Portneuf River near Tyhee ID
USGS Site No: 13075910 • Portneuf River. • Bannock County, ID
Portneuf River near Tyhee ID on the Portneuf River. is currently at 165 cfs (Very Low — 5th percentile for this date) . Gage height: 2.73 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 | 338 | Today: 165 cfs |
| 25th | Low threshold | 389 | |
| 50th (Median) | Normal (median) | 430 | |
| 75th | High threshold | 490 | |
| 95th | Very High threshold | 661 |
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 | 173 | — |
| May 27, 2026 | 178 | — |
| May 25, 2026 | 161 | — |
| May 24, 2026 | 162 | — |
| May 23, 2026 | 155 | — |
| May 18, 2026 | 161 | — |
| May 17, 2026 | 124 | — |
| May 16, 2026 | 116 | — |
| May 15, 2026 | 129 | — |
| Apr 20, 2026 | 290 | — |
| Apr 19, 2026 | 347 | — |
| Apr 18, 2026 | 382 | — |
| Apr 17, 2026 | 334 | — |
| Apr 16, 2026 | 329 | — |
| Apr 15, 2026 | 353 | — |
| Apr 14, 2026 | 353 | — |
| Apr 13, 2026 | 363 | — |
| Apr 12, 2026 | 400 | — |
| Apr 11, 2026 | 402 | — |
| Apr 10, 2026 | 397 | — |
| Apr 9, 2026 | 407 | — |
| Apr 8, 2026 | 410 | — |
| Apr 7, 2026 | 416 | — |
| Apr 6, 2026 | 422 | — |
| Apr 5, 2026 | 437 | — |
| Apr 4, 2026 | 446 | — |
| Apr 3, 2026 | 457 | — |
| Apr 2, 2026 | 465 | — |
| Apr 1, 2026 | 435 | — |
| Mar 31, 2026 | 431 | — |
Station Information
- USGS Site No
- 13075910
- State
- ID
- County
- Bannock County
- Coordinates
- 42.9447, -112.5444
- Drainage Area
- 1,305 mi²
- Datum (ft)
- 4,366.6
- HUC Code
- 17040208
Flood Stage Thresholds
- Action Stage
- 5.8 ft
- Flood Stage
- 6.2 ft
Currently 3.50 ft below flood stage.
Recent Extremes
- Max discharge
-
651 cfsApr 24, 2025
- Min discharge
-
116 cfsMay 16, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Portneuf River at Pocatello IDVery Low6.4 mi · 68 cfs
-
Spring Creek at Sheepskin Road near Fort Hall IDNormal6.8 mi · 328 cfs
-
Snake River near Blackfoot IDNormal12.5 mi · 3,160 cfs
-
Blackfoot River And Bypass Channel near Blackfoot IDVery Low13.3 mi · 25 cfs
-
Blackfoot River near Blackfoot IDVery Low13.3 mi · 23 cfs