condition mean min max 4 h after light 53.512442500000006 44.432498 62.592387 8 h after light 51.1907535 45.416342 56.965165 12 h after light 125.326656 96.498178 154.155134 4 h after dark 81.098704 58.075177 104.122231 8 h after dark 168.99734949999998 156.30898 181.685719 12 h after dark 54.580383 54.580383 54.580383