Catalina Jerez, University of Colorado Boulder, Civil, Environmental, and Architectural Engineering, Boulder, United States; Cooperative Institute for Research in Environmental Sciences, Boulder, United States, Balaji Rajagopalan, Univ Colorado, Civil, Environmental, and Architectural Engineering and Cooperative Institute for Research in Environmental Sciences, Boulder, United States, Emerson LaJoie, Climate Prediction Center College Park, College Park, MD, United States, Matthew Rosencrans, NOAA, Climate Prediction Center, College Park, United States, Sarah Ann Baker, University of Colorado at Boulder, Boulder, United States, Seth Shanahan, Southern Nevada Water Authority, Las Vegas, NV, United States, William P Miller, NOAA, Boulder, United States and Edith A Zagona, University of Colorado Boulder, Civil Environmental & Architectural Engineering, Boulder, United States