After stabilizing in the prior quarter, Long Island housing market prices edged above the same period last year. Median sales price for Nassau and Suffolk counties, excluding the Hamptons and North Fork, was $362,000, up 0.6% from the same period last year. Average sales price skewed higher, which was consistent with the increased performance of the luxury market. Average sales price was $458,523, up 2.6% to over the same period. The median sales price of the luxury housing market remained above the $1 million threshold, rising 6.1% to $1,057,500 over the same period despite no real change in the entry threshold of $753,000…