condition	mean	min	max
4 h after light	6.53042	5.81044	6.9198
8 h after light	5.846973333333334	5.4372300000000005	6.10346
12 h after light	4.924253333333334	4.64496	5.06895
4 h after dark	5.7126399999999995	5.5593699999999995	5.8659099999999995
8 h after dark	6.06046	5.68693	6.33309
12 h after dark	7.224766666666667	6.56044	7.677339999999999