Every month University of Alabama at Huntsville climatologists John Christy and Roy Spencer report the latest global temperature trends from satellite data. Below are the newest data updated through October, 2009.

Latest Global Temperatures

The data for the chart can be found here. The global average temperatures are increasing at +0.13 degrees Celsius per decade. The northern hemisphere is warming at +0.19 degrees per decade and the southern hemisphere is warming at +0.06 degrees per decade. Interestingly, the satellites show that the north polar region is warming at +0.40 degrees per decade and the south polar region is cooling at -0.06 degrees per decade.