NIWA’s climate scientists can now confirm what you may have suspected. After carefully poring through more than a century’s worth of data, it has been officially determined that winter 2022 was Aotearoa New Zealand’s warmest and wettest on record.

Because of its exposure to disturbed weather systems from the Tasman Sea, this climate zone is often quite windy, but has few climate extremes.

The majority of New Zealanders are able to recall a story about catching eels when they were children.

More information about our online freshwater databases.

Understanding what happens above and below ground during a flooding event, and how it is different from normal rainfall conditions

Here are some simple steps to minimise the effects of dairying on water quality and mahinga kai.

Urbanisation has changed the face of many waterways that flow through urban areas

Understanding how hazards impact people and the environment provides the foundation for informed decision making for a resilient Pacific.

A glossary of common climate change and meteorological terms.

There are different types of instrument available for measuring water level.

Our southwest Pacific research focuses on recent and historic climate and weather activity, including our involvement in ACRE Pacific data rescue.

NIWA provides national capabilities in Water Quality Monitoring.