condition	mean	min	max
4 h after light	5.766025	5.51896	6.01309
8 h after light	6.3374500000000005	5.90349	6.77141
12 h after light	6.010845	5.91816	6.10353
4 h after dark	10.67663	9.74776	11.6055
8 h after dark	9.972395	9.26679	10.678
12 h after dark	8.280725	8.0345	8.52695