condition	mean	min	max
4 h after light	8.683689000000001	8.529983	8.837395
8 h after light	8.703002000000001	8.197257	9.208747
12 h after light	12.232153499999999	11.97682	12.487487
4 h after dark	12.9128475	11.37717	14.448525
8 h after dark	24.8428085	17.354002	32.331615
12 h after dark	8.990954	8.990954	8.990954