condition	mean	min	max
4 h after light	9.627068	9.354014	9.900122
8 h after light	9.5691515	9.290445	9.847858
12 h after light	10.318664	10.231216	10.406112
4 h after dark	9.6279775	9.420362	9.835593
8 h after dark	12.070093	11.222609	12.917577
12 h after dark	9.60604	9.60604	9.60604