At present, data set has been uploaded to the international earth science data sharing platform Pangaea (https://www.pangaea.de/) for the free use of scientific research workers, data download address: https://doi.org/10.1594/PANGAEA.887700. Paper download address: https://www.earth-syst-sci-data.net/10/2097/2018/. The study was funded by the national natural science foundation of China (NSFC) for scaling down of reanalysis data of complex topographic areas -- a case study of tianshan mountain area (project no. 41501106). The model and data operation were supported by VSC in Vienna, Austria and LRZ in Munich, Germany.