sentences:  Below is a list of the top ten highest known storm total rainfall amounts from individual tropical cyclones across Mexico.Most of the rainfall information was provided by the Mexico's National Weather Service, "Servicio Meteorológico Nacional", which is a part of the National Water Commission, "Comisión Nacional del Agua".On the western side of Mexico, the Sierra Madre Occidental keeps the central plateau free of excessive rainfall, as tropical cyclones originating in the Eastern Pacific Ocean rain themselves out on the upslope sides of the topography.