condition	mean	min	max
4 h after light	6.6934000000000005	6.42117	6.96563
8 h after light	5.11367	4.58379	5.64355
12 h after light	6.80933	6.37036	7.2483
4 h after dark	8.491795	8.08298	8.90061
8 h after dark	6.505535	6.44704	6.56403
12 h after dark	7.44744	7.20999	7.68489