condition	mean	min	max
4 h after light	1.1	1.1	1.1
8 h after light	4.2	3.9	4.5
12 h after light	3.8	3.8	3.8
4 h after dark	2.1	1.3	2.9
8 h after dark	23.35	6.6	40.1
12 h after dark	1.4	1.3	1.5