David M Meko¹, Kiyomi Morino², Eylon Shamir³, Julie A Edwards⁴, Ramzi Touchan⁴ and Rochelle Campbell⁵, (1)University of Arizona, Laboratory of Tree Ring Research, Tucson, AZ, United States, (2)The University of Arizona, Tucson, AZ, United States, (3)Hydrologic Research Center, San Diego, CA, United States, (4)University of Arizona, Tucson, AZ, United States, (5)Hydrologic Reseach Center, San Diego, United States