condition	mean	min	max
4 h after light	1.787625	1.70124	1.87401
8 h after light	1.678845	1.38911	1.96858
12 h after light	1.50163	1.3809	1.62236
4 h after dark	1.0081635	0.879367	1.13696
8 h after dark	1.25652	1.13053	1.38251
12 h after dark	1.498375	1.37809	1.61866