condition	mean	min	max
4 h after light	1.803921	0.743662	2.86418
8 h after light	1.61539	1.54714	1.68364
12 h after light	1.9372599999999998	1.52056	2.35396
4 h after dark	2.5990233333333332	1.8987	3.19812
8 h after dark	3.51679	3.30592	3.86073
12 h after dark	2.45321	2.13383	2.78857