Cold water temperature varies hugely, and while this isn't scientific, anecdotally, open water swimmers experience it in these bands.
Ice swimming embraced by people of happiest country in the world
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Our Guide to Cold Water Swimming, Kate Rew
9 great cold water swimming tips – Vivida Lifestyle
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Memphremagog Winter Swimming Festival
Ice swimming embraced by people of happiest country in the world
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Our Guide to Cold Water Swimming, Kate Rew
Trends in Outdoor Swimming 2023 - Outdoor Swimmer Magazine
