condition	mean	min	max
4 h after light	2.9	2.9	2.9
8 h after light	10.45	4.9	16.0
12 h after light	5.0	4.0	6.0
4 h after dark	3.3	2.8	3.8
8 h after dark	2.8	1.3	4.3
12 h after dark	2.2	1.4	3.0