The standard rain gauge is said to have been invented by a king named Munjong in order to improve the technology of the agriculture of the kingdom to bring out the best harvest and produce enough raw
materials for clothing as well as food. Meteorology has become the inspiration for such device. The king provided each of the village such precipitation measuring device to help farmers monitor the harvest.
In actuality, a standard
rain gauge consists of three main parts. Firstly, a funnel is used to direct the rain drops to the next part which is the tube that measures the rain fall. The tube can hold up to an inch of precipitation. It has marks or increments that determine the exact volume of the rainfall.
Such marks provide an
accurate reading of the precipitation. Once the water overflows, it goes to the overflow tube that can hold up to four times what the measuring duct can contain. The common mistake, however, in recording the precipitation level is the inclusion of dew drops that entered the gauge after the rain especially at night. That is why, meteorologist must immediately record the precipitation after the rain stopped.
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