condition mean min max 4 h after light 7.238379999999999 6.99526 7.4815 8 h after light 6.24782 5.15189 7.34375 12 h after light 5.754049999999999 4.53219 6.97591 4 h after dark 11.64525 10.2249 13.0656 8 h after dark 7.94278 7.10876 8.7768 12 h after dark 8.329 8.06328 8.59472