condition	mean	min	max
4 h after light	7.293205	4.52621	10.0602
8 h after light	8.380735	7.92101	8.84046
12 h after light	7.59164	6.62851	8.55477
4 h after dark	10.404755000000002	9.84861	10.9609
8 h after dark	11.04393	8.71006	13.3778
12 h after dark	10.49294	8.49778	12.4881