Boone River Near Webster City, IA
USGS Site No: 05481000 • Boone River • Hamilton County, IA
Boone River Near Webster City, IA on the Boone River is currently at 620 cfs (High — 83th percentile for this date) . Gage height: 3.17 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 | 14 | |
| 25th | Low threshold | 25 | |
| 50th (Median) | Normal (median) | 79 | |
| 75th | High threshold | 323 | |
| 95th | Very High threshold | 1,050 | Today: 620 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 | 659 | — |
| May 27, 2026 | 647 | — |
| May 26, 2026 | 607 | — |
| May 25, 2026 | 609 | — |
| May 24, 2026 | 588 | — |
| May 23, 2026 | 599 | — |
| May 22, 2026 | 575 | — |
| May 21, 2026 | 584 | — |
| May 20, 2026 | 599 | — |
| May 19, 2026 | 615 | — |
| May 18, 2026 | 588 | — |
| May 17, 2026 | 456 | — |
| May 16, 2026 | 469 | — |
| May 15, 2026 | 373 | — |
| Apr 20, 2026 | 789 | — |
| Apr 19, 2026 | 857 | — |
| Apr 18, 2026 | 937 | — |
| Apr 17, 2026 | 1,030 | — |
| Apr 16, 2026 | 1,120 | — |
| Apr 15, 2026 | 1,190 | — |
| Apr 14, 2026 | 1,250 | — |
| Apr 13, 2026 | 1,350 | — |
| Apr 12, 2026 | 1,420 | — |
| Apr 11, 2026 | 1,470 | — |
| Apr 10, 2026 | 1,640 | — |
| Apr 9, 2026 | 1,890 | — |
| Apr 8, 2026 | 2,290 | — |
| Apr 7, 2026 | 2,680 | — |
| Apr 6, 2026 | 2,970 | — |
| Apr 5, 2026 | 3,380 | — |
Station Information
- USGS Site No
- 05481000
- State
- IA
- County
- Hamilton County
- Coordinates
- 42.4320, -93.8059
- Drainage Area
- 844 mi²
- Datum (ft)
- 989.4
- HUC Code
- 07100005
Flood Stage Thresholds
- Action Stage
- 9.0 ft
- Flood Stage
- 14.0 ft
- Moderate Flood
- 17.0 ft
- Major Flood
- 19.0 ft
Currently 10.83 ft below flood stage.
Recent Extremes
- Max discharge
-
5,860 cfsJul 21, 2025
- Min discharge
-
71 cfsFeb 24, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
South Fork Iowa River Near Blairsburg, IAVery High13.5 mi · 0 cfs
-
Des Moines River Near Stratford, IAHigh15.8 mi · 4,620 cfs
-
Des Moines River at Fort Dodge, IAHigh20.9 mi · 3,580 cfs
-
Boone River Near Goldfield, IAVery High21.4 mi · 302 cfs
-
Iowa River Near Rowan, IAHigh24.5 mi · 252 cfs