On Monday, cash dairy prices on the Chicago Mercantile Exchange were mostly steady to lower. Dry whey remained unchanged at $0.61 with no sales, while forty-pound cheese blocks decreased by $0.01 to $1.84 with one sale at $1.85. Cheese barrels dropped by $0.02 to $1.91 with no sales. Butter stayed steady at $3.1050 with no sales, and nonfat dry milk fell by $0.0075 to $1.2350 with two sales recorded at $1.2325 and $1.2350.