South Skunk River Below Ioway Creek Near Ames, IA
USGS Site No: 05471000 • South Skunk River • Story County, IA
South Skunk River Below Ioway Creek Near Ames, IA on the South Skunk River is currently at 447 cfs (Normal — 46th percentile for this date) . Gage height: 11.44 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 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 | 110 | |
| 25th | Low threshold | 287 | |
| 50th (Median) | Normal (median) | 475 | Today: 447 cfs |
| 75th | High threshold | 790 | |
| 95th | Very High threshold | 4,320 |
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 | 489 | — |
| May 27, 2026 | 524 | — |
| May 26, 2026 | 558 | — |
| May 25, 2026 | 591 | — |
| May 24, 2026 | 660 | — |
| May 23, 2026 | 765 | — |
| May 22, 2026 | 870 | — |
| May 21, 2026 | 1,050 | — |
| May 20, 2026 | 1,410 | — |
| May 19, 2026 | 1,620 | — |
| May 18, 2026 | 870 | — |
| May 17, 2026 | 442 | — |
| May 16, 2026 | 405 | — |
| May 15, 2026 | 369 | — |
| Apr 20, 2026 | 1,220 | — |
| Apr 19, 2026 | 1,350 | — |
| Apr 18, 2026 | 1,570 | — |
| Apr 17, 2026 | 2,040 | — |
| Apr 16, 2026 | 2,280 | — |
| Apr 15, 2026 | 1,070 | — |
| Apr 14, 2026 | 1,050 | — |
| Apr 13, 2026 | 1,170 | — |
| Apr 12, 2026 | 1,320 | — |
| Apr 11, 2026 | 1,480 | — |
| Apr 10, 2026 | 1,510 | — |
| Apr 9, 2026 | 1,460 | — |
| Apr 8, 2026 | 1,750 | — |
| Apr 7, 2026 | 2,220 | — |
| Apr 6, 2026 | 3,030 | — |
| Apr 5, 2026 | 4,990 | — |
Station Information
- USGS Site No
- 05471000
- State
- IA
- County
- Story County
- Coordinates
- 42.0082, -93.5960
- Drainage Area
- 556 mi²
- Datum (ft)
- 857.9
- HUC Code
- 07080105
Flood Stage Thresholds
- Action Stage
- 19.0 ft
- Flood Stage
- 21.5 ft
- Moderate Flood
- 23.5 ft
- Major Flood
- 24.5 ft
Currently 10.06 ft below flood stage.
Recent Extremes
- Max discharge
-
6,970 cfsApr 4, 2026
- Min discharge
-
59 cfsNov 30, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Ioway Creek at Ames, IANormal2.0 mi · 176 cfs
-
South Skunk River Near Ames, IANormal4.2 mi · 265 cfs
-
Fourmile Creek Near Ankeny, IA Ds1Normal20.1 mi · 50 cfs
-
Indian Creek Near Mingo, IANormal20.3 mi · 256 cfs
-
Des Moines River Near Saylorville, IANormal23.0 mi · 5,400 cfs