Misery Index

The sun rises at Cullercoats Bay on Engalnd's north east coast, Thursday July 26, 2018. Temperatures are expected to hit 35C (95 Fahrenheit) today as the heatwave continues across the UK. (Owen Humphreys/PA via AP)

Hot enough for you? Bring out the wet bulb kit

Many people still in government can remember when federal agencies near the White House had windows that opened and fans struggled to create a breeze.

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