Scientists at NASA's Goddard Institute for Space Studies (GISS) concluded that the month of September in 2016 was the warmest September in its 136 years of record-keeping. This year's record-warm September adds to the already long streak if all-time warm months, making 11 of the past 12 consecutive months going back to October 2015 new monthly high-temperature records.
“Monthly rankings are sensitive to updates in the record," says GISS director Gavin Schmidt. “We continue to stress that while monthly rankings are newsworthy, they are not nearly as important as long-term trends."
