Writing in Real Clear Markets, Aaron Brown looked at the official NASA global temperature data and noticed something surprising. From February 2016 to February 2018, “global average temperatures dropped by 0.56 degrees Celsius.” That, he notes, is the biggest two-year drop in the past century.

“The 2016-2018 Big Chill,” he writes,“was composed of two Little Chills, the biggest five month drop ever (February to June 2016) and the fourth biggest (February to June 2017). A similar event from February to June 2018 would bring global average temperatures below the 1980s average.

Isn’t this just the sort of man-bites-dog story that the…