condition	mean	min	max
4 h after light	0.5522769999999999	0.526122	0.578432
8 h after light	0.228396	0.195269	0.261523
12 h after light	0.7606904999999999	0.572364	0.949017
4 h after dark	0.9672955000000001	0.750411	1.18418
8 h after dark	1.3005849999999999	1.15964	1.44153
12 h after dark	0.9958239999999999	0.987258	1.00439