condition mean min max 0 h after light 5.66538 5.38186 5.9489 2 h after light 2.9123650000000003 2.69571 3.12902 4 h after light 3.61909 3.5642 3.67398 8 h after light 3.9117349999999997 3.27527 4.5482 12 h after light 8.71648 8.38254 9.05042 2 h after dark 11.974599999999999 10.9186 13.0306 4 h after dark 9.884795 9.56019 10.2094 8 h after dark 10.94415 10.161 11.7273 12 h after dark 7.11371 6.97588 7.25154