Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
The winter of 1912 was so cold that Niagara Falls froze over.
35
Dirty snow melts faster than clean.
350
Moist air holds heat better than dry air.
114
Oak trees are struck by lightning more than any other tree.
266
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96