condition mean min max 4 h after light 0.00624425 0.0 0.0124885 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0606393 0.0323031 0.0986863 12 h after dark 0.0 0.0 0.0