Green River Near Geneseo, IL
USGS Site No: 05447500 • Green River • Henry County, IL
Green River Near Geneseo, IL on the Green River is currently at 448 cfs (Normal — 32th percentile for this date) . Gage height: 3.40 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 | 234 | |
| 25th | Low threshold | 367 | |
| 50th (Median) | Normal (median) | 671 | Today: 448 cfs |
| 75th | High threshold | 1,180 | |
| 95th | Very High threshold | 3,930 |
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 | 465 | 3.46 |
| May 27, 2026 | 486 | 3.54 |
| May 26, 2026 | 512 | 3.64 |
| May 25, 2026 | 521 | 3.68 |
| May 24, 2026 | 507 | 3.62 |
| May 23, 2026 | 495 | 3.58 |
| May 22, 2026 | 498 | 3.59 |
| May 21, 2026 | 507 | 3.62 |
| May 20, 2026 | 528 | 3.70 |
| May 19, 2026 | 543 | 3.76 |
| May 18, 2026 | 556 | 3.80 |
| May 17, 2026 | 571 | 3.86 |
| May 16, 2026 | 587 | 3.92 |
| May 15, 2026 | 582 | 3.90 |
| Apr 20, 2026 | 3,010 | 9.46 |
| Apr 19, 2026 | 3,900 | 10.91 |
| Apr 18, 2026 | 3,880 | 10.87 |
| Apr 17, 2026 | 3,160 | 9.72 |
| Apr 16, 2026 | 2,480 | 8.51 |
| Apr 15, 2026 | 1,380 | 6.27 |
| Apr 14, 2026 | 1,210 | 5.89 |
| Apr 13, 2026 | 1,240 | 5.96 |
| Apr 12, 2026 | 1,330 | 6.17 |
| Apr 11, 2026 | 1,430 | 6.41 |
| Apr 10, 2026 | 1,440 | 6.41 |
| Apr 9, 2026 | 1,520 | 6.60 |
| Apr 8, 2026 | 1,880 | 7.35 |
| Apr 7, 2026 | 2,510 | 8.57 |
| Apr 6, 2026 | 3,390 | 10.10 |
| Apr 5, 2026 | 4,460 | 11.76 |
Station Information
- USGS Site No
- 05447500
- State
- IL
- County
- Henry County
- Coordinates
- 41.4889, -90.1580
- Drainage Area
- 1,003 mi²
- Datum (ft)
- 577.7
- HUC Code
- 07090007
Flood Stage Thresholds
- Action Stage
- 14.0 ft
- Flood Stage
- 15.0 ft
- Moderate Flood
- 16.5 ft
- Major Flood
- 18.0 ft
Currently 11.60 ft below flood stage.
Recent Extremes
- Max discharge
-
4,460 cfsApr 5, 2026
- Min discharge
-
66 cfsOct 5, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Rock River Near Joslin, ILNormal4.9 mi · 6,680 cfs
-
Crow Creek at Bettendorf, IALow16.0 mi · 5 cfs
-
Mississippi River at Clinton, IANormal20.7 mi · 49,000 cfs
-
Mill Creek at Milan, ILNormal20.8 mi · 18 cfs
-
Beaver Slough at 3rd Street at Clinton, IAUnknown23.4 mi · 0 cfs