Au Gres River at South Mackinaw Road near Au Gres, MI
USGS Site No: 04138536 • Au Gres River • Arenac County, MI
Au Gres River at South Mackinaw Road near Au Gres, MI on the Au Gres River is currently at 60 cfs (Very High — 45th percentile for this date) . Gage height: 5.69 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 | 0 | |
| 25th | Low threshold | 0 | |
| 50th (Median) | Normal (median) | 75 | Today: 60 cfs |
| 75th | High threshold | 0 | |
| 95th | Very High threshold | 0 |
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 | 62 | — |
| May 28, 2026 | 65 | — |
| May 27, 2026 | 76 | — |
| May 26, 2026 | 91 | — |
| May 25, 2026 | 107 | — |
| May 24, 2026 | 74 | — |
| May 23, 2026 | 68 | — |
| May 22, 2026 | 71 | — |
| May 21, 2026 | 78 | — |
| May 20, 2026 | 90 | — |
| May 19, 2026 | 96 | — |
| May 18, 2026 | 90 | — |
| May 17, 2026 | 98 | — |
| May 16, 2026 | 106 | — |
| May 15, 2026 | 117 | — |
| Apr 21, 2026 | 630 | — |
| Apr 20, 2026 | 813 | — |
| Apr 19, 2026 | 1,160 | — |
| Apr 18, 2026 | 1,710 | — |
| Apr 17, 2026 | 2,040 | — |
| Apr 16, 2026 | 2,160 | — |
| Apr 15, 2026 | 2,110 | — |
| Apr 14, 2026 | 1,910 | — |
| Apr 13, 2026 | 1,600 | — |
| Apr 12, 2026 | 889 | — |
| Apr 11, 2026 | 820 | — |
| Apr 10, 2026 | 611 | — |
| Apr 9, 2026 | 543 | — |
| Apr 8, 2026 | 707 | — |
| Apr 7, 2026 | 1,010 | — |
Station Information
- USGS Site No
- 04138536
- State
- MI
- County
- Arenac County
- Coordinates
- 44.0802, -83.6859
- Drainage Area
- 224 mi²
- Datum (ft)
- 579.1
- HUC Code
- 04080101
Recent Extremes
- Max discharge
-
2,160 cfsApr 16, 2026
- Min discharge
-
21 cfsSep 17, 2025
Computed from the local daily-values archive.
Nearby Gauges
- Very High
-
Pine River at Pine River Road near Standish, MIUnknown11.1 mi · -28 cfs
-
Rifle River Near Sterling, MINormal16.6 mi · 265 cfs
-
Pigeon River at Limerick Road Near Caseville, MINormal24.7 mi · 24 cfs
-
Au Sable River Near Au Sable, MINormal27.6 mi · 1,510 cfs