Seasonal climate summaries from summer 2001 to the present.

The mass of carbon emissions can easily be calculated.

How can we help you?

NIWA makes a range of trace gas data freely available on our FTP site.

A hot and steamy summer saw Kiwis heading down to rivers and lakes to cool off. But they weren’t the only ones enjoying the warmer weather – algae had a great time too.

Dissolved oxygen (DO) is a relative measure of the amount of oxygen (O2) dissolved in water.

View a collection of maps showing the impact of past El Niño and La Niña events.

NIWA has recently created synthetic, multi-year, 10-minute wind datasets at 15 wind farm sites across New Zealand. These will be used by the Electricity Commission to model the impact of wind farms on the national grid.

Dry stock farming consists predominantly of pasture grazing beef cattle, sheep, and deer for meat, wool, and velvet production.

Check out UV index forecasts for locations in New Zealand (including ski fields), Australia, the Pacific and Antarctica.