Dirty snow melts faster than clean.
350
The speed of a typical raindrop is 17 miles per hour.
181
The winter of 1912 was so cold that Niagara Falls froze over.
35
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
9 out of 10 lightning strike victims survive!
246
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96