condition	mean	min	max
4 h after light	3.974955	3.73329	4.21662
8 h after light	6.9262250000000005	6.45971	7.39274
12 h after light	5.78786	5.52912	6.0466
4 h after dark	9.68812	8.31044	11.0658
8 h after dark	8.567515	7.75208	9.38295
12 h after dark	6.257835	5.97857	6.5371