condition	mean	min	max
4 h after light	10.564146666666666	10.48799	10.63115
8 h after light	9.571846666666666	9.412939999999999	9.70607
12 h after light	9.59838	9.47301	9.67507
4 h after dark	9.15529	8.86848	9.30798
8 h after dark	9.189546666666667	9.12627	9.26035
12 h after dark	9.495049999999999	9.33887	9.66738