Outerwear retailer Burlington Coat Factory Warehouse Corporation on Thursday posted a 7.9 per cent rise in third quarter net sales to $779.8 million, compared with sales of $722.7m in the year-ago quarter. Comparative store sales slipped 3.4 per cent during December, but climbed 2.4 per cent in January and 4.9 per cent in February. Comparative store sales of coats dropped 17 per cent during the quarter due to unusually warm weather.