condition	mean	min	max
4 h after light	13.43835	13.4125	13.4642
8 h after light	15.72755	15.5801	15.875
12 h after light	14.84355	14.71	14.9771
4 h after dark	16.4088	15.6091	17.2085
8 h after dark	15.1906	14.9992	15.382
12 h after dark	15.7487	15.5973	15.9001