condition	mean	min	max
4 h after light	4.61783	2.30763	6.42244
8 h after light	3.462416666666667	1.06797	5.45721
12 h after light	4.553963333333334	3.39797	6.73165
4 h after dark	7.4855599999999995	5.82813	8.90402
8 h after dark	7.131546666666667	5.21363	8.34798
12 h after dark	5.6594	5.0788	6.02682