Recent research from the University of Washington indicates that warmer and drier spring conditions significantly contribute to the Colorado River's current water shortage. The study, published in Geophysical Research Letters, attributes nearly 70% of the difference between predicted and actual river flows to reduced spring rainfall. This lack of rain compels plants to depend more heavily on snowmelt, which in turn reduces the water volume reaching the river. Furthermore, clearer skies and more sunshine during dry conditions stimulate plant growth and evaporation, further decreasing water availability.