Russian State Hydrological Institute (SHI) (Russian: Государственный Гидрологический Институт) is a scientific institute of Russia in the field of developing methods for locating hydrological networks and river hydrometry, creating modern models and methods for accelerated measurements of water discharge, runoff accounting at hydroelectric power plants and other hydrology structures. SHI is created under the initiative of the Russian Academy of Sciences in the year 1919. The institute cooperates with international organizations such as UNESCO and the World Meteorological Organization.
SHI has about 350 employees. The research staff includes about 60 doctors. The institute currently includes such departaments as:
Coordinates: 59°56′31″N 30°17′12″E / 59.94194°N 30.28667°E