I did not know these ranges. Thank you, that is very interesting.
It looks like some do and some don't, proving my assumptions rather uninformed. The southern US border area looks to range from about 60-25%, distributed more towards the high end of the range.
I'm aware of coastal deserts like the Atacama which have exceptionally low precipitation but lots of foggy conditions, but I don't know of any like that in the US areas described.
Regardless, I still imagine that satellite, drone, and observation posts are the smart way to create the absurd Iron Curtain down there. Not that we should...
It looks like some do and some don't, proving my assumptions rather uninformed. The southern US border area looks to range from about 60-25%, distributed more towards the high end of the range.
I'm aware of coastal deserts like the Atacama which have exceptionally low precipitation but lots of foggy conditions, but I don't know of any like that in the US areas described.
Regardless, I still imagine that satellite, drone, and observation posts are the smart way to create the absurd Iron Curtain down there. Not that we should...