condition	mean	min	max
4 h after light	8.4939845	7.433849	9.55412
8 h after light	9.0116665	8.658918	9.364415
12 h after light	7.972646	7.679321	8.265971
4 h after dark	7.7769205	7.589228	7.964613
8 h after dark	8.327428999999999	8.206109	8.448749
12 h after dark	9.081537	9.081537	9.081537