condition mean min max 4 h after light 9.75109 8.49818 11.004 8 h after light 9.73439 8.71698 10.7518 12 h after light 11.0579 10.3448 11.771 4 h after dark 10.219003333333333 7.46751 12.9618 8 h after dark 11.908466666666667 10.4257 13.4187 12 h after dark 10.20828 9.10344 10.8413