[Email 0071 from Michael Mann] pointed out to him that we certainly don’t know the GLOBAL mean temperature anomaly very well, and nobody has ever claimed we do (this is the question he asked everyone). There is very little information at all in the Southern Hemisphere on which to base any conclusion.
So I told him that of course the answer to that question is *no* and it would be surprising if anyone answered otherwise. But, as I proceeded to point out, that’s the wrong question. I pointed out that a far more sensible question is, “do we know the relative temperature anomaly for the NORTHERN HEMISPHERE to within that accuracy, and that we almost certainly do know that.
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