Rain-gauge shield
From Glossary of Meteorology
rain-gauge shield
(
Also called wind shield.) A device that surrounds a rain gauge and acts to maintain horizontal flow in the vicinity of the funnel so that the catch will not be influenced by eddies generated near the gauge.
Also called wind shield.) A device that surrounds a rain gauge and acts to maintain horizontal flow in the vicinity of the funnel so that the catch will not be influenced by eddies generated near the gauge.