condition	mean	min	max
4 h after light	8.912798	8.905525	8.920071
8 h after light	9.2941665	8.920071	9.668262
12 h after light	9.382887	8.446822	10.318952
4 h after dark	8.5943905	8.053231	9.13555
8 h after dark	8.6118265	8.303582	8.920071
12 h after dark	8.920071	8.920071	8.920071