condition	mean	min	max
4 h after light	2.284987666666667	0.633733	3.33394
8 h after light	7.98825	1.27374	13.357
12 h after light	4.74644	3.48577	6.01272
4 h after dark	8.38755	6.52379	9.53397
8 h after dark	1.6212300000000002	1.14437	1.90389
12 h after dark	0.84366	0.583089	1.11881