condition	mean	min	max
4 h after light	11.0	11.0	11.0
8 h after light	8.8	4.5	13.1
12 h after light	3.15	1.5	4.8
4 h after dark	9.25	2.1	16.4
8 h after dark	2.15	1.2	3.1
12 h after dark	6.6	2.3	10.9