The speed of a typical raindrop is 17 miles per hour.
181
Dirty snow melts faster than clean.
350
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
The winter of 1912 was so cold that Niagara Falls froze over.
35
Snowiest city in the U.S. : Blue canyon, California.
112
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442