Rain contains vitamin B12.
188
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Carbon dioxide is a trace gas and by itself will produce little warming. Also, as CO2 increases, the incremental warming is less, as the effect is logarithmic so the more CO2, the less warming it produces.
11
Dirty snow melts faster than clean.
350
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
The speed of a typical raindrop is 17 miles per hour.
181