Black River Near Annapolis, MO
USGS Site No: 07061500 • Black River • Reynolds County, MO
Black River Near Annapolis, MO on the Black River is currently at 339 cfs (High — 77th percentile for this date) . Gage height: 4.22 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 | 122 | |
| 25th | Low threshold | 144 | |
| 50th (Median) | Normal (median) | 185 | |
| 75th | High threshold | 262 | |
| 95th | Very High threshold | 927 | Today: 339 cfs |
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 | 262 | — |
| May 27, 2026 | 262 | — |
| May 26, 2026 | 265 | — |
| May 25, 2026 | 273 | — |
| May 24, 2026 | 292 | — |
| May 23, 2026 | 306 | — |
| May 22, 2026 | 309 | — |
| May 21, 2026 | 313 | — |
| May 20, 2026 | 318 | — |
| May 19, 2026 | 303 | — |
| May 18, 2026 | 288 | — |
| May 17, 2026 | 293 | — |
| May 16, 2026 | 298 | — |
| May 15, 2026 | 302 | — |
| Apr 20, 2026 | 1,200 | — |
| Apr 19, 2026 | 2,760 | — |
| Apr 18, 2026 | 3,400 | — |
| Apr 17, 2026 | 874 | — |
| Apr 16, 2026 | 461 | — |
| Apr 15, 2026 | 224 | — |
| Apr 14, 2026 | 235 | — |
| Apr 13, 2026 | 250 | — |
| Apr 12, 2026 | 261 | — |
| Apr 11, 2026 | 274 | — |
| Apr 10, 2026 | 285 | — |
| Apr 9, 2026 | 295 | — |
| Apr 8, 2026 | 322 | — |
| Apr 7, 2026 | 366 | — |
| Apr 6, 2026 | 409 | — |
| Apr 5, 2026 | 463 | — |
Station Information
- USGS Site No
- 07061500
- State
- MO
- County
- Reynolds County
- Coordinates
- 37.3381, -90.7888
- Drainage Area
- 484 mi²
- Datum (ft)
- 569.7
- HUC Code
- 11010007
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 15.0 ft
- Major Flood
- 25.0 ft
Currently 3.78 ft below flood stage.
Recent Extremes
- Max discharge
-
5,500 cfsMar 5, 2026
- Min discharge
-
131 cfsSep 13, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
East. Fork. Black River. below Lower Taum Sauk ReservoirNormal11.1 mi · 22 cfs
-
Logan Creek at Ellington, MOHigh11.6 mi · 6 cfs
-
East Fork Black River Near Lesterville, MONormal15.1 mi · 8 cfs
-
Big Creek at Sam at Baker State Park, MONormal16.4 mi · 76 cfs
-
St. Francis River Near Saco, MONormal17.6 mi · 100 cfs