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Middle Fork John Day River in Oregon

River37.0 mi
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Around here

Around Middle Fork John Day River

5 mi

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

About this river

Middle Fork John Day River is a 37.0 mile river. Streamflow is measured at the USGS gauge Middle Fork John Day River at Ritter, OR (site 14044000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1930 to 2026

Middle Fork John Day River typically runs highest in April, at a median 664 cfs, and lowest in August, at 26 cfs. The highest flow on record for any single day is 4,600 cfs, in 2011.

Show the numbers
Typical flow by month at Middle Fork John Day River at Ritter, OR, in cfs
MonthTypical (cfs)Usual range (cfs)
January9560 to 182
February15696 to 295
March343213 to 639
April664454 to 992
May646425 to 940
June263156 to 415
July5536 to 80
August2619 to 38
September2721 to 39
October3831 to 49
November5442 to 71
December7047 to 136

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 97 years of record. Statistics published by the US Geological Survey for Middle Fork John Day River at Ritter, OR (site 14044000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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