Apr 25, 2018

Water Year Explained

Calendar year be darned,

May 1st marks the start of a new "water year" in south Florida.
The animation above shows the difference
between the calendar and water year.  Blue labeled
boxes are reliably rainy months, yellow reliably
dry and green for months that could
go either way.
The reason?

South Florida's water table typically bottoms out in May.

May also marks the start of the 5-6 rainy month stretch.

In terms of hydrologic book keeping, May 1st makes a lot of sense.

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