USGS Streamgage 06921600
South Grand River at Urich, MO
South Grand River at Urich, MO is USGS streamgage 06921600, monitoring river discharge in hydrologic subbasin 10290108. It drains a watershed of about 670 square miles. Discharge records at this site go back to 1960. Typical flow runs near 66.3 cfs in July and 214.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 670 sq mi
- Gauge elevation
- 722 ft
- Subbasin (HUC-8)
- 10290108
- Coordinates
- 38.45224, -94.00439
- USGS site number
- 06921600
- Records begin
- 1960-10-01 (66 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 66 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 | 3.3 | 87.5 | 1,010.9 | |
| February | 5.7 | 101.5 | 897 | |
| March | 13.2 | 174 | 2,051.9 | |
| April | 34.2 | 214.8 | 2,631.8 | |
| May | 25.4 | 245.1 | 5,086.3 | |
| June | 18.8 | 134.4 | 3,595.3 | |
| July | 3.9 | 66.3 | 1,535.5 | |
| August | 0.5 | 21.1 | 565.9 | |
| September | 0.4 | 24.3 | 908.7 | |
| October | 0 | 25.4 | 1,077 | |
| November | 0.9 | 31.3 | 911.5 | |
| December | 2 | 46.4 | 1,136.3 |
All values in cubic feet per second (cfs).