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Little Muddy Creek in Wyoming

River57.1 mi
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Around here

Around Little Muddy Creek

Fossil Butte Visitor Center20.8 miFossil Butte National Monument21.9 mi10 mi

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

About this river

Little Muddy Creek is a 57.1 mile river. Streamflow is measured at the USGS gauge Muddy Creek near Hampton, WY (site 09222400). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1975 to 2025

Little Muddy Creek typically runs highest in May, at a median 107 cfs, and lowest in September, at 2.1 cfs. The highest flow on record for any single day is 686 cfs, in 1980.

Show the numbers
Typical flow by month at Muddy Creek near Hampton, WY, in cfs
MonthTypical (cfs)Usual range (cfs)
January5.52.2 to 11
February9.55.2 to 18
March279.9 to 64
April5923 to 137
May10746 to 173
June307.3 to 117
July2.40.3 to 19
August2.60.3 to 8.4
September2.11.0 to 6.5
October3.62.2 to 13
November5.63.0 to 16
December6.43.3 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 13 years of record. Statistics published by the US Geological Survey for Muddy Creek near Hampton, WY (site 09222400). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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