Description and objectives

The ANNHYDRO Project aims to recover historical hydro-meteorological information at the national scale, originally published in paper format from the second decade of the 20th century in the Hydrological Yearbooks and special publications by the Hydrographic Service. The project focuses on the following variables: daily precipitation, minimum temperature, maximum temperature, and river discharge, along with the metadata of the stations where these variables were recorded.

The digitized information, structured in a database, will be made open-access with tools for querying, analysis, visualization, and download, tailored to different user types—from basic users to specialists (ministries, district basin authorities, regions and autonomous provinces, ISPRA and SNPA, Civil Protection Department, academia, research institutes, private professionals, etc.). This is fully aligned with ongoing national initiatives for access and sharing of recent hydro-meteorological data.

The project aims to provide information and tools for hydro-meteorological and climate characterization at multiple territorial scales and for national and sub-national analyses (e.g., district, regional, basin-level), supporting the assessment of current and future impacts of climate change and anthropogenic pressures on the hydrological cycle.