See How Hot 2023 Was in Two Charts. Hint: Record Hot.
See How Hot 2023 Was in Two Charts. Hint: Record Hot.

See How Hot 2023 Was in Two Charts. Hint: Record Hot.

See How Hot 2023 Was in Two Charts. Hint: Record Hot.
See How Hot 2023 Was in Two Charts. Hint: Record Hot.
To be honest they couldnt chose any worse color palette. They should have not chosen yellow, darker yellow and orange.
Probably used a color palette calibrated to use the blue end of the spectrum for the cooler temperatures since the late 1800s. Those low temperatures have stopped happening.
There's no probably. The legend clearly labels the colors to correlate to decade. It's not related to temperature directly.