To view the grain summary for a specific county in Missouri, click either on the county on the Missouri map or on the county's name in the county list below the map. The grain summary includes data for corn, soybeans, and wheat. The green counties indicate those counties with available data. Yield risk is a five-year moving standard deviation.
Standard deviation is a measure of dispersion around the average.
A higher value indicates greater variability of yield over the previous five years. The last alternative to choose from allows you to view the difference in historical risk between corn, soybean, and wheat from 1980-1999. Instructions on how to interpret this measure of risk are described in each individual file. Each file is viewable using Adobe Acrobat Reader. Click the Adobe Acrobat Reader image below to obtain a FREE copy of Adobe Acrobat Reader.