About this river
Columbia River is a 27.8 mile river near Wet Planet Rafting and Kayaking in Washington. Streamflow is measured at the USGS gauge Columbia River at the Dalles, OR (site 14105700). The National Hydrography Dataset places it at stream order 10. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1879 to 2026
Columbia River typically runs highest in June, at a median 401,000 cfs, and lowest in October, at 100,000 cfs. The highest flow on record for any single day is 1,230,000 cfs, in 1894.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 114,000 | 83,800 to 158,000 | |
| February | 124,000 | 88,600 to 164,000 | |
| March | 134,000 | 105,000 to 174,000 | |
| April | 192,000 | 149,000 to 250,500 | |
| May | 316,000 | 248,000 to 390,000 | |
| June | 401,000 | 277,500 to 526,000 | |
| July | 259,000 | 184,000 to 340,000 | |
| August | 155,000 | 131,000 to 190,000 | |
| September | 111,000 | 98,150 to 127,500 | |
| October | 100,000 | 87,500 to 116,000 | |
| November | 108,500 | 87,150 to 130,000 | |
| December | 115,000 | 85,000 to 147,000 |
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 147 years of record. Statistics published by the US Geological Survey for Columbia River at the Dalles, OR (site 14105700). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Columbia River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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