Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25
The winter of 1912 was so cold that Niagara Falls froze over.
35
Dirty snow melts faster than clean.
350
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
The speed of a typical raindrop is 17 miles per hour.
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