condition	mean	min	max
4 h after light	9.438179000000002	9.187862	9.688496
8 h after light	7.996668	7.799531	8.193805
12 h after light	8.4808245	7.494873	9.466776
4 h after dark	8.2208235	8.193805	8.247842
8 h after dark	8.5860445	7.93115	9.240939
12 h after dark	8.012235	8.012235	8.012235