Abstract
This paper presents the performance of Xinanjiang rainfall-runoff model for a basin (524.9 Km2), of Yodo River catchment in Japan. The model has been modified to use the evapotranspiration values computed using the Energy Balance Method instead of the conventional pan evaporation method. This has been achieved by using the hourly precipitation and discharge observations in addition to the hourly evapotranspiration values. To compute the hourly evapotranspiration the Energy Balance method has been used which originally provides the daily values, therefore time distribution procedure for short wave radiation has been incorporated and AMeDAS data was used for the computations. The performance of Xinanjiang model was checked using hourly and daily data.