Where does El Niño Costero 2023 rank from a historical perspective?

Near Peru & Ecuador, only April 1998 & 1983 were warmer than April 2023, both occurring on the backside of strong El Niño events.

Since 2023 is still in the buildup to El Niño, it's in uncharted territory. pic.twitter.com/ealbAuWUM5

— Ben Noll (@BenNollWeather) April 28, 2023