How did the El Chichón and Pinatubo volcanic eruptions affect global temperature records? – Part 2

Guest post by Steve Goddard UPDATE 1-15-08: I tried an experiment which some of the null questioners may find convincing. I took all of the monthly data from 1978 to 1997, removed the volcanic affected periods, and calculated the mean. Interestingly, the mean anomaly was positive (0.03) i.e. above the mean anomaly for the 30…

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