Among the many hydrologic bellwethers in the swamp ...
Is gauging drought by when (and how long) pond apples roots go dry.
This year it's been 2.3 months, i.e. 11 weeks (and going.)
The long-term average is 1.4 months.
By long term I mean the past 25 years. Before canals and levees the pond apple probably never, or only rarely, ever went dry.