![]() ![]() In 1247, the Song Chinese mathematician and inventor Qin Jiushao invented Tianchi basin rain and snow gauges to reference rain, snowfall measurements, as well as other forms of meteorological data. ![]() Rainfall measurement was also mentioned in the Jewish text about Palestine. Each of the state storehouses were equipped with a rain gauge to classify land for taxation purposes. In the Arthashastra, used for example in Magadha, precise standards were set as to grain production. People living in India began to record rainfall in 400 BCE The readings were correlated against expected growth. The first known rainfall records were kept by the Ancient Greeks, at around 500 BCE. It is used for determining the depth of precipitation (usually in mm) that occurs over a unit area and thus measuring rainfall amount. Standard National Oceanic and Atmospheric Administration rain gaugeĪ rain gauge (also known as udometer, pluvia metior, pluviometer, ombrometer, and hyetometer) is an instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation over a predefined area, over a period of time.
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