condition	mean	min	max
4 h after light	6158.4	6158.4	6158.4
8 h after light	5206.9	4038.2	6375.6
12 h after light	4300.6	3851.1	4750.1
4 h after dark	4555.2	4107.4	5003.0
8 h after dark	6987.05	4838.1	9136.0
12 h after dark	9280.1	8170.7	10389.5