I grew up drinking organic skim milk. Apparently, this is not the norm. Also, milk sales have a consistently odd seasonality. The more you know…
Data sources:
http://www.ams.usda.gov/AMSv1.0/ams.fetchTemplateData.do?startIndex=1&template=TemplateV&page=FluidMilkSalesDataMonthlyandYeartoDate
http://future.aae.wisc.edu/tab/sales.html#23