How to Measure Rain Accumulation
There probably isn't anyone that hasn't wondered how much rain has accumulated if it's been raining for several days. You could turn on the evening news, which may not be completely accurate for your exact location, or prepare in advance and learn how to measure the rain accumulation yourself.
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Instructions
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Purchase a rain gauge. Be sure that you have purchased a rain gauge that has a mounting bracket for a fence post or equivalent. The gauge should consist of a funnel, a measuring tube and an overflow tube that has an approximate 4-inch diameter.
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Mount your rain gauge in a location that is clear of trees, retaining walls and any other building or items that would obstruct the rain from falling into your gauge. Then, just wait for it to rain.
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Look for accumulations of heavy dew which may be visible in your rain gauge even if it has not yet actually rained. Do not count or measure this accumulation in your rain accumulation measurements to be recorded.
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Wait until the rain has completely stopped before starting to read the measurements on your rain gauge. Be careful not to measure the rain that has drained into the overflow tube. The measuring tube is magnified by a factor of 10 so that it is much more visible to read. The standard for measuring rainfall is to the nearest 0.25 mm (0.01) or 1/100 of an inch.
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Keep dated records of your measurements of the rain accumulations. Compare your findings to those of the local weather station or other weather and rain enthusiasts.
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If there happens to be no rain accumulation, simply record for that date "0.00" accumulation.
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Accumulation that is too low to measure is referred to as a "trace" of precipitation.
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Comments
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HaMad Alduwais
Dec 07, 2010
Both the same ... if we assume that it's raining the same amount in the "running way" -
rajendran
May 23, 2009
A standing man will receive more rain or a running man will receive more rain?
