condition	mean	min	max
4 h after light	7.232365	7.09765	7.36708
8 h after light	8.2998935	8.169567	8.43022
12 h after light	7.600524999999999	7.449958	7.751092
4 h after dark	7.692526	7.460948	7.924104
8 h after dark	8.2545715	7.94933	8.559813
12 h after dark	7.252192	7.252192	7.252192