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File: great-lakes-warm-temperatures--20241205--1400px.jpg

Map of warmer-than-normal water temperatures across the Great Lakes on December 5, 2024

Image caption

Map of satellite-based surface water temperatures across the Great Lakes. Temperatures span from 32 (dark purple) to 55 (yellow) degrees Fahrenheit. NOAA Climate.gov image based on data from NOAA's Great Lakes CoastWatch.