USGS Streamgage 09115500
Tomichi Creek at Sargents, CO
Tomichi Creek at Sargents, CO is USGS streamgage 09115500 in Colorado, monitoring river discharge in hydrologic subbasin 14020003. It drains a watershed of about 148 square miles. Discharge records at this site go back to 1916. Typical flow runs near 51.4 cfs in July and 59.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Colorado
- Drainage area
- 148 sq mi
- Gauge elevation
- 8,416 ft
- Subbasin (HUC-8)
- 14020003
- Coordinates
- 38.39503, -106.42262
- USGS site number
- 09115500
- Records begin
- 1916-10-01 (110 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 110 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 | 15.1 | 20.5 | 28.8 | |
| February | 14.8 | 21.3 | 29.3 | |
| March | 17.7 | 27.2 | 43.3 | |
| April | 33.4 | 59.8 | 118.1 | |
| May | 77.4 | 179.4 | 346.9 | |
| June | 53.8 | 157.3 | 360 | |
| July | 23.3 | 51.4 | 108.3 | |
| August | 18.1 | 35.1 | 63.1 | |
| September | 16.1 | 27.4 | 42.8 | |
| October | 21.1 | 29.7 | 42.6 | |
| November | 20.6 | 27.9 | 36.1 | |
| December | 16.9 | 22.7 | 30.6 |
All values in cubic feet per second (cfs).