WASHINGTON — November production of nonfat dry milk was down 25% while production of skim milk powders was up 15% from a year ago, the U.S. Department of Agriculture said in its latest Dairy Products Report.

Nonfat dry milk production was 100,736,000 lbs, up 10% from October but down 25% from November 2008. Output of skim milk powders, meanwhile, was 19,014,000 lbs, up 87% from October and up 15% from the previous year.

Manufacturers’ stocks of edible nonfat dry milk were 113,646,000 lbs, up 27% from the previous month but down 39% from the previous year.

Total dry whey production was 86,009,000 lbs, down 3% from October and down less than 1% from November 2008. Production of lactose was 61,841,000 lbs, down 4% from October but up 8% from November 2008. Production of whey protein concentrate totaled 34,443,000 lbs, down 4% from October but up 2% from November 2008. Dry buttermilk outturn was 6,667,000 lbs, up 11% from the previous month and up 2% from the previous year.

Total manufacturers’ stocks of dry whey on Nov. 30 were 44,423,000 lbs, down 32% from the previous year, including 42,551,000 lbs for human use, down 30%, and 1,872,000 lbs for animal use, down 60% from the previous year. Whey protein concentrate stocks totaled 36,412,000 lbs, down 11% from the previous year. Dry buttermilk stocks were 5,182,000 lbs, down 51% from a year ago.

Butter production in November was 120,657,000 lbs, up 7% from October but down 10% from November 2008.

Cheese production in November totaled 844,206,000 lbs, down 2% from October but up 2% from November 2008.

Production of regular hard ice cream totaled 53,768,000 gallons, down 13% from the previous year. Low-fat ice cream production was 24,031,000 gallons, up 10% from November 2008