Pecatonica River near Shirland, Ill
USGS Site No: 05437050 • Pecatonica River • Winnebago County, IL
Pecatonica River near Shirland, Ill on the Pecatonica River is currently at 1,380 cfs (Normal — 39th percentile for this date) . Gage height: 5.43 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 | 797 | |
| 25th | Low threshold | 1,100 | |
| 50th (Median) | Normal (median) | 1,590 | Today: 1,380 cfs |
| 75th | High threshold | 2,460 | |
| 95th | Very High threshold | 5,630 |
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 | 1,420 | 5.53 |
| May 27, 2026 | 1,450 | 5.61 |
| May 26, 2026 | 1,500 | 5.73 |
| May 25, 2026 | 1,560 | 5.87 |
| May 24, 2026 | 1,620 | 6.00 |
| May 23, 2026 | 1,680 | 6.13 |
| May 22, 2026 | 1,740 | 6.25 |
| May 21, 2026 | 1,760 | 6.31 |
| May 20, 2026 | 1,760 | 6.30 |
| May 19, 2026 | 1,750 | 6.28 |
| May 18, 2026 | 1,770 | 6.33 |
| May 17, 2026 | 1,800 | 6.39 |
| May 16, 2026 | 1,810 | 6.41 |
| May 15, 2026 | 1,840 | 6.47 |
| Apr 20, 2026 | 10,100 | 14.06 |
| Apr 19, 2026 | 9,660 | 13.80 |
| Apr 18, 2026 | 8,170 | 12.95 |
| Apr 17, 2026 | 6,460 | 11.81 |
| Apr 16, 2026 | 5,390 | 10.94 |
| Apr 15, 2026 | 3,710 | 9.05 |
| Apr 14, 2026 | 2,640 | 7.52 |
| Apr 13, 2026 | 2,600 | 7.46 |
| Apr 12, 2026 | 2,640 | 7.51 |
| Apr 11, 2026 | 2,590 | 7.44 |
| Apr 10, 2026 | 2,400 | 7.12 |
| Apr 9, 2026 | 2,390 | 7.09 |
| Apr 8, 2026 | 2,630 | 7.50 |
| Apr 7, 2026 | 2,790 | 7.77 |
| Apr 6, 2026 | 2,700 | 7.62 |
| Apr 5, 2026 | 2,390 | 7.09 |
Station Information
- USGS Site No
- 05437050
- State
- IL
- County
- Winnebago County
- Coordinates
- 42.4381, -89.1750
- Drainage Area
- 2,556 mi²
- Datum (ft)
- 711.6
- HUC Code
- 07090003
Flood Stage Thresholds
- Action Stage
- 11.0 ft
- Flood Stage
- 12.0 ft
- Moderate Flood
- 14.0 ft
- Major Flood
- 15.5 ft
Currently 6.57 ft below flood stage.
Recent Extremes
- Max discharge
-
10,100 cfsApr 20, 2026
- Min discharge
-
926 cfsDec 3, 2025
- Days at flood stage
- 3
Computed from the local daily-values archive.
Nearby Gauges
-
Rock River at Rockton, ILNormal5.3 mi · 4,690 cfs
-
Kishwaukee River Near Perryville, ILNormal19.1 mi · 570 cfs
-
Kishwaukee River at Belvidere, ILNormal20.3 mi · 233 cfs
-
Rock River at Byron, ILNormal22.2 mi · 5,540 cfs
-
Pecatonica River at Freeport, ILNormal24.4 mi · 769 cfs