Feb 20, 2013

Winter front makes "splash" on rain chart

The above chart reports weekly rainfall for Big Cypress Nat'l Preserve, i.e. blue bars.  The background light blue and red coding depict the wet and dry seasons, respectively.  The solid and dotted lines depict the  median and mean long-term 7-day rain totals from 1998 to present.  Two things to take note of: (1) During the winter, our expected rainfall amount for any given day is essentially zero.  The irony is that we count on any winter rains, when we get them, to keep the water table buoyant until the summer rains start again.  (2) Can you see how we are now entering the part of the dry season where evapotranspiration starts to increase? Hint: Look at darkening hue of red background.

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