Japan Meteorological Agency

The Earth's surface is warming primarily because of human generated greenhouse gasses, mainly CO2, being added to the atmosphere. Several agencies and organizations track this by combining data from surface thermometers and sea surface temperature measurements. The Japan Meteorological Agency is one such group, and they have just released their updated monthly data for October. The graph above shows the average surface temerature for the month of October for the entire period of their data set (1891 to the present). Not only is October 2015 the warmest October observed, but it is way…