condition	mean	min	max
4 h after light	7.41797	7.29387	7.540660000000001
8 h after light	7.4733633333333325	7.31018	7.650339999999999
12 h after light	7.644423333333334	7.5451	7.777410000000001
4 h after dark	7.61263	7.38178	7.884810000000001
8 h after dark	7.693	7.46099	8.09726
12 h after dark	7.7071499999999995	7.33788	7.916869999999999