condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0997825 0.0 0.199565 4 h after light 0.0 0.0 0.0 8 h after light 0.102866 0.0 0.205732 12 h after light 0.1136985 0.0 0.227397 2 h after dark 0.0 0.0 0.0 4 h after dark 0.095734 0.0 0.191468 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0