in this resource.

Biogas from pig farms

A regional climatology is a summary of the typical weather and climate of a region, based on historical data observations made at climate stations located within the region.