durleko fu'ivla

x₁ is polar/of a polar climate (Köppen climate E).

See also cimgare, cansuda, mlimiju, cneberi, dunra, lenku, timymo'a.

lensisku

In notes:

cansuda: x₁ is arid/of an arid/desert climate (Köppen climate B).
cimgare: x₁ is tropical/of a tropic climate (Köppen climate A).
cneberi: x₁ is continental/of a continental climate (Köppen climate D).
mlimiju: x₁ is temperate/of a temperate climate (Köppen climate C).