Station Meteorological parameter Before Bias correction After Bias correction Bago Precipitation R2=0.6433 RMSE=7.313 R2=0.7785 RMSE=4.894 Tmax R2=0.3686 RMSE=4.24 R2=0.679 RMSE=1.68 Tmin   R2=0.4003 RMSE=5.94 R2=0.5996 RMSE=2.733 Zaungtu Precipitation R2=0.5139 RMSE=7.881 R2=0.7308 RMSE=5.335 Tmax R2=0.3748 RMSE=2.829 R2=0.7346 RMSE=1.693 Tmin R2=0. 3905 RMSE=5.036 R2=0.5875 RMSE=2.682 Kabaraye Precipitation R2=0.2982 RMSE=21.066 R2=0.6743 RMSE=6.371 Tmax R2=0.3061 RMSE=3.298 R2=0.6894 RMSE=2.865 Tmin R2=0.3204 RMSE=1.854 R2=0.5048 RMSE=0.987 Hmawbi Precipitation R2=0.5778 RMSE=7.739 R2=0.7588 RMSE=5.135 Tmax R2=0.4031 RMSE=5.469 R2=0.5812 RMSE=3.446 Tmin R2=0.3178 RMSE=9.8407 R2=0.6812 RMSE=6.884

R2= Coefficient of determination and RMSE=Root mean square error

Table 2: Summary statistics of observed and simulated precipitation and temperature at four stations of the Bago River Basin for the period 1991–2005 before and after bias correction.