condition	mean	min	max
4 h after light	1.186655	0.86733	1.50598
8 h after light	0.5172075	0.445673	0.588742
12 h after light	0.690103	0.442329	0.937877
4 h after dark	3.03911	2.1252	3.95302
8 h after dark	1.79007	1.7071	1.87304
12 h after dark	1.532395	1.15038	1.91441