Estimates for this upcoming week are a takedown of another 80 to 100 billion cubic feet which would put the final storage heading into spring only near 1.8 trillion cubic feet, shouting distance from the five year average.

FORBES: My Prediction Was Wrong: Why We Didn't Get To $8 Natural Gas

The radon concentration in the average UK home is about 20 becquerels per cubic metre.

BBC: Radon

At less than 1, 200 cubic metres a second, this flood is smaller than even an average spring flood, let alone one of the mightier deluges of the past.

ECONOMIST: Flooding the Grand Canyon

The average coal-bed methane shaft in Wyoming produces only about 166, 000 cubic feet (4, 700 cubic metres) of useful stuff each day.

ECONOMIST: Energy supplies