https://www.ncei.noaa.gov/news/reporting-state-climate-2016
Greenhouse Gases Highest on Record
Global Surface Temperature Highest on Record
Global Lower Tropospheric Temperature Highest on Record
Global Upper Ocean Heat Content Near-Record High
Global Sea Level Highest on Record
Extremes Were Observed in the Water Cycle and Precipitation
The Arctic Continued to Warm, Sea Ice Extent Remained Low
Antarctic Sees Record Low Sea Ice Extent
Global ice and snow cover decline
Tropical cyclones were well above average overall
The State of the Climate in 2016 is the 27th edition in a peer-reviewed series published annually as a special supplement to the Bulletin of the American Meteorological Society. The journal makes the full report openly available online.