OK land of Oz, get yourselves right-side up and tell us which of these lines is the daily temperature record for Northam, Western Australia from 1920 and which is from 2020, otherwise known as the year when everyone had the vapours over a climate emergency. And if you can’t tell which is which, look down under for the answer, although the real answer is it can’t have been much of an emergency.

Here’s the answer:

Some of our alert readers have noted that these charts tend to show slightly milder winters and no change in the other seasons. If that’s what the activists call an emergency, we’ll take it.