condition	mean	min	max
4 h after light	12.31115	10.7999	13.8224
8 h after light	12.10365	11.4266	12.7807
12 h after light	13.5622	13.5481	13.5763
4 h after dark	16.4815	15.0641	17.8989
8 h after dark	16.82345	16.7876	16.8593
12 h after dark	17.43795	16.7018	18.1741