condition mean min max 0 h after light 0.08411 0.0 0.16822 4 h after light 0.0 0.0 0.0 8 h after light 0.04160695 0.0 0.0832139 4 h after dark 0.04130335 0.0 0.0826067 8 h after dark 0.082838 0.0 0.165676 12 h after dark 0.2522445 0.17582 0.328669