condition	mean	min	max
4 h after light	9.506149	8.507971	10.504327
8 h after light	9.900793	9.883232	9.918354
12 h after light	9.918354	9.918354	9.918354
4 h after dark	9.225344	8.532334	9.918354
8 h after dark	11.046707999999999	10.967808	11.125608
12 h after dark	11.805043	11.805043	11.805043