condition	mean	min	max
4 h after light	9.2577475	9.139745	9.37575
8 h after light	9.470312	9.360773	9.579851
12 h after light	9.772267	9.37575	10.168784
4 h after dark	9.5988365	8.748069	10.449604
8 h after dark	8.613768	8.226985	9.000551
12 h after dark	9.086268	9.086268	9.086268