condition	mean	min	max
0 h after light	9.357425	8.68765	10.0272
4 h after light	2.567415	1.79487	3.33996
8 h after light	3.87493	3.86214	3.88772
4 h after dark	8.401455	7.98486	8.81805
8 h after dark	5.76155	5.5177	6.0054
12 h after dark	6.361415	5.95679	6.76604