condition	mean	min	max
4 h after light	1.4	1.4	1.4
8 h after light	11.4	0.7	22.1
12 h after light	8.5	8.4	8.6
4 h after dark	3.35	1.8	4.9
8 h after dark	4.55	1.7	7.4
12 h after dark	9.5	2.9	16.1