condition mean min max 2 h after light 80.04655 68.5929 92.4946 6 h after light 68.5676 57.3096 83.7059 10 h after light 62.3208 55.8701 70.349 14 h after light 63.05765 46.4854 75.6414 18 h after light 73.23221666666667 47.9179 90.9278 2 h after dark 58.35353333333333 51.6803 68.4923