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West Fork Little Bighorn River in Wyoming

River5.9 mi
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Around West Fork Little Bighorn River

1 mi

Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US

About this river

West Fork Little Bighorn River is a 5.9 mile river. Streamflow is measured at the USGS gauge Little Bighorn River at State Line nr Wyola MT (site 06289000). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1940 to 2026

West Fork Little Bighorn River typically runs highest in June, at a median 495 cfs, and lowest in February, at 62 cfs. The highest flow on record for any single day is 2,340 cfs, in 1944.

Show the numbers
Typical flow by month at Little Bighorn River at State Line nr Wyola MT, in cfs
MonthTypical (cfs)Usual range (cfs)
January6456 to 72
February6255 to 69
March6256 to 68
April7466 to 86
May256188 to 414
June495312 to 718
July195136 to 235
August11896 to 142
September9683 to 111
October8774 to 98
November7666 to 85
December6960 to 77

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 87 years of record. Statistics published by the US Geological Survey for Little Bighorn River at State Line nr Wyola MT (site 06289000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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