View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand. You might also be interested in our 'Seven-station' series temperature data. This ...

The graph shows carbon dioxide (CO 2) levels measured at Baring Head, NIWA’s clean air station, near Wellington. This station has been running since 1972 and is home to the longest running continuous ...

These datasets are available in a range of formats.

These datasets are available in a range of formats.

Data stored in each record include the location of the sample site, sampling method and the fish species present, with many records also containing information on fish abundance and size, and a ...

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.

NIWA collects and generates as part of its Climate Station Network observational data in “10 min” format (data reported in 10 minute intervals). The following parameters are reported. Wind MEAN_SPD10 ...

Drought forecasting dashboard The drought forecasting tool uses innovative climate modelling, the latest in machine learning and other data-driven techniques to predict rainfall 35 days ahead. Helping ...

This Climate Change Adaptation Toolbox helps you find out about the changing climate, what it might mean for your business, organisation or community and what you can do about it. You can assess your ...

On this page: People Species and ecosystems Economy and business Infrastructure Places New opportunities Researchers in New Zealand, and around the world, are beginning to understand the different ...

Our vessels are world-class environmental monitoring and research platforms with the most stringent health and safety standards. We have more than 40 years of experience working in New Zealand’s ...

The Global Warming Potential (GWP) of a greenhouse gas is its ability to trap extra heat in the atmosphere over time relative to carbon dioxide (CO 2). This is most often calculated over 100 years, ...