USGS Streamgage 09026500
St. Louis Creek near Fraser, CO
St. Louis Creek near Fraser, CO is USGS streamgage 09026500 in Colorado, monitoring river discharge in hydrologic subbasin 14010001. It drains a watershed of about 33 square miles. Discharge records at this site go back to 1934. Typical flow runs near 44.2 cfs in July and 8.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 33 sq mi
- Gauge elevation
- 8,985 ft
- Subbasin (HUC-8)
- 14010001
- Coordinates
- 39.91, -105.87778
- USGS site number
- 09026500
- Records begin
- 1934-08-01 (92 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 92 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 | 3.5 | 6.1 | 10 | |
| February | 3 | 5.7 | 8.9 | |
| March | 3.2 | 5.9 | 9 | |
| April | 4.7 | 8.1 | 14.2 | |
| May | 12.3 | 25.6 | 74 | |
| June | 24.3 | 106.5 | 228.1 | |
| July | 15.3 | 44.2 | 126.7 | |
| August | 11.2 | 17.2 | 40.1 | |
| September | 6.6 | 11.4 | 23.5 | |
| October | 5.2 | 8.9 | 19.5 | |
| November | 4.5 | 7.6 | 14.6 | |
| December | 3.7 | 6.6 | 11.3 |
All values in cubic feet per second (cfs).