condition	mean	min	max
0 h after light	9.439945	9.14548	9.73441
4 h after light	10.121015	7.28013	12.9619
8 h after light	7.17911	6.50329	7.85493
4 h after dark	11.80885	10.1447	13.473
8 h after dark	12.43825	12.1034	12.7731
12 h after dark	8.3544	5.8631	10.8457