Table 4. NASH values at each station for 2 year, 4 year and 8 year calibration periods for the TRMM simulation and gauge simulation.

Bold numbers represent a better result compared to the other simulation (i.e., decrease less or increase more).

Scenarios	TRMM-simulation			Gauge-simulation
	Calibration	Validation	Change*	Calibration	Validation	Change
Chiang Saen-2 years	0.737	0.651	-0.086	0.584	0.579	-0.005
Chiang Saen-4 years	0.656	0.644	-0.012	0.508	0.588	0.080
Chiang Saen-8 years	0.671	0.628	-0.043	0.593	0.574	-0.019
Luang Prabang-2 years	0.689	0.694	0.005	0.705	0.654	-0.051
Luang Prabang-4 years	0.684	0.679	-0.006	0.722	0.655	-0.067
Luang Prabang-8 years	0.694	0.675	-0.019	0.700	0.646	-0.054
Nong Khai-2 years	0.684	0.692	0.009	0.634	0.614	-0.019
Nong Khai-4 years	0.679	0.673	-0.006	0.620	0.621	0.001
Nong Khai-8 years	0.698	0.676	-0.022	0.652	0.592	-0.060
Mukdahan-2 years	0.736	0.678	-0.059	0.628	0.558	-0.070
Mukdahan-4 years	0.642	0.747	0.105	0.688	0.693	0.005
Mukdahan-8 years	0.714	0.737	0.022	0.651	0.680	0.029
Pakse-2 years	0.760	0.769	0.008	0.626	0.560	-0.066
Pakse-4 years	0.675	0.738	0.063	0.669	0.669	0.000
Pakse-8 years	0.729	0.721	-0.008	0.681	0.626	-0.055
Stung Treng-2 years	0.770	0.818	0.048	0.715	0.720	0.005
Stung Treng-4 years	0.724	0.754	0.029	0.722	0.741	0.019
Stung Treng-8 years	0.766	0.712	-0.055	0.736	0.717	-0.019

* change is calculated as NASH in validation period minus NASH in calibration period.