condition	mean	min	max
4 h after light	5.788156666666667	5.76664	5.82932
8 h after light	5.644076666666667	5.47284	5.8284
12 h after light	5.61259	5.55716	5.7096599999999995
4 h after dark	5.994773333333333	5.81238	6.1321699999999995
8 h after dark	6.011620000000001	5.79863	6.138730000000001
12 h after dark	6.24554	6.10004	6.487430000000001