condition	mean	min	max
4 h after light	6.149744999999999	4.77961	7.51988
8 h after light	5.474959999999999	5.20982	5.7401
12 h after light	7.0029699999999995	6.96084	7.0451
4 h after dark	11.125666666666666	10.0261	12.0609
8 h after dark	14.2504	11.2794	15.7871
12 h after dark	6.56231	5.79665	7.57188