USGS Streamgage 06935450
Missouri River at Washington, MO
Missouri River at Washington, MO is USGS streamgage 06935450, monitoring river discharge in hydrologic subbasin 10300200. It drains a watershed of about 523,200 square miles. Discharge records at this site go back to 2008. Typical flow runs near 114,625.8 cfs in July and 93,366.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 523,200 sq mi
- Gauge elevation
- 483 ft
- Subbasin (HUC-8)
- 10300200
- Coordinates
- 38.55972, -91.0075
- USGS site number
- 06935450
- Records begin
- 2008-09-04 (18 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 12 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 | 30,587.1 | 46,861.3 | 163,806.5 | |
| February | 34,889.3 | 58,724.1 | 130,714.3 | |
| March | 40,819.4 | 69,725.8 | 212,387.1 | |
| April | 55,210 | 93,366.7 | 213,633.3 | |
| May | 57,380.6 | 140,806.5 | 311,096.8 | |
| June | 53,350 | 129,900 | 334,300 | |
| July | 51,941.9 | 114,625.8 | 253,903.2 | |
| August | 49,571 | 74,732.3 | 184,871 | |
| September | 42,016.7 | 56,663.3 | 177,100 | |
| October | 41,251.6 | 53,800 | 206,290.3 | |
| November | 42,133.3 | 56,010 | 149,966.7 | |
| December | 31,690.3 | 47,958.1 | 206,548.4 |
All values in cubic feet per second (cfs).