condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.06890866666666666 0.0 0.206726 12 h after light 0.21250625 0.0 0.427503 3 h after dark 0.262023 0.0 0.786069 6 h after dark 1.0882583333333333 0.374915 1.58452 9 h after dark 0.2566083333333333 0.192486 0.338717 12 h after dark 0.0 0.0 0.0