Little Cedar River Near Ionia, IA
USGS Site No: 05458000 • Little Cedar River • Chickasaw County, IA
Little Cedar River Near Ionia, IA on the Little Cedar River is currently at 467 cfs (High — 88th percentile for this date) . Gage height: 5.06 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 | 23 | |
| 25th | Low threshold | 36 | |
| 50th (Median) | Normal (median) | 61 | |
| 75th | High threshold | 149 | |
| 95th | Very High threshold | 639 | Today: 467 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 | 539 | — |
| May 27, 2026 | 130 | — |
| May 26, 2026 | 119 | — |
| May 25, 2026 | 124 | — |
| May 24, 2026 | 131 | — |
| May 23, 2026 | 138 | — |
| May 22, 2026 | 145 | — |
| May 21, 2026 | 154 | — |
| May 20, 2026 | 161 | — |
| May 19, 2026 | 139 | — |
| May 18, 2026 | 122 | — |
| May 17, 2026 | 115 | — |
| May 16, 2026 | 117 | — |
| May 15, 2026 | 113 | — |
| Apr 20, 2026 | 405 | — |
| Apr 19, 2026 | 455 | — |
| Apr 18, 2026 | 517 | — |
| Apr 17, 2026 | 590 | — |
| Apr 16, 2026 | 643 | — |
| Apr 15, 2026 | 574 | — |
| Apr 14, 2026 | 469 | — |
| Apr 13, 2026 | 442 | — |
| Apr 12, 2026 | 455 | — |
| Apr 11, 2026 | 483 | — |
| Apr 10, 2026 | 551 | — |
| Apr 9, 2026 | 640 | — |
| Apr 8, 2026 | 772 | — |
| Apr 7, 2026 | 1,020 | — |
| Apr 6, 2026 | 1,450 | — |
| Apr 5, 2026 | 1,730 | — |
Station Information
- USGS Site No
- 05458000
- State
- IA
- County
- Chickasaw County
- Coordinates
- 43.0333, -92.5035
- Drainage Area
- 306 mi²
- Datum (ft)
- 973.3
- HUC Code
- 07080201
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 13.0 ft
- Major Flood
- 15.0 ft
Currently 4.94 ft below flood stage.
Recent Extremes
- Max discharge
-
2,980 cfsAug 18, 2025
- Min discharge
-
43 cfsFeb 20, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Cedar River at Charles City, IAHigh8.8 mi · 756 cfs
-
Wapsipinicon River Near Tripoli, IANormal18.5 mi · 138 cfs
-
Cedar River at Waverly, IAHigh20.5 mi · 1,540 cfs
-
Shell Rock River at Shell Rock, IAHigh22.6 mi · 1,650 cfs
-
Cedar River at Janesville, IAHigh26.7 mi · 1,570 cfs