About 423 million cwt. of U.S. potatoes were harvested last fall, 8% more than the year before.

Sweet potato production in 2012, however, was down from 2011, according to the U.S. Department of Agriculture’s National Agricultural Statistics Service’s Crop Production 2012 Summary report.

Fall potato acreage, at 989,600 acres, also was up — by 5% — from fall 2011, according to the report. Potato yields in 2012 averaged 427 cwt. per acre, 11 cwt. more than in 2011.

Industry leader Idaho and three other major producing states saw production gains in fall 2012. Idaho’s production climbed from 129 million to 143 million cwt., Wisconsin’s from 26 million to 29.4 million cwt., North Dakota’s from 18.9 million to 25 million cwt. and Minnesota’s from 16.7 million to 18.8 million cwt.

Production fell in Washington, Oregon and Colorado. Washington’s dropped from 97.6 million to 97.58 million cwt., Oregon’s from 23.3 to 23 million cwt. and Colorado’s from 21.3 million to 21 million cwt.

About 26.5 million cwt. of sweet potatoes were produced in the U.S. in 2012, 2% less than the year before. Acreage, at 126,600, was down 2% from 2011 but yields, at 209 cwt., were up 1 cwt.