Musselshell River at Musselshell Mount
USGS Site No: 06127500 • Musselshell River • Musselshell County, MT
Musselshell River at Musselshell Mount on the Musselshell River is currently at 131 cfs (High — 78th percentile for this date) . Gage height: 2.47 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 | 10 | |
| 25th | Low threshold | 33 | |
| 50th (Median) | Normal (median) | 58 | |
| 75th | High threshold | 107 | |
| 95th | Very High threshold | 265 | Today: 131 cfs |
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 | 95 | — |
| May 27, 2026 | 98 | — |
| May 26, 2026 | 95 | — |
| May 25, 2026 | 95 | — |
| May 24, 2026 | 88 | — |
| May 23, 2026 | 105 | — |
| May 22, 2026 | 134 | — |
| May 21, 2026 | 158 | — |
| May 20, 2026 | 177 | — |
| May 19, 2026 | 178 | — |
| May 18, 2026 | 187 | — |
| May 17, 2026 | 164 | — |
| May 16, 2026 | 124 | — |
| May 15, 2026 | 87 | — |
| Apr 20, 2026 | 48 | — |
| Apr 19, 2026 | 48 | — |
| Apr 18, 2026 | 48 | — |
| Apr 17, 2026 | 49 | — |
| Apr 16, 2026 | 50 | — |
| Apr 15, 2026 | 49 | — |
| Apr 14, 2026 | 50 | — |
| Apr 13, 2026 | 49 | — |
| Apr 12, 2026 | 48 | — |
| Apr 11, 2026 | 48 | — |
| Apr 10, 2026 | 49 | — |
| Apr 9, 2026 | 51 | — |
| Apr 8, 2026 | 53 | — |
| Apr 7, 2026 | 55 | — |
| Apr 6, 2026 | 56 | — |
| Apr 5, 2026 | 57 | — |
Station Information
- USGS Site No
- 06127500
- State
- MT
- County
- Musselshell County
- Coordinates
- 46.5224, -108.1089
- Drainage Area
- 4,534 mi²
- Datum (ft)
- 2,984.7
- HUC Code
- 10040202
Flood Stage Thresholds
- Flood Stage
- 11.0 ft
- Moderate Flood
- 11.5 ft
- Major Flood
- 12.0 ft
Currently 8.53 ft below flood stage.
Recent Extremes
- Max discharge
-
411 cfsMay 16, 2025
- Min discharge
-
44 cfsSep 11, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Musselshell River Near Roundup MountHigh22.9 mi · 207 cfs
-
Flatwillow Creek Near Mosby MountNormal29.3 mi · 9 cfs
-
Musselshell River at Mosby MountLow34.2 mi · 10 cfs
-
Bighorn River above Tullock Creek near Bighorn MountLow41.1 mi · 1,710 cfs
-
Musselshell River above Big Coulee Creek at Lavina MountVery High42.7 mi · 232 cfs