condition	mean	min	max
4 h after light	8.49081	8.42969	8.55193
8 h after light	7.279579999999999	7.17815	7.38101
12 h after light	6.927695	6.59887	7.25652
4 h after dark	9.825915	9.38603	10.2658
8 h after dark	10.44065	10.1009	10.7804
12 h after dark	10.053745	9.67779	10.4297