Jefferson River at Parsons Bdg near Silver Star, Mount
USGS Site No: 06027600 • Jefferson River • Madison County, MT
Jefferson River at Parsons Bdg near Silver Star, Mount on the Jefferson River is currently at 0 cfs (Unknown) . Gage height: 0.00 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 | 0 | |
| 25th | Low threshold | 860 | |
| 50th (Median) | Normal (median) | 1,560 | |
| 75th | High threshold | 1,630 | |
| 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) |
|---|---|---|
| Sep 30, 2025 | 257 | — |
| Sep 29, 2025 | 248 | — |
| Sep 28, 2025 | 241 | — |
| Sep 27, 2025 | 238 | — |
| Sep 26, 2025 | 239 | — |
| Sep 25, 2025 | 231 | — |
| Sep 24, 2025 | 221 | — |
| Sep 23, 2025 | 199 | — |
| Sep 22, 2025 | 171 | — |
| Sep 21, 2025 | 164 | — |
| Sep 20, 2025 | 177 | — |
| Sep 19, 2025 | 167 | — |
| Sep 18, 2025 | 167 | — |
| Sep 17, 2025 | 170 | — |
| Sep 16, 2025 | 159 | — |
| Sep 15, 2025 | 163 | — |
| Sep 14, 2025 | 159 | — |
| Sep 13, 2025 | 141 | — |
| Sep 12, 2025 | 136 | — |
| Sep 11, 2025 | 129 | — |
| Sep 10, 2025 | 122 | — |
| Sep 9, 2025 | 117 | — |
| Sep 8, 2025 | 114 | — |
| Sep 7, 2025 | 118 | — |
| Sep 6, 2025 | 112 | — |
| Sep 5, 2025 | 107 | — |
| Sep 4, 2025 | 116 | — |
| Sep 3, 2025 | 131 | — |
| Sep 2, 2025 | 137 | — |
| Sep 1, 2025 | 142 | — |
Station Information
- USGS Site No
- 06027600
- State
- MT
- County
- Madison County
- Coordinates
- 45.7475, -112.1872
- Drainage Area
- 7,759 mi²
- Datum (ft)
- 4,425.0
- HUC Code
- 100200050106
Recent Extremes
- Max discharge
-
691 cfsJul 1, 2025
- Min discharge
-
62 cfsAug 14, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Jefferson River Near Twin Bridges, MountVery High11.5 mi · 2,380 cfs
-
Beaverhead River at Twin Bridges, MountVery High15.7 mi · 175 cfs
-
Big Hole River below Hamilton Ditch near Twin Bridges, MountVery High16.0 mi · 2,120 cfs
-
Ruby River Near Twin Bridges MountVery Low18.0 mi · 20 cfs
-
Willow Creek Near Harrison MountLow21.6 mi · 13 cfs