Oceanic Child Index (ONI)

Time

Atmospheric index

Interpretation

1950-1960, 10 years

ETP (mm)>

Increases

HR%>

Increases

P (mm)>

Increases

Decreases

1960-1990, 30 years

ETP (mm)>

Increases

Decreases

Decreases

T˚C>

Increases

1990-2020, 30 years

ETP (mm)>

Increases

Decreases

Decreases

T˚C>

Increases