November's climate

New Zealand climate in November

Rainfall (click to enlarge).

Temperature (click to enlarge).

Contrasts in climate from west to east were a feature of November. Eastern Northland and Gisborne were drier than normal, but it was very wet in Horowhenua, and on the Kapiti Coast, as well as in much of the South Island. The month’s temperatures were more typical of midsummer in Gisborne and Hawke’s Bay, rather than spring. The southwest of the South Island was cool, and it was windier than usual in the south and east of the North Island and over much of the South Island.

For more information on the climate in November 2006, visit the climate summaries page at www.niwascience.co.nz/ncc/cs/mclimsum_06_11

Dry in Gisborne and Hawke’s Bay

Soil moisture (click to enlarge).

At the end of November soils in parts of Northland, Gisborne, and Hawke’s Bay were drier than normal. Soils in much of the west and south of the North Island, and the west of the South Island, were near or at field capacity.

 

High flows in wet areas

River flows (click to enlarge).

Many catchments across New Zealand delivered high river flows in November, although low flows were recorded in the far north and in some eastern districts.

September to November: the climate we predicted and what happened

(click to enlarge).

Rainfall

Rainfall was higher than predicted in the southwest of both the North and South Islands. Elsewhere the outlook was generally correct.


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Air temperature

Air temperatures were higher than expected in Marlborough and mid to north Canterbury, and in the south and west of the South Island temperatures were mostly in line with the prediction.


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River flows

The outlook was correct for many North Island and eastern South Island flows. Some catchments in the southern North Island and western South Island had higher flows than predicted.


The three outcome maps give the tercile rankings of the rainfall totals, mean air temperatures, and mean river flows that eventuated from September to November, in comparison with the forecast conditions.

As an approximate guide, middle tercile rainfalls typically range from 80 to 115% of the historical normal, and middle tercile temperatures range about the average by plus or minus 0.5 °C.