-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
Moist air holds heat better than dry air.
114
Oak trees are struck by lightning more than any other tree.
266
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113