Grand River at Jackson, MI
USGS Site No: 04109000 • Grand River • Jackson County, MI
Grand River at Jackson, MI on the Grand River is currently at 111 cfs (Normal — 74th percentile for this date) . Gage height: 9.54 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 | 39 | |
| 25th | Low threshold | 52 | |
| 50th (Median) | Normal (median) | 68 | |
| 75th | High threshold | 112 | Today: 111 cfs |
| 95th | Very High threshold | 253 |
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 29, 2026 | 114 | — |
| May 28, 2026 | 126 | — |
| May 27, 2026 | 169 | — |
| May 26, 2026 | 173 | — |
| May 25, 2026 | 169 | — |
| May 24, 2026 | 165 | — |
| May 23, 2026 | 161 | — |
| May 22, 2026 | 92 | — |
| May 21, 2026 | 95 | — |
| May 20, 2026 | 99 | — |
| May 19, 2026 | 104 | — |
| May 18, 2026 | 108 | — |
| May 17, 2026 | 86 | — |
| May 16, 2026 | 90 | — |
| May 15, 2026 | 92 | — |
| Apr 21, 2026 | 388 | — |
| Apr 20, 2026 | 404 | — |
| Apr 19, 2026 | 459 | — |
| Apr 18, 2026 | 493 | — |
| Apr 17, 2026 | 490 | — |
| Apr 16, 2026 | 523 | — |
| Apr 15, 2026 | 481 | — |
| Apr 14, 2026 | 230 | — |
| Apr 13, 2026 | 240 | — |
| Apr 12, 2026 | 246 | — |
| Apr 11, 2026 | 267 | — |
| Apr 10, 2026 | 308 | — |
| Apr 9, 2026 | 292 | — |
| Apr 8, 2026 | 267 | — |
| Apr 7, 2026 | 272 | — |
Station Information
- USGS Site No
- 04109000
- State
- MI
- County
- Jackson County
- Coordinates
- 42.2836, -84.4088
- Drainage Area
- 174 mi²
- Datum (ft)
- 899.6
- HUC Code
- 04050004
Flood Stage Thresholds
- Action Stage
- 13.0 ft
- Flood Stage
- 14.0 ft
- Moderate Flood
- 15.0 ft
- Major Flood
- 16.0 ft
Currently 4.46 ft below flood stage.
Recent Extremes
- Max discharge
-
523 cfsApr 16, 2026
- Min discharge
-
40 cfsOct 16, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
South.b. Kalamazoo River at Grover Road near Hanover, MIVery High17.1 mi · 5 cfs
-
River Raisin Near Manchester, MIVery Low18.8 mi · 23 cfs
-
Grand River Near Eaton Rapids, MIUnknown20.5 mi · 0 cfs
-
Sycamore Creek at Holt Road Near Holt, MINormal24.9 mi · 40 cfs
-
Mill Creek Near Dexter, MINormal26.1 mi · 38 cfs