condition mean min max 4 h after light 7.7481 6.78407 9.43483 8 h after light 4.62741 1.93515 7.43523 12 h after light 5.804123333333333 3.20551 7.28713 4 h after dark 3.4696833333333332 2.81182 4.48142 8 h after dark 4.12795 2.56704 5.34185 12 h after dark 7.16824 4.20597 10.6751