condition	mean	min	max
4 h after light	9.250885	8.948263	9.553507
8 h after light	8.316135	7.930587	8.701683
12 h after light	9.4038965	8.948263	9.85953
4 h after dark	9.011278	8.993192	9.029364
8 h after dark	8.577186000000001	8.206109	8.948263
12 h after dark	9.143101	9.143101	9.143101