Huron River at Ann Arbor, MI
USGS Site No: 04174500 • Huron River • Washtenaw County, MI
Huron River at Ann Arbor, MI on the Huron River is currently at 357 cfs (Normal — 65th percentile for this date) . Gage height: 12.46 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 | 115 | |
| 25th | Low threshold | 181 | |
| 50th (Median) | Normal (median) | 272 | |
| 75th | High threshold | 413 | Today: 357 cfs |
| 95th | Very High threshold | 690 |
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 | 459 | — |
| May 28, 2026 | 485 | — |
| May 27, 2026 | 512 | — |
| May 26, 2026 | 528 | — |
| May 25, 2026 | 556 | — |
| May 24, 2026 | 538 | — |
| May 23, 2026 | 523 | — |
| May 22, 2026 | 457 | — |
| May 21, 2026 | 461 | — |
| May 20, 2026 | 440 | — |
| May 19, 2026 | 422 | — |
| May 18, 2026 | 358 | — |
| May 17, 2026 | 330 | — |
| May 16, 2026 | 325 | — |
| May 15, 2026 | 375 | — |
| Apr 21, 2026 | 1,850 | — |
| Apr 20, 2026 | 1,880 | — |
| Apr 19, 2026 | 1,970 | — |
| Apr 18, 2026 | 1,890 | — |
| Apr 17, 2026 | 1,560 | — |
| Apr 16, 2026 | 1,420 | — |
| Apr 15, 2026 | 1,230 | — |
| Apr 14, 2026 | 892 | — |
| Apr 13, 2026 | 910 | — |
| Apr 12, 2026 | 926 | — |
| Apr 10, 2026 | 1,010 | — |
| Apr 9, 2026 | 1,010 | — |
| Apr 8, 2026 | 946 | — |
| Apr 7, 2026 | 1,160 | — |
| Apr 6, 2026 | 1,200 | — |
Station Information
- USGS Site No
- 04174500
- State
- MI
- County
- Washtenaw County
- Coordinates
- 42.2870, -83.7338
- Drainage Area
- 729 mi²
- Datum (ft)
- 744.4
- HUC Code
- 041000130309
Flood Stage Thresholds
- Action Stage
- 14.0 ft
- Flood Stage
- 16.0 ft
- Moderate Flood
- 17.0 ft
- Major Flood
- 18.0 ft
Currently 3.54 ft below flood stage.
Recent Extremes
- Max discharge
-
1,970 cfsApr 19, 2026
- Min discharge
-
93 cfsSep 20, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Allen Creek at Mouth at Ann Arbor, MILow0.7 mi · 2 cfs
-
Malletts Creek at Ann Arbor, MINormal2.8 mi · 4 cfs
-
Huron River at Zeeb Road at Scio, MINormal6.0 mi · 382 cfs
-
Mill Creek Near Dexter, MINormal8.5 mi · 38 cfs
-
Saline River at Austin Road Near Bridgewater, MIVery High10.4 mi · 19 cfs