condition mean min max 4 h after light 14.221699999999998 13.2708 15.1726 8 h after light 16.2174 15.8129 16.6219 12 h after light 17.7646 17.1207 18.4085 4 h after dark 28.49465 26.6925 30.2968 8 h after dark 19.114649999999997 18.2031 20.0262 12 h after dark 17.65355 17.4733 17.8338