Dirty snow melts faster than clean.
350
The speed of a typical raindrop is 17 miles per hour.
181
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
The winter of 1912 was so cold that Niagara Falls froze over.
35
There is enough energy in one bolt of lightning to power a home for two weeks!
102
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Moist air holds heat better than dry air.
114