condition mean min max 3 h after light 7.254940833333333 2.99926 12.9501 7 h after light 8.0128525 4.11661 14.3018 11 h after light 7.2270675 3.77359 12.1082 2 h after dark 8.821460833333333 1.17454 19.7531 6 h after dark 7.6850775 2.00726 18.9666 10 h after dark 7.751994166666667 2.87786 13.3293