from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the Christ child
- noun (oceanography) a warm ocean current that flows along the equator from the date line and south off the coast of Ecuador at Christmas time
Sorry, no etymologies found.
This is crap as el nino is a short term climate phenomena.
Presumably localized weather patterns may change how that proxy reading site compares to what a true average over every point within that area might be eg, el nino, etc, may shift values locally.
The warm winter we’re having is mostly caused by el nino, but in the 20 years, our el ninos have been stronger and more numerous than the prior 20 years.