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File: ENSO_snowyears_counts.png

Map of North America showing number of moderate-to-strong El Niño years with below-average snowfall

Image caption

Number of years with below-average snowfall during the 13 moderate-to-strong El Niño winters (January-March average) since 1959. Red shows locations where more than half the years had below-average snowfall; gray areas below-average snowfall less than half the time. NOAA Climate.gov map, based on ERA5 data from 1959-2023 analyzed by Michelle L'Heureux.