Hatchery C at Forest Svc Road 23 near Coffman Cove AK
USGS Site No: 15086225 • Prince of Wales-Hyder Census Area, AK
Hatchery C at Forest Svc Road 23 near Coffman Cove AK is currently at 34 cfs (Very Low — 7th percentile for this date) . Gage height: 6.17 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 | 50 | Today: 34 cfs |
| 25th | Low threshold | 60 | |
| 50th (Median) | Normal (median) | 74 | |
| 75th | High threshold | 139 | |
| 95th | Very High threshold | 0 |
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 | 42 | — |
| May 27, 2026 | 52 | — |
| May 26, 2026 | 65 | — |
| May 25, 2026 | 79 | — |
| May 24, 2026 | 96 | — |
| May 23, 2026 | 125 | — |
| May 22, 2026 | 156 | — |
| May 21, 2026 | 138 | — |
| May 19, 2026 | 98 | — |
| May 18, 2026 | 110 | — |
| May 17, 2026 | 139 | — |
| May 16, 2026 | 200 | — |
| May 15, 2026 | 204 | — |
| Apr 21, 2026 | 162 | — |
| Apr 20, 2026 | 185 | — |
| Apr 19, 2026 | 179 | — |
| Apr 18, 2026 | 140 | — |
| Apr 17, 2026 | 118 | — |
| Apr 16, 2026 | 126 | — |
| Apr 15, 2026 | 148 | — |
| Apr 14, 2026 | 173 | — |
| Apr 13, 2026 | 183 | — |
| Apr 12, 2026 | 203 | — |
| Apr 11, 2026 | 234 | — |
| Apr 10, 2026 | 238 | — |
| Apr 9, 2026 | 246 | — |
| Apr 8, 2026 | 362 | — |
| Apr 7, 2026 | 646 | — |
| Apr 6, 2026 | 740 | — |
| Apr 5, 2026 | 245 | — |
Station Information
- USGS Site No
- 15086225
- State
- AK
- Coordinates
- 55.9086, -132.9308
- Drainage Area
- 39 mi²
- Datum (ft)
- 155.2
- HUC Code
- 19010103
Recent Extremes
- Max discharge
-
2,400 cfsJan 10, 2026
- Min discharge
-
5 cfsSep 9, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Staney C near Klawock AKNormal10.2 mi · 77 cfs