What does it mean when the weather reports that there was 1” rainfall?
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Rain gauges are used to measure the rainfall totals. They are simple things that have been around since ancient days. It’s more or less a funnel that feeds into a small tube that is calibrated to certain increments like mm or inches. This allows you to look at it after the rainfall is over and see the measurement as if you were looking at a measurement cup for cooking.
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