condition	mean	min	max
4 h after light	12.287949999999999	11.4315	13.1444
8 h after light	8.16474	8.04617	8.28331
12 h after light	7.301775	6.72267	7.88088
4 h after dark	10.982016666666667	9.81155	12.1726
8 h after dark	11.7349	11.2098	12.09
12 h after dark	11.8666	11.1978	12.2621