condition	mean	min	max
4 h after light	7.463412	7.09765	7.829174
8 h after light	8.4287525	8.177628	8.679877
12 h after light	8.894401	8.33139	9.457412
4 h after dark	9.0687775	8.679877	9.457678
8 h after dark	9.0140915	8.679877	9.348306
12 h after dark	9.597456	9.597456	9.597456