condition	mean	min	max
4 h after light	20.094291	17.550477	22.638105
8 h after light	25.769205999999997	23.772857	27.765555
12 h after light	21.5825605	20.527016	22.638105
4 h after dark	35.5579995	27.57114	43.544859
8 h after dark	32.5146935	22.173773	42.855614
12 h after dark	19.324845	19.324845	19.324845