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Mapping changes in temperature: every year from 1850 to 2023
(fediscience.org)
Red indicates a higher average temperature than the previous year; blue the opposite.
Thanks for pointing it out, I'll add it in the description right away.
Oh no, I hope you didn't think my criticism was directed at you! You linked the source....most others would not. I'm mad at the writers who include these images and graphs without a key.
/image of Bush pointing at graph with no marked axis