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Bureau Home > Climate > Seasonal Outlooks > Australian rainfall patterns and the IOD

Australian rainfall patterns during positive and negative Indian

Ocean Dipole years

The average impact of positive Indian Ocean Dipole (IOD) events on Australian rainfall patterns is described here. This page includes winter-spring composites of Australian rainfall deciles during eleven selected positive IOD years, commentary and an analysis of the relationship between positive IOD and ENSO.
The average impact of negative IOD events on Australian rainfall patterns is described here. This page includes winter-spring composites of Australian rainfall deciles during ten selected negative IOD years, commentary and an analysis of the relationship between negative IOD and ENSO.

Related information

Definitions

IOD
ENSO

Stevenson screen used to house thermometers for measuring air temperature

Climate

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