Mean Means (part 2)

Reaching for our inner climatological geek

In part 1 of this series we were left looking at the following chart that gave the impression of ‘global’ warming despite 3 of our 6 fictional weather stations showing clear signs of cooling:

But I am not finished with this data just yet. The next step is to convert it from a temperature series to a temperature anomaly series because that’s what the publ…