Japanese like-for-like convenience store sales in December fell 1% year-on-year, the 18th month running that has recorded a slide in sales. The Japanese Franchise Association blamed poor weather, including heavy rain and snow and low temperatures, for the fall in sales. On an all-stores basis, convenience store sales increased 2.3% in December year-on-year to ¥602.65bn (US$5.1bn). Average spending per customer fell 0.6% in December on a same-store basis. On an all-stores basis, it fell 1.1%.