-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
Dirty snow melts faster than clean.
350
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Men are 6 times more likely to be struck by lightning than women!
194
The winter of 1912 was so cold that Niagara Falls froze over.
35