2007-09-25 11:40:19 · 6 answers · asked by kotanation 1 in Science & Mathematics ➔ Weather
You can measure it with any cylindrical vessel (with the same radius throughout as it's opening). You let the rain fall in it and after it stops, you measure how many millimeters of water there is inside the vessel. Each mm equals one liter per square meter.
2007-09-25 11:53:12 · answer #1 · answered by Anonymous · 2⤊ 1⤋
It is called a rain gage.
It can be as simple as a straight sided tube which can be measured with a ruler or more complex.
The majority of "official" rainfall gages are called tipping buckets. They have a funnel that drains into a little divided trough that is mounted on a pivot. Each side of the trough holds the volume that is equal to 1/100 of an inch of the area of the top of the funnel. So each time 1/100 of an inch of rain falls, it tips to the other side of the trough to allow the funnel to fill the other side. There is a contact that records each time the trough tips and this is what is counted electronically. The other types that are used are the standard 8 inch gage which has an tube that is 1/10 the area of the funnel and is measured by simply inserting a ruler in the tube. Since the tube is 1/10 the area of the funnel, 1/10 inch in the tube is equal to 1/100 inch of rain.
There are many others rain gages used for accurate readings but most have the same thing in common. A funnel that is 10 times the area of the collection tube and a way to measure the depth of the rain.
2007-09-26 06:52:58 · answer #2 · answered by Water 7 · 1⤊ 0⤋
A rain gauge. It's a tube that has measurements on the side.
2007-09-25 13:04:44 · answer #3 · answered by Anonymous · 0⤊ 0⤋
A measuring glass is used to measure the rainfall; a rain gauge is used to collect the rainfall.
2007-09-27 17:18:16 · answer #4 · answered by Arasan 7 · 0⤊ 0⤋
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2016-11-06 09:06:15 · answer #5 · answered by purifory 4 · 0⤊ 0⤋
a rain gauge and it is measured in mm or inches
2007-09-25 11:43:35 · answer #6 · answered by Anonymous · 0⤊ 0⤋