-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
The winter of 1912 was so cold that Niagara Falls froze over.
35
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
Rain contains vitamin B12.
188
Oak trees are struck by lightning more than any other tree.
266