When downloading data, users must agree to the NRFA data licence, the full version of which is accessible here.
Using NRFA hydrographs and plots
Please cite the image of the hydrograph as below:
e.g. National River Flow Archive, http://nrfa.ceh.ac.uk/data/station/info/39001, 6th April 2018.
For peak flow data, please also add the WINFAP version. The current version can be found on the WINFAP pages.