USGS Streamgage 06813000
Tarkio River at Fairfax, MO
Tarkio River at Fairfax, MO is USGS streamgage 06813000, monitoring river discharge in hydrologic subbasin 10240005. It drains a watershed of about 508 square miles. Discharge records at this site go back to 1922. Typical flow runs near 127.2 cfs in July and 125.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 508 sq mi
- Gauge elevation
- 898 ft
- Subbasin (HUC-8)
- 10240005
- Coordinates
- 40.33942, -95.40683
- USGS site number
- 06813000
- Records begin
- 1922-03-08 (104 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 104 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 | 7.7 | 52.7 | 278.6 | |
| February | 14.4 | 84.4 | 454.9 | |
| March | 24.6 | 123.9 | 689 | |
| April | 19 | 125.5 | 622 | |
| May | 16.1 | 161.5 | 903.9 | |
| June | 17.4 | 206.7 | 1,218.4 | |
| July | 9.9 | 127.2 | 576.5 | |
| August | 6.6 | 67.5 | 358.1 | |
| September | 7 | 47.2 | 394.8 | |
| October | 7.4 | 46 | 374.6 | |
| November | 12 | 56.9 | 275.3 | |
| December | 10.2 | 53.7 | 265 |
All values in cubic feet per second (cfs).