Flipping the Question: From 'Is It Too Wet?' to 'Is It Too Dry?'

When I first built the Groundwise engine for the Ridewise app , it answered one question: is it too wet to ride? Low wetness meant good conditions. High wetness meant stay home. Exactly what I needed for mountain biking, skateboarding, and other outdoor wheeled activities where surface conditions impacted by weather mattered. Then I started thinking about my garden. I have raised beds, a few containers on the patio, and a lawn that I'd like to keep alive without drowning it. I don't get obsessive about it, and to be honest my lawn is far from impressive. I'm not one of those people who try to maintain golf course grass, far from it. But I've still regularly done that assessment where I look at the sky, vaguely remember whether it rained, and make the same kind of gut call on watering that I used to make about trails. The variables were familiar: recent rain, temperature, sun exposure, how fast things dry. I was running the same mental model, just asking the opposite question. That real