condition mean min max 4 h after light 0.2733425 0.118982 0.427703 8 h after light 0.4974855 0.452548 0.542423 12 h after light 0.47362499999999996 0.331983 0.615267 4 h after dark 0.45958066666666664 0.390739 0.58478 8 h after dark 0.4076033333333333 0.257565 0.523658 12 h after dark 0.2637913333333333 0.113567 0.382368