GISTEMP global temperature anomaly, 1880-2015. For the first time, global temperature exceeded 1C above the 19th century average. Graphic: Gavin Schmidt / RealClimate

By Gavin Schmidt
By January 2016 (RealClimate) – To no-one’s great surprise, 2015 was clearly a record year in all the surface temperature analyses (GISTEMP, NOAA, HadCRUT4, Cowtan&Way, JMA + Berkeley Earth). There is a lot of discussion of this in the press, and on the relevant websites, so not much to add here. A few figures didn’t make it into the official announcement (audio) though… [more]

2015 Temperatures