condition	mean	min	max
4 h after light	5.297793333333333	5.2738	5.33418
8 h after light	5.01902	4.9653	5.0561
12 h after light	5.031606666666667	4.92224	5.14509
4 h after dark	5.04992	5.02231	5.08294
8 h after dark	5.183623333333333	5.09561	5.27037
12 h after dark	5.27086	5.1624	5.34168