Number on the map (Fig.1)	River―site	Student’s criteria
Number on the map (Fig.1)	River―site	Calculated value	Critical value
50	Shilka―Sretensk	−1.421	2.035
51	Ussuri―Kirovskiy	−5.074	2.035
52	Urmi―Verkh. Urmi	−3.360	2.035
53	Amur―Komsomolsk-na-Amure	−2.800	2.035
54	Uda―Udskoye	−3.902	2.035
55	Naiba―Bykov	−3.738	2.035
56	Uglegorka―Krasnopolye	−4.057	2.035