WASHINGTON — Earth sizzled to a third consecutive hot year in 2016, with scientists mostly blaming man-made global warming with help from a natural El Nino.

Two U.S. agencies and international weather groups reported Wednesday that last year was the warmest on record. They measure global temperatures in slightly different ways, and came up with a range of increases. They're “all singing the same song even if they are hitting different notes along the way. The pattern is very clear,” said Deke Arndt of the National Oceanic and Atmospheric Administration.