Rain Gauge

A rain gauge (also known as an udometer or a pluviometer or an ombrometer or a cup) 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.

Read more about Rain Gauge:  History, Principles, Types

Famous quotes containing the word rain:

    The LORD will open for you his rich storehouse, the heavens, to give the rain of your land in its season and to bless all your undertakings.
    Bible: Hebrew, Deuteronomy 28:12.