· Setting Base Class I Skim Milk prices at the higher of the advanced Class III or Class IV skim milk prices for the month. Contacts in the East say butter production is slowing, but butter production is steady in the West. Recently released data in the UK showed organic milk production declined in May from the same month a year ago, while 2023/2024 milk year production of organic milk is down from 2022/2023. MAY MILK PRODUCTION (NASS): Milk production in the 24 major States during May totaled 18.9 billion pounds, down 0.7 percent from May 2023. MARCH MAILBOX MILK PRICES (FMMO): In March 2024, mailbox milk prices for selected reporting areas in Federal milk orders averaged $19.98 per cwt, up $0.35 from the February 2024 average and down $0.34 per cwt from the March 2023 average.