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Old Faithful can vary in height from 100-180 feet with an average near 130-140 feet. This has been the historical range of its recorded height. Eruptions normally last between 1.5 to 5 minutes.
Old Faithful, a popular draw at Yellowstone, erupts every 90 minutes or so, shooting boiling water 100 feet or more toward the sky. The water tumbles through the cold-by-comparison air, plunges ...
By the way, Old Faithful’s water can be as hot as 204 degrees F, which freezes faster than cold water in cold temperatures, according to Science Alert.
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