The figure shows the monthly sea surface temperatures anomalies between 31 March 2024 to 27 April 2024 (sourced from NOAA on 1 May 2024).
The latest values of the three NINO indices in the tropical Pacific for the week ending 31 March were: NINO3 +0.86 °C, NINO3.4 +1.05 °C, NINO4 +0.77 °C (sourced from the Bureau of Meteorology on 2 April 2024).
Persistent NINO3 or NINO3.4 values warmer than +0.8 °C are typical of El Niño, while persistent values cooler than −0.8 °C typically indicate La Niña.