U.S. beer sales fell 4.5% in early August, extending a late-summer slump.

Beer sales continued to weaken in U.S. retail channels tracked by NielsenIQ in the four weeks ended Aug. 8, as a small week-to-week gain failed to offset broader declines in both dollars and volume during the late summer selling season.

According to NielsenIQ’s latest Beer Pulse update, dollar sales for the beer category fell 4.5% from a year earlier, while case volume dropped 5.5%. The report said the category’s problems were driven mainly by soft demand, with consumer disinterest accounting for 72% of the total decline. Distribution issues made up about 25% of the drop, the firm said.

The weekly sales pattern showed a slight improvement, but not enough to change the broader trend. NielsenIQ said dollar sales rose to $922.2 million in the most recent week from $918.9 million the week before, an increase of 0.4%. Even with that uptick, the report said the category is losing the support it usually gets from summer demand, leaving longer-running pressures more visible.

The weakness was concentrated in the industry’s largest traditional segments. Domestic premium beer posted some of the sharpest declines, with sales down 8.0% and volume down 8.1% from a year earlier. Craft beer also remained under pressure, with dollar sales falling 7.2% and volume dropping 9.0%. Import beer performed somewhat better than those segments but still declined, with sales down 3.5% and volume down 4.5%.

A few smaller segments continued to show growth. Domestic super premium beer edged higher, with dollar sales up 0.3% and volume up 0.2%. Cider also expanded, rising 2.0% in dollars and 0.4% in volume. Non-alcoholic beer again posted the strongest growth in the category, with dollar sales up 9.3% and volume up 9.2%. NielsenIQ said that segment continues to benefit from health and wellness trends.

Among manufacturers, Anheuser-Busch remained the largest company by dollar sales, though its sales fell 4.0% and it lost 2.5 million cases from a year earlier. Constellation held the No. 2 position, with dollar sales down 2.4% and case volume lower by 840,100 cases. Molson Coors Beverage Co. ranked third and recorded a 7.1% decline in dollars along with a loss of 2.5 million cases. Heineken USA was fourth, with dollar sales down 9.1% and volume down by 437,200 cases.

New Belgium Brewing stood out among the five largest manufacturers as the only one to post growth. NielsenIQ said New Belgium’s dollar sales rose 5.7%, while case volume increased by 53,100. That performance also made it the fastest-growing company among the top five manufacturers by dollar growth.

Outside the largest players by size, several companies posted stronger gains from a smaller base. Sapporo Breweries recorded a 20.2% increase in dollar sales and added 23,600 cases. Athletic Brewing Co., a non-alcoholic beer producer, rose 3.7% in dollars and gained 11,000 cases. Diageo posted 2.0% dollar growth even as case volume slipped by 2,300. Asahi Beer USA showed the biggest percentage gain among the manufacturers listed, with dollar sales up 40.2% and case volume up 6,900.

At the brand level, Modelo remained the top beer brand by dollar sales despite a 3.3% decline and a loss of 654,500 cases. Budweiser ranked second, with dollar sales down 9.9% and case volume down 1.8 million. Michelob moved into third place and was the only brand among the top five to grow, with dollar sales up 3.5% and volume up 399,000 cases. Corona was fourth, down 5.9% in dollars and 559,300 cases, while Coors ranked fifth, with sales down 4.9% and volume lower by 761,000 cases.

Michelob also led the top five brands by dollar growth. Pacifico followed with an 18.0% increase in dollar sales and a gain of 288,400 cases. Victoria rose 15.1% in dollars and added 71,500 cases. New Belgium increased 6.6% in dollar sales and gained 44,400 cases. Garage Beer posted a 29.9% rise in dollar sales and added 46,400 cases.

The NielsenIQ figures cover total beer excluding flavored malt beverages and hard seltzer. The report points to a market in which the biggest legacy segments continue to contract, while growth is coming from a narrower group of brands and from categories tied to imports, premium positioning and non-alcoholic consumption.