The winter of 1912 was so cold that Niagara Falls froze over.
35
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Dirty snow melts faster than clean.
350
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Moist air holds heat better than dry air.
114