condition	mean	min	max
4 h after light	7.641012	7.461569	7.820455
8 h after light	7.8965225	7.820455	7.97259
12 h after light	8.326778	7.820455	8.833101
4 h after dark	7.950264000000001	7.820455	8.080073
8 h after dark	7.820455	7.820455	7.820455
12 h after dark	8.401323	8.401323	8.401323