* If everything was completely flat, and there was no drainage, a foot of rain would mean water 1 foot high everywhere.
* However in the real world, things aren’t flat, and there is drainage, so things are much different.
* There will be lots of water concentrated in some spots and very little in others.
* And that drainage we talked about, it takes time.
* So if 1 foot of rain fell today….but 2 inches of rain fell yesterday and the day before, and the day before the ground will be saturated and that 1 foot won’t drain as quickly as it usually does.
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