condition	mean	min	max
4 h after light	17.0	17.0	17.0
8 h after light	2.35	1.0	3.7
12 h after light	1.25	1.1	1.4
4 h after dark	1.6	1.0	2.2
8 h after dark	14.25	2.5	26.0
12 h after dark	5.25	2.0	8.5