condition	mean	min	max
0 h after light	9.04486	9.0368	9.05292
4 h after light	9.730115	9.20783	10.2524
8 h after light	8.786069999999999	7.89678	9.67536
4 h after dark	9.401865	8.63213	10.1716
8 h after dark	8.570495000000001	8.49372	8.64727
12 h after dark	8.559535	8.46529	8.65378