Please cite this database as follows:
Wilson, L. T., Y. Yang, P. Lu, J. Wang, J. W. Nielsen-Gammon, N. Smith, and C. J. Fernandez. 2007. Integrated Agricultural Information and Management System (iAIMS): World Climatic Data. August 2007. http://beaumont.tamu.edu/ClimaticData/

Yang, Y., L.T. Wilson, and J. Wang. 2010. Development of an Automated Climatic Data Scraping, Filtering and Display System. Computers and Electronics in Agriculture 71: 77–87. http://beaumont.tamu.edu/ClimaticData/