What are the uses of rain gauge?
A rain gauge (also known as an udometer, pluviometer, or an ombrometer) is a type of instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation over a set period of time. [
Rain gauge is an meteorological instrument for determing the depth of precipitation (usually in mm) that occurs over a unit area (usually one metre squared) and thus
measuring rainfall amount. One millimetre of measured precipitation is the equivalent of one litre of rainfall per metre squared.
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