El Niño years are followed by ENSO-neutral years about 50 per cent of the time, the BoM said. El Niño years are followed by La Niña years about 40 per cent of the time, and in about 10 per cent ...

BoM said the El Niño–Southern Oscillation (ENSO) has remained neutral for the past 6 months, despite changes in sea surface temperature patterns consistent with a developing La Niña.