condition	mean	min	max
4 h after light	3.4	3.4	3.4
8 h after light	10.35	7.1	13.6
12 h after light	5.4	5.3	5.5
4 h after dark	5.0	3.2	6.8
8 h after dark	14.2	6.4	22.0
12 h after dark	5.45	3.9	7.0