condition	mean	min	max
4 h after light	9.207095	9.096773	9.317417
8 h after light	9.090647	8.573652	9.607642
12 h after light	9.773512	9.216272	10.330752
4 h after dark	10.0515665	9.875422	10.227711
8 h after dark	10.4925775	10.137169	10.847986
12 h after dark	10.268053	10.268053	10.268053