condition	mean	min	max
4 h after light	2.694095	2.228	3.16019
8 h after light	2.330585	1.95398	2.70719
12 h after light	2.230175	2.07393	2.38642
4 h after dark	2.856665	2.18897	3.52436
8 h after dark	2.4022550000000003	1.94638	2.85813
12 h after dark	2.98982	2.92791	3.05173