condition	mean	min	max
4 h after light	2.7796399999999997	2.37165	3.18763
8 h after light	2.8599449999999997	2.81893	2.90096
12 h after light	2.623915	2.21169	3.03614
4 h after dark	2.8077666666666667	2.76958	2.88053
8 h after dark	2.63127	2.47949	2.79233
12 h after dark	2.95736	2.65815	3.4644