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
Moist air holds heat better than dry air.
114
Dirty snow melts faster than clean.
350
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Snowiest city in the U.S. : Blue canyon, California.
112
The speed of a typical raindrop is 17 miles per hour.
181
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113