National Umbrella Day (41/365)

A day to celebrate Rhianna songs? Nah…too obvious, so here’s a map of annual rainfall. Simple prompt. Couple of glitches in the legend but who looks at them anyway?

Rainfall map

Original Prompt (ChatGPT)

It’s national umbrella day so could you create a meteorological map that shows average annual rainfall across the world. This map needs to be serious, and so rainbow colour schemes are most certainly not allowed.