The phrase "rainfall amount" refers to the quantity or measurement of rain that has fallen within a particular area or during a specific period of time.
Sentences with «rainfall amount»
There may be isolated rainfall amounts up to 5 inches possible. (wamc.org)
What causes the difference in rainfall amounts between point A and point B? (slideplayer.com)
New rainfall amounts between a tenth and quarter of an inch possible. (642weather.com)