condition	mean	min	max
4 h after light	7.0	7.0	7.0
8 h after light	3.0999999999999996	1.4	4.8
12 h after light	3.4	2.8	4.0
4 h after dark	4.35	2.0	6.7
8 h after dark	5.9	4.8	7.0
12 h after dark	8.0	5.8	10.2