condition	mean	min	max
4 h after light	1.6463899999999998	1.39949	1.89329
8 h after light	1.1552799999999999	1.07535	1.23521
12 h after light	0.8570869999999999	0.704894	1.00928
4 h after dark	0.8474653333333333	0.663199	1.16059
8 h after dark	0.983291	0.835005	1.26231
12 h after dark	0.627615	0.34072	0.809577