Note: I'm blogging this from Atlanta, where I am at the TWC Pioneers reunion. Bob was kind enough to provide this post so I can relax a bit (though I think I'll chase a NOAA USHCN weather station today anyway). His figure 10 (below) is interesting, his figure 11 even more so. - Anthony
Guest post by Bob Tisdale
With the recent release of the CRUTEM4 data came the expected two-sided discussion (argument) about the changes from the earlier version of the dataset, CRUTEM3.