NIWA collects and generates as part of its Climate Station Network observational data in “10 min” format (data reported in 10 minute intervals).

Measured in Auckland (Leigh Marine Observatory), Paraparaumu, Christchurch, Lauder, Invercargill. Click on the thumbnail to see a larger version of each of these graphs. Time series of these UV data ...

Definitions of common terms. Alluvium: Loose, unconsolidated (not cemented together into a solid rock) soil or sediments which has been eroded, reshaped by water in some form, and re-deposited in a ...

Baker, C.F., Gubin, Y., Reeve, K. 2018. Observations of hard-shell mating in the portunid crab Charybdis japonica (A. Milne-Edwards, 1861) (Decapoda: Brachyura ...

Cyclone Gabrielle unleashed torrential rain and record floods across Hawke's Bay and Tairāwhiti in the second week of February. In the days that followed, river flow experts and hazard scientists ...

Cyclone Pam’s furious flight path across the South Pacific in March this year illustrated the danger natural hazards pose to life, livelihoods and infrastructural development in the region.

Regional predictions for October – December 2024 The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the ...

Regional predictions for November 2024 – January 2025 The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the ...

Fiona Proffitt investigates the state of New Zealand's freshwater resources and the solutions science can offer As New Zealand tries to squeeze maximum value out of its natural resources, conflicts ...

Outlook summary Following La Niña-like atmospheric patterns near New Zealand during June, a La Niña Watch continues. There’s a 60-70% chance that La Niña will develop during spring. July is expected ...

Chris Appleby and Hilary McMillan measuring river flow in Halcombe Creek, Canterbury. Predicting floods A model that is essential to understanding floods, and forecasting them, is one that simulates ...

Seasonal Climate Outlook for September - November 2024Gisborne, Hawke’s Bay, Wairarapa Probabilities are assigned in three categories: above average, near average, and below average. Temperatures are ...