Heat Chart: Monthly Average Global Temperatures Relative to 1881-1910
Image via Rosamond Hutt's World Economic Forum post "9 things you absolutely have to know about global warming." This heat chart is used to back up the statement "We’ve now had 627 months warmer than normal, when compared with an 1881-1910 baseline."
For pushback on this and other global warming evidence, see the discussion in the Storify story "Climate Change Science and Climate Change Orthodoxy."