That’s correct, the US population density correlates fairly closely with the average annual rainfall: https://en.wikipedia.org/wiki/United_States_rainfall_clima

That’s correct, the US population density correlates fairly closely with the average annual rainfall: https://en.wikipedia.org/wiki/United_States_rainfall_climatology#/media/File:Average_precipitation_in_the_lower_48_states_of_the_USA.png https://en.wikipedia.org/wiki/United_States_rainfall_climato...