I have updated the climatologies of previous El Niño precipitation and temperature anomaly maps, with all new graphics and now using "percent of normal" data. For example, below are the precipitation anomaly maps for the last two strong El Niño's; highlighting that even with a specific ENSO category there can be very large differences.
PRECIPITATION - https://ggweather.com/enso2023/us_elnino_precip.html
TEMPERATURE - https://ggweather.com/enso2023/us_elnino_temp.html
ENSO Resource Page - https://ggweather.com/enso.htm
Jan Null, CCM
Certified Consulting Meteorologist
Golden Gate Weather Services