Reference
Ciancarelli, B., Castro, C. L., Woodhouse, C. A., Dominguez, F., Chang, H.-I., Carrillo, C., & Griffin, D. (2014). Dominant patterns of US warm season precipitation variability in a fine resolution observational record, with focus on the southwest. International Journal of Climatology, 34(3), 687-707. https://doi.org/10.1002/joc.3716