The following maps show the evolution of three-month rainfall and temperature deciles averaged over moderate to strong positive IOD events since 1960. The maps include each overlapping three-month period during April to December, to encompass a typical event from start to finish.

Rainfall

Positive Indian Ocean Dipole April to June rainfall deciles composite map — April–June

Positive Indian Ocean Dipole May to July rainfall deciles composite map — May–July

Positive Indian Ocean Dipole June to August rainfall deciles composite map — June–August

Positive Indian Ocean Dipole July to September rainfall deciles composite map — July–September

Positive Indian Ocean Dipole August to October rainfall deciles composite map — August–October

Positive Indian Ocean Dipole September to November rainfall deciles composite map — September–November

Positive Indian Ocean Dipole October to December rainfall deciles composite map — October–December

Maximum temperature

Positive Indian Ocean Dipole April to June maximum temperature deciles composite map — April–June

Positive Indian Ocean Dipole May to July maximum temperature deciles composite map — May–July

Positive Indian Ocean Dipole June to August maximum temperature deciles composite map — June–August

Positive Indian Ocean Dipole July to September maximum temperature deciles composite map — July–September

Positive Indian Ocean Dipole August to October maximum temperature deciles composite map — August–October

Positive Indian Ocean Dipole September to November maximum temperature deciles composite map — September–November

Positive Indian Ocean Dipole October to December maximum temperature deciles composite map — October–December

Minimum temperature

Positive Indian Ocean Dipole April to June minimum temperature deciles composite map — April–June

Positive Indian Ocean Dipole May to July minimum temperature deciles composite map — May–July

Positive Indian Ocean Dipole June to August minimum temperature deciles composite map — June–August

Positive Indian Ocean Dipole July to September minimum temperature deciles composite map — July–September

Positive Indian Ocean Dipole August to October minimum temperature deciles composite map — August–October

Positive Indian Ocean Dipole September to November minimum temperature deciles composite map — September–November

Positive Indian Ocean Dipole October to December minimum temperature deciles composite map — October–December