Boyer River at Logan, IA
USGS Site No: 06609500 • Boyer River • Harrison County, IA
Boyer River at Logan, IA on the Boyer River is currently at 552 cfs (High — 88th percentile for this date) . Gage height: 4.77 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 | 39 | |
| 25th | Low threshold | 64 | |
| 50th (Median) | Normal (median) | 130 | |
| 75th | High threshold | 284 | |
| 95th | Very High threshold | 692 | Today: 552 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 | 580 | — |
| May 27, 2026 | 609 | — |
| May 26, 2026 | 654 | — |
| May 25, 2026 | 740 | — |
| May 24, 2026 | 800 | — |
| May 23, 2026 | 580 | — |
| May 22, 2026 | 506 | — |
| May 21, 2026 | 478 | — |
| May 20, 2026 | 512 | — |
| May 19, 2026 | 572 | — |
| May 18, 2026 | 545 | — |
| May 17, 2026 | 512 | — |
| May 16, 2026 | 441 | — |
| May 15, 2026 | 428 | — |
| Apr 20, 2026 | 447 | — |
| Apr 19, 2026 | 455 | — |
| Apr 18, 2026 | 486 | — |
| Apr 17, 2026 | 532 | — |
| Apr 16, 2026 | 608 | — |
| Apr 15, 2026 | 533 | — |
| Apr 14, 2026 | 547 | — |
| Apr 13, 2026 | 567 | — |
| Apr 12, 2026 | 579 | — |
| Apr 11, 2026 | 576 | — |
| Apr 10, 2026 | 608 | — |
| Apr 9, 2026 | 617 | — |
| Apr 8, 2026 | 635 | — |
| Apr 7, 2026 | 668 | — |
| Apr 6, 2026 | 747 | — |
| Apr 3, 2026 | 568 | — |
Station Information
- USGS Site No
- 06609500
- State
- IA
- County
- Harrison County
- Coordinates
- 41.6417, -95.7823
- Drainage Area
- 871 mi²
- Datum (ft)
- 1,010.5
- HUC Code
- 10230007
Flood Stage Thresholds
- Action Stage
- 19.0 ft
- Flood Stage
- 21.0 ft
- Moderate Flood
- 22.0 ft
- Major Flood
- 25.0 ft
Currently 16.23 ft below flood stage.
Recent Extremes
- Max discharge
-
3,880 cfsAug 10, 2025
- Min discharge
-
206 cfsFeb 23, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Soldier River at Pisgah, IAHigh15.2 mi · 174 cfs
-
Little Sioux River Near Turin, IAVery High24.4 mi · 4,140 cfs
-
Monona-Harrison Ditch Near Turin, IAHigh24.8 mi · 488 cfs
-
Little Papillion Creek at Irvington, Nebr.Normal26.7 mi · 9 cfs
-
Missouri River at Omaha, NENormal27.4 mi · 34,800 cfs