USGS Streamgage 06899500
Thompson River at Trenton, MO
Thompson River at Trenton, MO is USGS streamgage 06899500, monitoring river discharge in hydrologic subbasin 10280102. It drains a watershed of about 1,720 square miles. Discharge records at this site go back to 1909. Typical flow runs near 234.6 cfs in July and 604.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 1,720 sq mi
- Gauge elevation
- 720 ft
- Subbasin (HUC-8)
- 10280102
- Coordinates
- 40.06931, -93.63803
- USGS site number
- 06899500
- Records begin
- 1909-07-06 (117 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 98 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 21.9 | 132.4 | 938.7 | |
| February | 31.2 | 306.8 | 2,352.8 | |
| March | 76.5 | 587.8 | 4,250.3 | |
| April | 122 | 604.7 | 4,632.7 | |
| May | 105.8 | 696.6 | 5,510.6 | |
| June | 70.3 | 512.3 | 5,043 | |
| July | 41.5 | 234.6 | 2,395.5 | |
| August | 35.1 | 132.8 | 1,171.3 | |
| September | 29 | 104.1 | 1,433.4 | |
| October | 21 | 91 | 1,255.4 | |
| November | 26.8 | 132.7 | 1,146.1 | |
| December | 22.8 | 134.9 | 1,094.1 |
All values in cubic feet per second (cfs).