condition	mean	min	max
0 h after light	15.9241	14.8628	16.9854
4 h after light	11.18145	9.9828	12.3801
8 h after light	7.8089949999999995	6.90985	8.70814
4 h after dark	10.0878	9.0512	11.1244
8 h after dark	13.15915	12.7239	13.5944
12 h after dark	13.39235	11.1428	15.6419