The article reports on the variation in cash dairy prices at the Chicago Mercantile Exchange on a specific day. It highlights the decrease in dry whey prices by $0.01 to $0.5625, with two sales at $0.56 and $0.5650. Conversely, forty-pound cheese blocks and cheese barrels prices increased by $0.01 to $1.9575 and $2.0050, respectively. Butter prices remained stable at $3.0975, with no sales reported. Lastly, nonfat dry milk prices fell by $0.0175 to $1.20, with one sale recorded at that price.