condition	mean	min	max
4 h after light	4.502506666666666	4.45749	4.54948
8 h after light	4.4476233333333335	4.44356	4.45558
12 h after light	4.58802	4.45691	4.6607199999999995
4 h after dark	4.4331700000000005	4.39015	4.4602900000000005
8 h after dark	4.4305666666666665	4.348380000000001	4.5614099999999995
12 h after dark	4.35759	4.27621	4.45911