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Meteorological instruments -- Measurement of Precipitation

Ordinary Rain-gauge

Ordinary Rain-gauge

The ordinary rain-gauge is dedicated for use in manned weather station.  The rain-gauge used at the Observatory Headquarters is 203 mm in diameter, which is a requirement for the rain-gauge operating in tropical region.  Hourly rainfall observations are made manually.

Various parts of an Ordinary Rain-gauge
Various parts of an Ordinary Rain-gauge

The rain is collected by the funnel and flow into the collecting can. Rainfall is measured by pouring the collected rain water into a separate measuring cylinder.