condition	mean	min	max
4 h after light	4.5	4.5	4.5
8 h after light	3.5999999999999996	2.9	4.3
12 h after light	11.15	1.8	20.5
4 h after dark	9.1	1.8	16.4
8 h after dark	6.3	6.3	6.3
12 h after dark	8.0	3.4	12.6