condition	mean	min	max
4 h after light	5.69741	5.18762	6.2072
8 h after light	5.987755	5.79462	6.18089
12 h after light	6.624264999999999	6.03906	7.20947
4 h after dark	8.76759	8.16597	9.36921
8 h after dark	8.72193	8.3984	9.04546
12 h after dark	6.62279	6.11977	7.12581