Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Men are 6 times more likely to be struck by lightning than women!
194
Dirty snow melts faster than clean.
350
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 1912 was so cold that Niagara Falls froze over.
35