USGS Streamgage 06862500
Smoky Hill River near Ellis, KS
Smoky Hill River near Ellis, KS is USGS streamgage 06862500, monitoring river discharge in hydrologic subbasin 10260006. It drains a watershed of about 5,630 square miles. Discharge records at this site go back to 1941. Typical flow runs near 57.9 cfs in July and 28.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 5,630 sq mi
- Gauge elevation
- 2,008 ft
- Subbasin (HUC-8)
- 10260006
- Coordinates
- 38.76863, -99.56004
- USGS site number
- 06862500
- Records begin
- 1941-12-17 (85 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 72 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 | 1.7 | 8.5 | 67.8 | |
| February | 2.1 | 25.1 | 376.7 | |
| March | 5.6 | 29.8 | 273.9 | |
| April | 3.8 | 28.6 | 542 | |
| May | 4 | 62.4 | 806.4 | |
| June | 5 | 83.7 | 1,300.4 | |
| July | 4.9 | 57.9 | 1,564.6 | |
| August | 1.7 | 40.8 | 1,803.9 | |
| September | 1.4 | 19.4 | 712.5 | |
| October | 1 | 13.6 | 1,184.6 | |
| November | 1.8 | 9.3 | 145.6 | |
| December | 0.7 | 10.3 | 60.4 |
All values in cubic feet per second (cfs).