Suffolk officials say the county's first sales tax checks of the year jumped by 24.6 percent over the same period in 2012, spurred by spending on repairs related to superstorm Sandy.

Suffolk's first two checks for 2013's fourth quarter totaled $49.95 million, $9.8 million more than for the same period in 2012, said budget director Connie Corso. Suffolk's 2013 sales tax receipts so far total $1.2 billion for the year, or $81 million more than 2012, Corso said.

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That puts 2013 Suffolk's sales tax growth so far at 7.07 percent, exceeding projections in the county's adopted 2014 budget, which anticipates 6.7 percent growth for 2013. The county will receive two more checks from the state by early next month before closing the books on 2013.

Corso attributed the spike in sales tax revenue to spending on repair work related to superstorm Sandy.

Nassau said its first January sales tax payment was $32.25 million. That was a 25.6 percent drop from last year, when revenue, boosted by spending on Sandy repairs, were $43.4 million.

Nassau's 2013 sales tax receipts so far total $1.086 billion, an increase of $68.4 million, or 6.7 percent, from 2012. County officials say they expect 2013 revenue to exceed budget projections by about $24 million when the final two checks come in next month.