condition	mean	min	max
4 h after light	2.3750150000000003	2.23109	2.51894
8 h after light	2.6132549999999997	2.58113	2.64538
12 h after light	3.48766	3.45879	3.51653
4 h after dark	4.227955	4.05545	4.40046
8 h after dark	3.48517	3.41631	3.55403
12 h after dark	3.37698	3.29232	3.46164