About 280 million cwt. of U.S. potatoes had yet to be shipped as of Dec. 1, 11% more than last year and the most on Dec. 1 since 2000.

Potatoes in storage made up 68% of the 2012 fall crop, up 2% from Dec. 1, 2011, according to the December Potato Stocks report from the U.S. Department of Agriculture’s National Agricultural Statistics Service.

Stocks in industry leader Idaho were 101 million cwt., up from 90 million last year at the same time.

Washington’s Dec. 1 stocks rose from 57 million to 59 million cwt., Wisconsin’s from 17.5 million to 21 million cwt., Oregon’s from 17.9 million to 18.9 million cwt., North Dakota’s from 13 million to 16.8 million cwt. and Minnesota’s from 10.6 million to 12 million cwt.

The only major potato-producing state to see a decline from Dec. 1, 2011, to this year was Colorado, where stocks fell from 15.4 million to 15.2 million cwt.

Potato disappearance as of Dec. 1 was 132 million cwt., up 2% from last year. Shrink and loss, at 13.7 million cwt., was unchanged from last year.