This past June was the warmest globally in a record stretching back to 1891.
That’s the verdict from the Japan Meteorological Agency, which issued its latest monthly report on global temperatures today. You can see how June 2015 stacked up compared to other Junes in the graph above.
Two U.S. agencies — NOAA and NASA — will each issue their own independent reports soon. The details may vary a bit, but it’s unlikely that the ranking will.
Given the strengthening of El Niño in recent m