condition	mean	min	max
4 h after light	5.65041	5.22496	6.07586
8 h after light	6.737665	6.55626	6.91907
12 h after light	8.49069	8.0634	8.91798
4 h after dark	10.16666	9.21052	11.1228
8 h after dark	6.720745	6.48101	6.96048
12 h after dark	6.721045	6.49983	6.94226