I find the Climate Reanalyzer graphs very instructive - at a glance one can see how extreme the situation is:
https://climatereanalyzer.org/clim/sst_daily
The anomaly map mode especially. Thanks for sharing. I made a toy site recently out of interest: https://elnino.observer
alt Hacker News
The anomaly map mode especially. Thanks for sharing. I made a toy site recently out of interest: https://elnino.observer