Klamath River below John C.boyle Pwrplnt, near Keno,or
USGS Site No: 11510700 • Klamath River • Klamath County, OR
Klamath River below John C.boyle Pwrplnt, near Keno,or on the Klamath River is currently at 1,210 cfs (Normal — 62th percentile for this date) . Gage height: 4.28 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 522 | |
| 25th | Low threshold | 636 | |
| 50th (Median) | Normal (median) | 941 | |
| 75th | High threshold | 1,500 | Today: 1,210 cfs |
| 95th | Very High threshold | 2,670 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 1,260 | — |
| May 27, 2026 | 1,260 | — |
| May 26, 2026 | 1,280 | — |
| May 25, 2026 | 1,310 | — |
| May 24, 2026 | 1,310 | — |
| May 23, 2026 | 1,310 | — |
| May 22, 2026 | 1,310 | — |
| May 21, 2026 | 1,310 | — |
| May 20, 2026 | 1,340 | — |
| May 19, 2026 | 1,350 | — |
| May 18, 2026 | 1,370 | — |
| May 17, 2026 | 1,380 | — |
| May 16, 2026 | 1,380 | — |
| May 15, 2026 | 1,380 | — |
| Apr 20, 2026 | 1,280 | — |
| Apr 19, 2026 | 1,280 | — |
| Apr 18, 2026 | 1,280 | — |
| Apr 17, 2026 | 1,280 | — |
| Apr 16, 2026 | 1,290 | — |
| Apr 15, 2026 | 1,300 | — |
| Apr 14, 2026 | 1,300 | — |
| Apr 13, 2026 | 1,300 | — |
| Apr 12, 2026 | 1,300 | — |
| Apr 11, 2026 | 1,300 | — |
| Apr 10, 2026 | 1,300 | — |
| Apr 9, 2026 | 1,300 | — |
| Apr 8, 2026 | 1,300 | — |
| Apr 7, 2026 | 1,280 | — |
| Apr 6, 2026 | 1,250 | — |
| Apr 5, 2026 | 1,240 | — |
Station Information
- USGS Site No
- 11510700
- State
- OR
- County
- Klamath County
- Coordinates
- 42.0846, -122.0733
- Drainage Area
- 4,080 mi²
- Datum (ft)
- 3,274.8
- HUC Code
- 18010206
Recent Extremes
- Max discharge
-
4,160 cfsFeb 21, 2026
- Min discharge
-
871 cfsDec 11, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Klamath River at Keno, ORNormal6.6 mi · 980 cfs
-
Klamath Straits Drain Near Worden, ORLow11.5 mi · -1 cfs
-
Ady Canal at Highway 97, Near Worden, ORNormal11.7 mi · 25 cfs
-
North Canal at Highway 97, Near Midland, ORVery Low12.9 mi · -1 cfs
-
Ady Canal Above Lower Klamath Nwr, Near Worden, ORNormal13.9 mi · 1 cfs