The University of Alabama, Huntsville (UAH) published their satellite derived Advanced Microwave Sounder Unit data set of the Lower Troposphere for May 2008. The conclusion over at the What’s Up With That blog is that for May…
It is significantly colder globally, colder even than the significant drop to -0.046°C seen in January 2008.
(click to enlarge)
Read more here. And yes I know, we don’t live in the troposphere.