condition	mean	min	max
4 h after light	8.953265	8.733635	9.172895
8 h after light	9.0906555	8.733635	9.447676
12 h after light	9.322237	8.736531	9.907943
4 h after dark	8.391783	8.281476	8.50209
8 h after dark	8.808765000000001	7.97573	9.6418
12 h after dark	7.401685	7.401685	7.401685