23006 - South Tyne at Featherstone

Grid Reference:	35 (NY) 672 611
Operator:	EA
Catchment Area:	321.9 km²
Level of Station:	131.7 mOD
Max. Altitude:	893.0 mOD
Mean flow:	10.54 m³s^-1
95% exceedance (Q95):	1.317 m³s^-1
10% exceedance (Q10):	25.71 m³s^-1
61-90 Av. Ann. Rainfall:	1331 mm

Sample Hydrograph of Gauged Daily Flows

Flow Duration Curve for Gauged Daily Flows

Station Description

Compound Crump profile weir. Lower crest 15.2m, upper crest 29.5m. Theoretical rating. Structure contains all flows and is modular throughout range. Some peak truncation is suspected and may be due to stilling well problems, but never confirmed. Natural flow regime.

Catchment Description

Linear, north trending catchment in northern Pennines. Geology: mainly Carboniferous Limestone with 65% superficial deposits of peat and boulder clay. Land use is predominantly grassland and upland heath.

Factors Affecting Runoff

Natural to within 10% at the 95 percentile flow.

River Flow and Catchment Rainfall on the National River Flow Archive

Gauged Daily Flows (gdf):	1966 to 2006
Monthly Catchment Rainfall (rnf):	1966 to 2006

Datatype	1960s										1970s										1980s										1990s										2000s

gdf
rnf

For many stations monthly peak flows are also archived. When daily flow data are not available monthly mean flows may be held on the National River Flow Archive. See Data Holdings for further information.

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