condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.326216 0.0 0.978648 9 h after light 0.7890153333333333 0.0 1.62804 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.5649633333333334 0.0 1.69489 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0