Logan River Above State Dam, Near Logan, UT
USGS Site No: 10109000 • Logan River • Cache County, UT
Logan River Above State Dam, Near Logan, UT on the Logan River is currently at 318 cfs (Very High — 99th percentile for this date) . Gage height: 3.31 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 27 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 | 81 | |
| 25th | Low threshold | 94 | |
| 50th (Median) | Normal (median) | 121 | |
| 75th | High threshold | 163 | |
| 95th | Very High threshold | 225 |
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 | 318 | — |
| May 27, 2026 | 311 | — |
| May 26, 2026 | 294 | — |
| May 25, 2026 | 276 | — |
| May 24, 2026 | 255 | — |
| May 23, 2026 | 250 | — |
| May 22, 2026 | 258 | — |
| May 21, 2026 | 269 | — |
| May 20, 2026 | 286 | — |
| May 19, 2026 | 311 | — |
| May 18, 2026 | 332 | — |
| May 17, 2026 | 354 | — |
| May 16, 2026 | 374 | — |
| May 15, 2026 | 388 | — |
| Apr 20, 2026 | 250 | — |
| Apr 19, 2026 | 260 | — |
| Apr 18, 2026 | 260 | — |
| Apr 17, 2026 | 264 | — |
| Apr 16, 2026 | 274 | — |
| Apr 15, 2026 | 271 | — |
| Apr 14, 2026 | 279 | — |
| Apr 13, 2026 | 290 | — |
| Apr 12, 2026 | 301 | — |
| Apr 11, 2026 | 299 | — |
| Apr 10, 2026 | 276 | — |
| Apr 9, 2026 | 261 | — |
| Apr 8, 2026 | 251 | — |
| Apr 7, 2026 | 245 | — |
| Apr 6, 2026 | 245 | — |
| Apr 5, 2026 | 251 | — |
Station Information
- USGS Site No
- 10109000
- State
- UT
- County
- Cache County
- Coordinates
- 41.7436, -111.7840
- Drainage Area
- 214 mi²
- Datum (ft)
- 4,681.8
- HUC Code
- 16010203
Flood Stage Thresholds
- Action Stage
- 5.0 ft
- Flood Stage
- 5.2 ft
- Moderate Flood
- 5.5 ft
- Major Flood
- 6.0 ft
Currently 1.89 ft below flood stage.
Recent Extremes
- Max discharge
-
660 cfsMay 13, 2025
- Min discharge
-
73 cfsSep 10, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Com F Logan River above St D And Cache Hl Can near Logan UTVery High0.1 mi · 383 cfs
-
Cache Highline Canal Near Logan, UtahVery High1.1 mi · 65 cfs
-
Bear River Near Smithfield, UTNormal8.3 mi · 848 cfs
-
Blacksmith Fork above Up And L Co.'South Dam near Hyrum, UTNormal8.6 mi · 67 cfs
-
Little Bear River at Paradise, UTNormal12.2 mi · 38 cfs