-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Moist air holds heat better than dry air.
114
Dirty snow melts faster than clean.
350