This repository contains the observational data and the parameter fields for the hydrological model which is used in the study by Imme Benedict et al., 2018: An evaluation of the importance of spatial resolution in a global climate and hydrological model based on the Rhine and Mississippi basin, Hydrology and Earth System Science. More specific, this repository contains the following datasets: • Precipitation over Europe from E-OBS: E-OBS dataset version 12.0 at 0.25° from 1985 until 2015 (30 years). We acknowledge the E-OBS dataset from the EU-FP6 project ENSEMBLES () and the data providers in the ECA&D project (). Haylock, M.R., N. Hofstra, A.M.G. Klein Tank, E.J. Klok, P.D. Jones, M. New: A European daily high-resolution gridded da...