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File: enso-blog-all-la-nina-winters-map-20241022.png

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Alternate Text: Map of North America showing below-average snowfall across the southern Unites States and above-average snowfall across the northern United States
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Map of North America showing below-average snowfall across the southern Unites States and above-average snowfall across the northern United States

Image caption

January–March snowfall during all 22 La Niña winters from 1959–2024 compared to the average for all January–March periods from 1991–2020. The long-term trend in snowfall over this period has been removed, meaning the maps better show the influence of La Niña on its own. NOAA Climate.gov map, based on ERA5 reanalysis data and analysis by Michelle L’Heureux.