condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.04941216666666667 0.0 0.154578 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0