Fisher River Near Libby Mount
USGS Site No: 12302055 • Fisher River • Lincoln County, MT
Fisher River Near Libby Mount on the Fisher River is currently at 597 cfs (Very High — 100th percentile for this date) . Gage height: 4.25 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 85 | |
| 25th | Low threshold | 103 | |
| 50th (Median) | Normal (median) | 120 | |
| 75th | High threshold | 156 | |
| 95th | Very High threshold | 395 |
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 | 583 | — |
| May 27, 2026 | 589 | — |
| May 26, 2026 | 524 | — |
| May 25, 2026 | 520 | — |
| May 24, 2026 | 500 | — |
| May 23, 2026 | 487 | — |
| May 22, 2026 | 491 | — |
| May 21, 2026 | 505 | — |
| May 20, 2026 | 512 | — |
| May 19, 2026 | 538 | — |
| May 18, 2026 | 581 | — |
| May 17, 2026 | 632 | — |
| May 16, 2026 | 680 | — |
| May 15, 2026 | 781 | — |
| Apr 20, 2026 | 736 | — |
| Apr 19, 2026 | 767 | — |
| Apr 18, 2026 | 810 | — |
| Apr 17, 2026 | 873 | — |
| Apr 16, 2026 | 955 | — |
| Apr 15, 2026 | 1,000 | — |
| Apr 14, 2026 | 1,010 | — |
| Apr 13, 2026 | 974 | — |
| Apr 12, 2026 | 927 | — |
| Apr 11, 2026 | 884 | — |
| Apr 10, 2026 | 894 | — |
| Apr 9, 2026 | 928 | — |
| Apr 8, 2026 | 933 | — |
| Apr 7, 2026 | 886 | — |
| Apr 6, 2026 | 868 | — |
| Apr 5, 2026 | 895 | — |
Station Information
- USGS Site No
- 12302055
- State
- MT
- County
- Lincoln County
- Coordinates
- 48.3556, -115.3147
- Drainage Area
- 842 mi²
- Datum (ft)
- 2,134.1
- HUC Code
- 17010102
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 7.5 ft
- Moderate Flood
- 8.5 ft
- Major Flood
- 10.0 ft
Currently 3.25 ft below flood stage.
Recent Extremes
- Max discharge
-
3,710 cfsDec 11, 2025
- Min discharge
-
44 cfsSep 5, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Kootenai River below Libby Dam near Libby MountVery High3.1 mi · 24,900 cfs
-
Libby Wetland Site below Schrieber Lake near Libby, MountNormal18.0 mi · 1 cfs
-
Yaak River Near Troy MountVery High33.2 mi · 1,770 cfs
- Unknown
-
Tobacco River at Eureka, MountVery High38.0 mi · 876 cfs