Here's a look at the daily build of El Niño across the eastern equatorial Pacific (Niño 3.4 monitoring region) since March 2023. Weekly sea surface temperature anomalies are nearly square between 1997 and 2015 for the week ending July 3rd (2015 warmest of the modern years). pic.twitter.com/vtpV7qsggn

— Michael Lowry (@MichaelRLowry) July 3, 2023