By Randy KrehbielTulsa WorldThe tax revenue outlook for Oklahoma's state and local governments remained grim in July despite a sharp income tax revenue increase attributed to a three-month delay in the filing deadline, state Treasurer Randy McDaniel said Wednesday.McDaniel said gross revenue to the treasury totaled $1.43 billion in July, a 27.2% increase over the same month a year ago.Gross state revenue is all taxes paid to the treasury, including those collected on behalf of local governments and money returned to taxpayers in the form of refunds and rebates.Read the full story on TulsaWorld.comRead more on NewsOK.com