The speed of a typical raindrop is 17 miles per hour.
181
Moist air holds heat better than dry air.
114
Dirty snow melts faster than clean.
350
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
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

