Question

why is rain gauge kept in an open space away from trees and buildings​

Answer 1

the rain gauge is kept away from trees and buildings because it prevents the flow of excess of rain water from the leaves and roofs in the rain gauge

Answer 2

Answer:

A rain gauge ( an instrument used for the measurement of rain ) is not kept in open space away from trees and buildings so as to prevent the rain water collected in the buildings and trees from falling into the rain gauge.