October's climate
New Zealand climate in October
Rainfall (click to enlarge).
Temperature (click to enlarge).
October 2007 was stormy and generally cold with deep depressions tracking south of New Zealand and frequent westerly gales. Temperature anomalies were positive in the north and negative in the south of the country. The national average temperature of 11.7 ºC was 0.5 °C below average.
Rainfall was almost 200% of normal in parts of the northwest of the South Island, and in inland parts of north Canterbury, and above normal in many other regions.
For more information see www.niwascience.co.nz/ncc/cs/mclimsum_07_10
Soil moisture deficit Soil moisture (click to enlarge). Soil moisture exceeded field capacity in Fiordland, Gisborne, and Wairarapa. Moisture deficits of more than 110 mm occurred toward the end of the month in parts of Marlborough and Central Otago. |
River flows River flows (click to enlarge). Stream flows were well above normal in the southwest of the North Island and the northern and southern South Island and near normal elsewhere. |
August to October: the climate we predicted and what happened
(click to enlarge).
Rainfall
Predicted: Normal or above normal rainfall in the north of the North Island, normal in the east of the North Island, and normal or below normal elsewhere.
Outcome: Mostly normal, with some areas below normal in Northland, Bay of Plenty, Hawke’s Bay, coastal north Taranaki and Otago; above normal in the southwest of the South Island.
(click to enlarge).
Air temperature
Predicted: Average or above average in the North Island and southwest of the South Island, average in the north of the South Island, and below average or average in the east of the South Island apart from Marlborough.
Outcome: Average or above average in the north and east of the North Island, andaverage elsewhere. In the South Island mostly average with some cool areas.
(click to enlarge).
River flows
Predicted: Normal or above normal in the north of the North Island, normal or below normal in the west of the North Island, and north, west and south of the South Island, normal in the east of the North Island, below normal in Canterbury, and in North and East Otago.
Outcome: River flows were above normal in Nelson, Buller & western Southland, below normal in the North Island East Cape region and near normal in other locations.