condition	mean	min	max
4 h after light	1.0763025	0.879485	1.27312
8 h after light	0.8898425000000001	0.887858	0.891827
12 h after light	0.8295115	0.749481	0.909542
4 h after dark	0.975236	0.919062	1.03141
8 h after dark	1.12304	1.12155	1.12453
12 h after dark	1.04584	1.01896	1.07272