Weather Nation (Nov. 14) -- Nonextreme precipitation can have a strong effect on ecosystems, agriculture, infrastructure design and resource management, pointing to a need to examine precipitation in a more nuanced, multifaceted way. “This study shows that everyday precipitation events – not just the extremes that have been the focus of most studies – are changing,” says Praveen Kumar, a professor of civil and environmental engineering at Illinois, and the principal investigator of the National Science Foundation’s Intensively Managed Landscapes Critical Zone Observatory.