condition	mean	min	max
4 h after light	16.25265	15.8326	16.6727
8 h after light	14.56685	13.3566	15.7771
12 h after light	16.790599999999998	15.4723	18.1089
4 h after dark	16.710549999999998	16.2786	17.1425
8 h after dark	13.525300000000001	12.1659	14.8847
12 h after dark	15.67775	15.3487	16.0068