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El Niño maps and charts
View a collection of maps showing the impact of past El Niño and La Niña events. -
Obtaining climate data from NIWA
NIWA maintains the national climate database for New Zealand, and can supply data in a variety of ways. -
Map W South
Education ResourceThe climate of this area is greatly dependent on its exposure to weather systems from the Tasman Sea and the lie of the Southern Alps to the east. -
Coldest seawater discovered
Feature story06 June 2017The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world -
Common climate and weather terms
Education ResourceConfused about El Niño, or can't tell the difference between an Anticyclone and an Isobar? Let us help. -
Northland
Northland, with its northern location, low elevation and close proximity to the sea is characterised by a mild, humid, and rather windy climate. -
New Zealand Drought Monitor
ServiceThe New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index. -
Clouds
Education ResourceCommon questions about clouds, how they are formed and how they behave. -
Floods
Education ResourceRiver floods occur when water spills from a river channel onto land that is normally dry, and are one of New Zealand's costliest natural hazards. -
Mean monthly sunshine (hours)
These datasets are available in a range of formats. -
Generating synthetic wind data
Research ProjectNIWA 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.