condition	mean	min	max
4 h after light	7.688390500000001	6.688987	8.687794
8 h after light	7.7833435	7.03824	8.528447
12 h after light	8.121463	7.362031	8.880895
4 h after dark	8.129345	8.049643	8.209047
8 h after dark	8.44155	8.049643	8.833457
12 h after dark	8.049643	8.049643	8.049643