USGS Streamgage 06921070
Pomme de Terre River near Polk, MO
Pomme de Terre River near Polk, MO is USGS streamgage 06921070, monitoring river discharge in hydrologic subbasin 10290107. It drains a watershed of about 276 square miles. Discharge records at this site go back to 1968. Typical flow runs near 30.7 cfs in July and 230.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 276 sq mi
- Gauge elevation
- 912 ft
- Subbasin (HUC-8)
- 10290107
- Coordinates
- 37.68267, -93.37033
- USGS site number
- 06921070
- Records begin
- 1968-10-01 (58 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 58 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 | 19.4 | 112.3 | 603.9 | |
| February | 39.8 | 156.3 | 700.5 | |
| March | 61.5 | 240.2 | 1,138.4 | |
| April | 67.1 | 230.8 | 1,129.8 | |
| May | 45.5 | 191.7 | 1,161.5 | |
| June | 19.3 | 83.5 | 539.6 | |
| July | 9.7 | 30.7 | 240.9 | |
| August | 5.4 | 16.2 | 103.1 | |
| September | 4.9 | 14.8 | 163.3 | |
| October | 6.8 | 23.5 | 233.8 | |
| November | 12.7 | 57 | 525.8 | |
| December | 14.1 | 103.2 | 559.3 |
All values in cubic feet per second (cfs).