condition	mean	min	max
4 h after light	9.351665	8.557024	10.146306
8 h after light	8.8983745	7.931893	9.864856
12 h after light	10.289824	9.846162	10.733486
4 h after dark	10.8218365	9.912487	11.731186
8 h after dark	12.5142205	11.340075	13.688366
12 h after dark	8.122513	8.122513	8.122513