USGS Streamgage 06866500
Smoky Hill River near Mentor, KS
Smoky Hill River near Mentor, KS is USGS streamgage 06866500, monitoring river discharge in hydrologic subbasin 10260008. It drains a watershed of about 8,341 square miles. Discharge records at this site go back to 1903. Typical flow runs near 176.8 cfs in July and 108.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 8,341 sq mi
- Gauge elevation
- 1,270 ft
- Subbasin (HUC-8)
- 10260008
- Coordinates
- 38.71112, -97.5717
- USGS site number
- 06866500
- Records begin
- 1903-05-29 (123 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 102 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 | 24.6 | 78.7 | 274 | |
| February | 29.7 | 85 | 397.2 | |
| March | 28.3 | 96.4 | 668.7 | |
| April | 34.1 | 108.6 | 1,016.8 | |
| May | 33 | 159.1 | 1,454.8 | |
| June | 51.2 | 266.8 | 2,035 | |
| July | 34.9 | 176.8 | 1,533.9 | |
| August | 33.7 | 146.8 | 1,446.2 | |
| September | 38.8 | 159.9 | 1,062.7 | |
| October | 29.5 | 106.4 | 779.8 | |
| November | 30.4 | 95.3 | 419.7 | |
| December | 28.4 | 87.2 | 379 |
All values in cubic feet per second (cfs).