condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.1746195 0.0 0.349239 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.56721 0.0 1.13442 12 h after dark 0.1789455 0.0 0.357891