State tax collections climbed last month 6.3 percent from a year ago, and beat the freshly lowered benchmark by $22 million. The $1.223 billion haul included a 17-percent drop in income taxes from a year ago, while state officials said the November receipts would likely be lowered because of payments that came in last month. Revenue officials attributed much of the $72 million gain from a year ago to "one-time events," timing issues, and the 25-percent sales tax boost passed last summer. In a separate statement, Gov. Deval Patrick's top budget aide, Jay Gonzalez, said, "Today's tax revenue numbers for the month of October suggest that our recent revision of the tax revenue estimate and corresponding budget adjustments for the current fiscal year were prudent and appropriate."