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. 2015 May 26;2:150024. doi: 10.1038/sdata.2015.24

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Copyright © 2015, Macmillan Publishers Limited

This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0 Metadata associated with this Data Descriptor is available at http://www.nature.com/sdata/ and is released under the CC0 waiver to maximize reuse.

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Maps are provided for years 1983, 1988, 1998 and 2010, when moderate or severe El Niño events took place. Maps of warming index were obtained from ERA-Interim products.