Hydrognomon is a free software
application for the analysis and
processing of hydrological data, mainly in the form of time series. It is
provided under the terms of the
GNU GPLv3 License.
Hydrognomon is part of the
openmeteo.org framework, where source code can be obtained.
Key features are:
- Tabular representation of data in many forms.
- Analysis of several time steps ranging from minutes to decades
- Tools for statistical analysis such as distribution
functions fitting, multi regression analysis, statistical
forecasting, monte carlo, ombrian curves (IDF analysis).
- Specific tools for analyzing hydrological data, e.g.
evapotranspiration calculations, water basin model
(lumped), stage-discharge curves, etc.
Hydrognomon has been developed mainly to serve the research activities of the
ITIA research group
which is responsible for the design and maintenance of the
software. Hydrognomon is also one of the software supporting
"Hydroscope" - National
Databank for Hydrological and Meteorological Information.
openmeteo.org is the
host of our open source software solutions including Hydrognomon and
Enhydris server application. Moreover it provides the
framework for the development of the applications and a
database system for hosting free data.
Use the navigation menu on the top of the page to access the
free download location and relative help material.
Current version is 22.214.171.124, released on March 30th, 2012.
Web page last updated on March 30th, 2012 (New
For further inquires you may contact us by sending an e-mail to