condition	mean	min	max
4 h after light	9.18192	4.35866	12.4403
8 h after light	10.63391	3.09243	16.607
12 h after light	11.62702	6.28506	18.27
4 h after dark	12.87093	7.70729	16.0959
8 h after dark	10.87739	6.87597	14.0327
12 h after dark	13.1607	12.9709	13.4477