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Climate Update 97 - July 2007


June's climate

Global setting & climate outlook

Feature article


A monthly newsletter from the National Climate Centre.
July 2007 – Number 97
June – more southwesterlies than usual with resulting cold conditions, particularly in the south. Mostly higher than normal sunshine hours over New Zealand. Low rainfall in Bay of Plenty, and below normal streamflows over much of the country.
Outlook for July to September – air temperatures average or above over much of New Zealand, although cold outbreaks typical of winter remain likely.

June's climate

New Zealand climate in June

Rainfall (click to enlarge).

Temperature (click to enlarge).

June brought lower than normal rainfall in Bay of Plenty, and parts of central New Zealand. More southwesterlies than usual in June meant cold conditions predominated over the South Island. The average temperature for New Zealand (7.9 °C) dropped by 4 °C compared to May. See

Moisture levels recover in the north

Soil moisture (click to enlarge).

Soil moisture levels along the North Island’s east coast recovered strongly in June.

Global setting & climate outlook

Global setting and climate outlook
La Niña on its way
Difference from average global SST (click to enlarge).

Monthly SOI values (click to enlarge).

Conditions in the tropical Pacific are currently neutral, although progressing slowly towards La Niña. The pattern of sea surface temperature anomalies resembles conditions that are typical of La Niñ, with colder than average waters in the far eastern Pacific and slightly warmer than average waters in the western Pacific.


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