A weekly update describing soil moisture patterns across the country to show where dry to extremely dry conditions are occurring or imminent. Regions experiencing significant soil moisture deficits ...

Temperature Temperatures were well above average (>1.20°C above average) only in isolated parts of northwest Tasman. Above average temperatures (0.51–1.20°C above average) were recorded in Gisborne, ...

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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 farmers and growers better ...

Please choose in which format you would like to download the dataset, below. Mean monthly sunshine (hours) 1981-2010 (CSV 3 KB) Mean monthly sunshine (hours) 1981 ...

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 ...

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 ...

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 ...

Forecasting sea surface temperatures several months in advance is challenging. To give us insights into what might happen around Aotearoa New Zealand in the months to come, Earth Sciences NZ ...

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Te Kūwaha, NIWA’s National Centre for Māori Environmental Research is a dedicated Māori research team, with a vision to work in partnership with others to enable complementary knowledge systems to ...

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, ...