condition mean min max 4 h after light 454.7617535 307.210735 602.312772 8 h after light 569.7690210000001 388.30898 751.229062 12 h after light 1109.1962804999998 602.11213 1616.280431 4 h after dark 2348.381964 1369.847441 3326.916487 8 h after dark 2097.9632764999997 1678.593641 2517.332912 12 h after dark 2248.719941 2248.719941 2248.719941