NEX-GDDP-CMIP6 (https://portal.nccs.nasa.gov/datashare/nexgddp_cmip6/) is the latest version of the NASA Earth Exchange Global Daily Downscaled Projections. It is based on the output of CMIP6 with downscaling and bias correction to generate a high-resolution dataset covering the historical and future periods. NEX-GDDP-CMIP6 provides a finer spatial resolution (0.25° × 0.25°), which can more accurately reflect climate change, and more details can be found in Thrasher et al. (2022). NEX-GDDP-CMIP6 overcomes some shortcomings of NEX-GDDP-CMIP5 and can better reflect the climate change process, but its performance in China has not been evaluated. Therefore, we selected historical (1961–2014) monthly precipitation and temperature data for 16 GCMs in NEX-GDDP-CMIP6 with the aim of assessing their simulated performance over China (Table 1).