condition	mean	min	max
4 h after light	9.808778499999999	9.090019	10.527538
8 h after light	8.631702	8.346034	8.91737
12 h after light	8.700315	8.333197	9.067433
4 h after dark	9.1210655	9.053792	9.188339
8 h after dark	8.5094685	7.985711	9.033226
12 h after dark	8.948263	8.948263	8.948263