condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	2.7	1.8	3.6
12 h after light	1.7000000000000002	1.3	2.1
4 h after dark	4.75	2.8	6.7
8 h after dark	1.4	1.2	1.6
12 h after dark	1.15	0.9	1.4