condition	mean	min	max
4 h after light	9.0042695	8.800089	9.20845
8 h after light	8.3343835	7.868678	8.800089
12 h after light	7.9824065	7.85595	8.108863
4 h after dark	8.689219	8.578349	8.800089
8 h after dark	8.857318	8.800089	8.914547
12 h after dark	8.108526	8.108526	8.108526