condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	14.5	5.0	24.0
12 h after light	3.05	1.9	4.2
4 h after dark	4.75	3.7	5.8
8 h after dark	19.25	7.9	30.6
12 h after dark	3.05	1.9	4.2