Dirty snow melts faster than clean.
350
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
The winter of 1912 was so cold that Niagara Falls froze over.
35