condition	mean	min	max
4 h after light	1.56507	1.45853	1.67161
8 h after light	1.399385	1.20948	1.58929
12 h after light	1.268395	1.25261	1.28418
4 h after dark	1.6139866666666667	1.43975	1.76847
8 h after dark	1.6034633333333332	1.45355	1.88831
12 h after dark	1.343726	0.817538	1.70278