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Around Middle Fork Powder River
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
Middle Fork Powder River is a 58.5 mile river. Streamflow is measured at the USGS gauge Middle Fork Powder River near Barnum, WY (site 06309200). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1962 to 2026
Middle Fork Powder River typically runs highest in May, at a median 112 cfs, and lowest in February, at 5.1 cfs. The highest flow on record for any single day is 1,010 cfs, in 2010.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 5.2 | 4.6 to 5.8 |
| February | 5.1 | 4.6 to 5.8 |
| March | 5.4 | 4.5 to 7.4 |
| April | 20 | 11 to 34 |
| May | 112 | 69 to 233 |
| June | 44 | 27 to 101 |
| July | 12 | 8.3 to 18 |
| August | 7.2 | 5.8 to 9.8 |
| September | 6.6 | 5.3 to 8.2 |
| October | 6.6 | 5.6 to 8.3 |
| November | 6.0 | 5.1 to 7.2 |
| December | 5.5 | 4.7 to 6.3 |
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 65 years of record. Statistics published by the US Geological Survey for Middle Fork Powder River near Barnum, WY (site 06309200). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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