-40 degrees Celsius is equal to -40 degrees Fahrenheit.
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Snowiest city in the U.S. : Blue canyon, California.
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The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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9 out of 10 lightning strike victims survive!
246
Moist air holds heat better than dry air.
114
The winter of 1912 was so cold that Niagara Falls froze over.
35
There is enough energy in one bolt of lightning to power a home for two weeks!
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