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Figure 7 presents the comparisons between ground observations and three downscaled results for each year. The CDFs of SSM measured by in-situ and downscaled results derived from three different algorithms are displayed in Figure 8. The performance shown by the four statistical metrics appears inconsistent from year to year when comparing the results of SVRK and SVRB methods. The SVRK results are frequently better than the SVRB’s during the five-year period. In general, the SVATARK model produces the two highest statistical metrics (i.e., R andSLOP ) and the two lowest statistical metrics (i.e., RMSEand MAE ), followed the SVRK and SVRB models. The CDF comparison indicates that the downscaled results of SVATARK models show minimum deviations from the CDF calculated from the ground observations.