condition	mean	min	max
4 h after light	9.350829999999998	9.15402	9.54764
8 h after light	8.83932	8.58972	9.08892
12 h after light	9.83399	9.26418	10.4038
4 h after dark	14.7841	14.7673	14.8009
8 h after dark	14.5487	13.8232	15.2742
12 h after dark	13.3814	13.0216	13.7412