condition	mean	min	max
4 h after light	10.382105	9.918354	10.845856
8 h after light	9.070100499999999	7.787977	10.352224
12 h after light	8.455448	8.273828	8.637068
4 h after dark	8.345201	8.303076	8.387326
8 h after dark	8.5219905	7.883961	9.16002
12 h after dark	10.147296	10.147296	10.147296