Distribution of (A) maximum rainfall and (B) mean mountain rainfall for widespread, frequent, isolated, and no landslide-triggering hurricanes and tropical cyclones that affected Puerto Rico between 1960 and 2017 (see [B] in the GSA Data Repository [see text footnote 1]). Rainfall data for Hurricane Maria are from the National Hurricane Center (NHC), National Centers for Environmental Prediction (NCEP), and the PERSIANN-Cloud Classification System (CCS). See (A) in the GSA Data Repository (see text footnote 1) for detailed information on rainfall data sets.