condition	mean	min	max
4 h after light	4.492965	3.60752	5.37841
8 h after light	3.511215	1.30526	5.71717
12 h after light	4.9435	4.65222	5.23478
4 h after dark	7.934383333333333	6.71742	9.02641
8 h after dark	8.165033333333334	5.57812	11.1574
12 h after dark	6.9826966666666666	4.14049	9.01829