condition	mean	min	max
0 h after light	16.8443	15.3936	18.295
4 h after light	8.465164999999999	7.2721	9.65823
8 h after light	9.0165	8.61835	9.41465
4 h after dark	13.8058	13.6753	13.9363
8 h after dark	12.270399999999999	11.6845	12.8563
12 h after dark	11.81355	10.8684	12.7587