condition	mean	min	max
4 h after light	9.7273385	8.869888	10.584789
8 h after light	10.382531499999999	9.637089	11.127974
12 h after light	8.319917499999999	7.500923	9.138912
4 h after dark	8.482465	7.826018	9.138912
8 h after dark	8.654854	8.21263	9.097078
12 h after dark	9.200501	9.200501	9.200501