condition	mean	min	max
4 h after light	5.06846	3.36148	6.77544
8 h after light	8.244595	8.16196	8.32723
12 h after light	8.755295	8.69294	8.81765
4 h after dark	10.21229	7.95978	12.4648
8 h after dark	8.286315	7.98848	8.58415
12 h after dark	6.19533	5.04709	7.34357