condition	mean	min	max
4 h after light	7.91646	7.56685	8.3057
8 h after light	7.58493	7.249630000000001	8.19407
12 h after light	8.549896666666667	7.9219	9.23653
4 h after dark	7.92078	7.38467	8.80449
8 h after dark	8.07006	7.97262	8.22051
12 h after dark	7.44045	6.86777	7.797160000000001