Dirty snow melts faster than clean.
350
The winter of 1912 was so cold that Niagara Falls froze over.
35
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
Moist air holds heat better than dry air.
114
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Snowiest city in the U.S. : Blue canyon, California.
112