📈 El Niño development continues - the latest Niño 3.4 Index value (central equatorial Pacific) is +0.42˚C.
— Ben Noll (@BenNollWeather) May 4, 2023
At this time in 1982, it was +0.04ËšC & in 1997 it was 0.21ËšC.
Strong El Niño events developed during those years... pic.twitter.com/UOzhXyfYrH