condition	mean	min	max
4 h after light	3726.759232	3507.747946	3945.770518
8 h after light	2956.1289625	2478.614009	3433.643916
12 h after light	4050.851983	4037.77741	4063.926556
4 h after dark	3944.612102	3737.770518	4151.453686
8 h after dark	4075.594591	3845.155134	4306.034048
12 h after dark	3864.370309	3864.370309	3864.370309