-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
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
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
There is enough energy in one bolt of lightning to power a home for two weeks!
102
Dirty snow melts faster than clean.
350