condition	mean	min	max
4 h after light	0.8	0.8	0.8
8 h after light	2.55	1.1	4.0
12 h after light	2.3499999999999996	1.9	2.8
4 h after dark	9.25	1.2	17.3
8 h after dark	9.3	7.4	11.2
12 h after dark	14.95	10.1	19.8