California Irrigation Management Information System (CIMIS) CIMIS Evapotranspiration Overview CIMIS ET Data Snow pack by region River Information Tuolumne River below La Grange Diversion Dam Tuolumne River near Modesto Dry Creek near Modesto River flows in Stanislaus County General Information California Data Exchange Center (CDEC) California Dept of Water Resources (DWR) California Water Resources