condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.073824 0.0 0.221472 12 h after light 0.04694333333333334 0.0 0.14083 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0