condition mean min max 4 h after light 0.358406 0.0 0.799669 8 h after light 0.930863 0.180533 1.73769 12 h after light 0.600257 0.23361 1.18516 4 h after dark 1.0424606666666667 0.880502 1.145 8 h after dark 0.622404 0.394915 1.05142 12 h after dark 0.403748 0.202287 0.685124