condition	mean	min	max
4 h after light	5.24159	4.65736	5.82582
8 h after light	4.51309	4.47507	4.55111
12 h after light	8.156414999999999	7.0436	9.26923
4 h after dark	13.629833333333334	12.8625	14.4518
8 h after dark	15.286566666666667	12.1475	18.4572
12 h after dark	6.01902	5.59798	6.27517