condition	mean	min	max
4 h after light	8.745553999999998	8.718141	8.772967
8 h after light	8.1237285	7.486751	8.760706
12 h after light	7.898453999999999	7.749242	8.047666
4 h after dark	8.852787500000002	8.250177	9.455398
8 h after dark	7.3773995	7.117255	7.637544
12 h after dark	7.529875	7.529875	7.529875