condition	mean	min	max
4 h after light	9.410083333333333	8.998389999999999	9.721739999999999
8 h after light	10.32207	10.14221	10.44369
12 h after light	10.088383333333333	10.01731	10.19027
4 h after dark	9.852773333333333	9.21088	10.246260000000001
8 h after dark	9.55114	9.24923	9.92071
12 h after dark	8.99772	8.68727	9.411489999999999