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Table 2

Results of homogeneity and stationarity test of observed and NCEP rainfall data at three stations in the Bagmati River basin

Pettitt test
Stations	Observed	Observations	Minimum	Maximum	Mean	Std. deviation	P_k	k	p-value (one-tailed)
Dhenge		396	0	892	106.618	158.403	−1,298	52	0.821
Benibad			0	718.3	99.3557	144.893	−2,339	51	0.546
Kamtaul			0	723.2	103.722	147.934	−901	52	0.9
Augmented Dickey–Fuller (ADF)
Stations	Observed	Observations	Minimum	Maximum	Mean	Std. deviation	Tau	Tau (Critical value)	p-value (one-tailed)
Dhenge		396	0	892	106.618	158.403	−12.347	−0.874	<0.0001
Benibad			0	718.3	99.3557	144.893	−13.532	−0.874	<0.0001
Kamtaul			0	723.2	103.722	147.934	−13.803	−0.874	<0.0001

Pettitt test
Stations	Observed	Observations	Minimum	Maximum	Mean	Std. deviation	P_k	k	p-value (one-tailed)
Dhenge		396	0	892	106.618	158.403	−1,298	52	0.821
Benibad			0	718.3	99.3557	144.893	−2,339	51	0.546
Kamtaul			0	723.2	103.722	147.934	−901	52	0.9
Augmented Dickey–Fuller (ADF)
Stations	Observed	Observations	Minimum	Maximum	Mean	Std. deviation	Tau	Tau (Critical value)	p-value (one-tailed)
Dhenge		396	0	892	106.618	158.403	−12.347	−0.874	<0.0001
Benibad			0	718.3	99.3557	144.893	−13.532	−0.874	<0.0001
Kamtaul			0	723.2	103.722	147.934	−13.803	−0.874	<0.0001