-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
The winter of 1912 was so cold that Niagara Falls froze over.
35
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Dirty snow melts faster than clean.
350
In ten minutes, a hurricane releases more energy than all the world's nuclear weapons combined!
371