condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	2.35	2.0	2.7
12 h after light	13.85	2.3	25.4
4 h after dark	5.05	1.0	9.1
8 h after dark	1.7000000000000002	1.6	1.8
12 h after dark	1.25	1.0	1.5