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Retrospective: June-August 2019 Outlook

June – August 2019 pressure was forecast to be higher than normal to the west and northwest of New Zealand and below normal to the south of the country. This was expected to be associated with more westerly quarter winds than normal. Actual pressures were lower than normal over and south of New Zealand. This pressure set up resulted in more south-westerlies.

Predicted air temperature: June –August 2019 temperatures were forecast to be above average for the east of the South Island with about equal chances for near or above average temperatures for the rest of the country.

Outcome: Actual temperatures were near average for parts of Northland, Auckland, Waikato, the West Coast and the north of the South Island. The remainder of the country saw above average temperatures.

Predicted rainfall: June – August 2019 rainfall was expected to be near normal or below normal for the north and east of the North Island as well as the north of the South Island. Near normal or above normal rainfall was expected for the west of the South Island with near normal rainfall expected for the rest of New Zealand.

Outcome: Actual rainfall was near normal for the majority of the country. Pockets of above normal rainfall were observed in Marlborough, Manawatu-Whanganui and Taranaki. Below normal rainfall was observed in Gisborne and parts of Otago.