Fish C near Ketchikan AK
USGS Site No: 15072000 • Ketchikan Gateway Borough, AK
Fish C near Ketchikan AK is currently at 265 cfs (Low — 14th percentile for this date) . Gage height: 1.40 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 | 249 | |
| 25th | Low threshold | 310 | Today: 265 cfs |
| 50th (Median) | Normal (median) | 430 | |
| 75th | High threshold | 563 | |
| 95th | Very High threshold | 938 |
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 | 284 | — |
| May 27, 2026 | 302 | — |
| May 26, 2026 | 327 | — |
| May 25, 2026 | 354 | — |
| May 24, 2026 | 353 | — |
| May 23, 2026 | 372 | — |
| May 22, 2026 | 403 | — |
| May 21, 2026 | 407 | — |
| May 20, 2026 | 403 | — |
| May 19, 2026 | 440 | — |
| May 18, 2026 | 392 | — |
| May 17, 2026 | 366 | — |
| May 16, 2026 | 407 | — |
| May 15, 2026 | 453 | — |
| Apr 20, 2026 | 198 | — |
| Apr 19, 2026 | 192 | — |
| Apr 18, 2026 | 187 | — |
| Apr 17, 2026 | 184 | — |
| Apr 16, 2026 | 190 | — |
| Apr 15, 2026 | 201 | — |
| Apr 14, 2026 | 214 | — |
| Apr 13, 2026 | 212 | — |
| Apr 12, 2026 | 207 | — |
| Apr 11, 2026 | 204 | — |
| Apr 10, 2026 | 206 | — |
| Apr 9, 2026 | 220 | — |
| Apr 8, 2026 | 245 | — |
| Apr 7, 2026 | 278 | — |
| Apr 6, 2026 | 287 | — |
| Apr 5, 2026 | 208 | — |
Station Information
- USGS Site No
- 15072000
- State
- AK
- County
- Ketchikan Gateway Borough
- Coordinates
- 55.3916, -131.1956
- Drainage Area
- 35 mi²
- Datum (ft)
- 20.0
- HUC Code
- 19010102
Flood Stage Thresholds
- Action Stage
- 4.0 ft
- Flood Stage
- 4.5 ft
- Moderate Flood
- 5.0 ft
Currently 3.10 ft below flood stage.
Recent Extremes
- Max discharge
-
3,510 cfsJan 12, 2026
- Min discharge
-
71 cfsSep 10, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Leask Creek at Shelter Cove near Ketchikan AKVery Low15.6 mi · 16 cfs
-
Salmon River near Hyder AKVery Low62.1 mi · 850 cfs