ODM2 Variable Name Controlled Vocabulary ODM2 Working Group A vocabulary for describing the name of Variables. Rainfall rate A measure of the intensity of rainfall, calculated as the depth of water to fall over a given time period if the intensity were to remain constant over that time interval (in/hr, mm/hr, etc) Originally from the CUAHSI HIS VariableNameCV. See: http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=VariableNameCV.