condition mean min max 0 h after light 9.55398 9.39675 9.71121 2 h after light 7.2776700000000005 5.27153 9.28381 4 h after light 5.8556349999999995 3.50017 8.2111 8 h after light 6.87425 5.43443 8.31407 12 h after light 14.2049 11.8914 16.5184 2 h after dark 16.1959 14.5111 17.8807 4 h after dark 17.10605 16.8716 17.3405 8 h after dark 16.896250000000002 15.8538 17.9387 12 h after dark 10.471145 8.10319 12.8391