The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Rain contains vitamin B12.
188
The winter of 1912 was so cold that Niagara Falls froze over.
35
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
The speed of a typical raindrop is 17 miles per hour.
181
Dirty snow melts faster than clean.
350