condition	mean	min	max
4 h after light	8.978580000000001	8.9328	9.02436
8 h after light	7.6521799999999995	7.6187	7.68566
12 h after light	10.15827	9.65084	10.6657
4 h after dark	15.134599999999999	14.2693	16.1863
8 h after dark	13.274866666666668	12.7314	14.271
12 h after dark	12.224633333333333	11.6191	12.6996