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Out of 29 El Niño summers—any summer (June-August) preceding an El Niño winter (December-February)—on record, how many were warmer than average versus cooler than average? This map shows places where warm El Niño summers outnumbered cool ones in red colors, and places where cool El Niño summers outnumbered warm ones in blue. NOAA Climate.gov map, based on analysis by Brian Brettschneider, Alaska NWS.