Dirty snow melts faster than clean.
350
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Snowiest city in the U.S. : Blue canyon, California.
112
Moist air holds heat better than dry air.
114
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96