Thompson River at Trenton, MO
USGS Site No: 06899500 • Thompson River • Grundy County, MO
Thompson River at Trenton, MO on the Thompson River is currently at 1,330 cfs (High — 85th percentile for this date) . Gage height: 12.26 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 | 21 | |
| 25th | Low threshold | 43 | |
| 50th (Median) | Normal (median) | 94 | |
| 75th | High threshold | 338 | |
| 95th | Very High threshold | 2,300 | Today: 1,330 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 | 1,460 | — |
| May 27, 2026 | 1,590 | — |
| May 26, 2026 | 1,750 | — |
| May 25, 2026 | 1,980 | — |
| May 24, 2026 | 2,280 | — |
| May 23, 2026 | 2,700 | — |
| May 22, 2026 | 3,440 | — |
| May 21, 2026 | 5,990 | — |
| May 20, 2026 | 13,400 | — |
| May 19, 2026 | 26,900 | — |
| May 18, 2026 | 18,300 | — |
| May 17, 2026 | 37,500 | — |
| May 16, 2026 | 2,210 | — |
| May 15, 2026 | 679 | — |
| Apr 20, 2026 | 1,520 | — |
| Apr 19, 2026 | 1,940 | — |
| Apr 18, 2026 | 2,750 | — |
| Apr 17, 2026 | 3,090 | — |
| Apr 16, 2026 | 2,800 | — |
| Apr 15, 2026 | 2,160 | — |
| Apr 14, 2026 | 2,910 | — |
| Apr 13, 2026 | 4,190 | — |
| Apr 12, 2026 | 6,490 | — |
| Apr 11, 2026 | 2,360 | — |
| Apr 10, 2026 | 1,250 | — |
| Apr 9, 2026 | 1,580 | — |
| Apr 8, 2026 | 1,760 | — |
| Apr 7, 2026 | 1,200 | — |
| Apr 6, 2026 | 1,590 | — |
| Apr 5, 2026 | 1,590 | — |
Station Information
- USGS Site No
- 06899500
- State
- MO
- County
- Grundy County
- Coordinates
- 40.0693, -93.6380
- Drainage Area
- 1,720 mi²
- Datum (ft)
- 710.3
- HUC Code
- 10280102
Flood Stage Thresholds
- Action Stage
- 24.0 ft
- Flood Stage
- 27.0 ft
- Moderate Flood
- 31.0 ft
- Major Flood
- 34.0 ft
Currently 14.74 ft below flood stage.
Recent Extremes
- Max discharge
-
37,500 cfsMay 17, 2026
- Min discharge
-
59 cfsFeb 13, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Medicine Creek Near Laredo, MOHigh11.1 mi · 146 cfs
-
Grand River Near Gallatin, MOHigh18.9 mi · 1,030 cfs
-
Locust Creek Near Linneus, MOHigh24.4 mi · 144 cfs
-
East Fork Big Creek Near Bethany, MOHigh25.8 mi · 18 cfs
-
Grand River Near Pattonsburg, MOVery High26.0 mi · 593 cfs