condition	mean	min	max
4 h after light	1.039325	1.0072	1.07145
8 h after light	0.8391245	0.673099	1.00515
12 h after light	0.918405	0.888201	0.948609
4 h after dark	2.72308	2.27596	3.1702
8 h after dark	1.8487049999999998	1.71088	1.98653
12 h after dark	1.81718	1.66125	1.97311