condition	mean	min	max
4 h after light	3.6	3.6	3.6
8 h after light	3.8	2.4	5.2
12 h after light	5.0	2.5	7.5
4 h after dark	3.75	3.3	4.2
8 h after dark	8.4	3.6	13.2
12 h after dark	3.8	2.5	5.1