condition	mean	min	max
4 h after light	7.901209	7.509218	8.2932
8 h after light	8.120120499999999	7.366562	8.873679
12 h after light	7.2819155	7.197269	7.366562
4 h after dark	8.017736	7.627466	8.408006
8 h after dark	7.948271999999999	7.509218	8.387326
12 h after dark	7.379819	7.379819	7.379819