This map shows the appoximate outline of the catchment area which feeds into the measuring station at RIVER THAMES AT DAY'S WEIR (GAUGED). All the rain which falls onto the blue area, that is not absorbed into the soil or evaporated, will eventually flow to the sea via RIVER THAMES AT DAY'S WEIR (GAUGED).
This local monitoring station catchment area is contained within the Gloucestershire and the Vale management catchment area.
RIVER THAMES AT DAY'S WEIR (GAUGED) Monitoring Station Details
Acknowledgement: Data from the UK National River Flow Archive. Used under the terms of the NRFA Data Licence.