condition	mean	min	max
4 h after light	7.5064633333333335	3.71574	12.3804
8 h after light	3.9493500000000004	1.00211	6.79079
12 h after light	4.08313	2.53723	5.31502
4 h after dark	6.49949	4.438	8.91645
8 h after dark	7.506293333333334	4.80014	8.90384
12 h after dark	10.505796666666667	9.12044	13.1536