condition	mean	min	max
4 h after light	1.0	1.0	1.0
8 h after light	4.35	3.5	5.2
12 h after light	11.35	3.2	19.5
4 h after dark	22.35	1.5	43.2
8 h after dark	22.85	4.6	41.1
12 h after dark	24.950000000000003	18.3	31.6