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South Fork Ninnescah River in Kansas

River48.6 mi
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Around South Fork Ninnescah River

10 mi

Public land: USGS PAD-US

About this river

South Fork Ninnescah River is a 48.6 mile river. Streamflow is measured at the USGS gauge SF Ninnescah R near Pratt, KS (site 07144910). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1981 to 2026

South Fork Ninnescah River typically runs highest in May, at a median 11 cfs, and lowest in August, at 6.0 cfs. The highest flow on record for any single day is 6,240 cfs, in 1991.

Show the numbers
Typical flow by month at SF Ninnescah R near Pratt, KS, in cfs
MonthTypical (cfs)Usual range (cfs)
January118.5 to 12
February108.6 to 12
March118.2 to 14
April118.1 to 14
May117.8 to 15
June9.77.0 to 15
July7.35.1 to 11
August6.04.3 to 9.9
September6.24.3 to 9.3
October7.75.6 to 10
November107.8 to 12
December108.3 to 12

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 46 years of record. Statistics published by the US Geological Survey for SF Ninnescah R near Pratt, KS (site 07144910). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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