condition	mean	min	max
4 h after light	8.9844285	8.888163	9.080694
8 h after light	8.262222000000001	8.014509	8.509935
12 h after light	8.072845000000001	7.635755	8.509935
4 h after dark	7.656668	7.566981	7.746355
8 h after dark	8.852467	8.340675	9.364259
12 h after dark	8.948263	8.948263	8.948263