condition	mean	min	max
4 h after light	7.198842	7.081308	7.316376
8 h after light	8.1172215	7.847117	8.387326
12 h after light	8.016532999999999	7.180828	8.852238
4 h after dark	8.0580785	7.700236	8.415921
8 h after dark	7.890270000000001	7.387578	8.392962
12 h after dark	8.308623	8.308623	8.308623