condition mean min max 0 h after light 0.21303899999999998 0.170249 0.255829 4 h after light 0.948476 0.335712 1.56124 8 h after light 0.900716 0.631632 1.1698 4 h after dark 0.5031045 0.250809 0.7554 8 h after dark 0.336584 0.295902 0.377266 12 h after dark 0.23146299999999997 0.207896 0.25503