MissyA
How cold must it be for the water droplets from Old Faithful to freeze before hitting the ground?
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Yellowstone National Park, Wyoming, Geology, Winter Sports
9 years ago
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Pretty cold! The water coming out of Old Faithful is around 200-250 degrees F. The Yellowstone Association has a lot of information about the park, and might be able to help you find more information.

9 years ago
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