The National River Flow Archive Station Summary Sheets provide typical hydrographs and period-of-record duration curves for individual flow records together with reference information relating to the gauging station and the catchment it commands. Summary information regarding data holdings is also featured (see Summary of Data Holdings for further details).
Select the geographical region of interest from the map below or from the list of principal measuring authorities (below).
Note: for guidance regarding some of the technical terms used in the Station Summary Sheets see the Glossary.