USGS Streamgage 10172870
Trout Creek near Callao, UT
Trout Creek near Callao, UT is USGS streamgage 10172870 in Utah, monitoring river discharge in hydrologic subbasin 16020306. It drains a watershed of about 8 square miles. Discharge records at this site go back to 1958. Typical flow runs near 3.3 cfs in July and 4.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Utah
- Drainage area
- 8 sq mi
- Gauge elevation
- 6,332 ft
- Subbasin (HUC-8)
- 16020306
- Coordinates
- 39.74411, -113.88999
- USGS site number
- 10172870
- Records begin
- 1958-12-01 (68 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 68 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 | 1.5 | 2.1 | |
| February | 1.1 | 1.5 | 2.1 | |
| March | 1.3 | 1.9 | 3.3 | |
| April | 1.9 | 4.1 | 9 | |
| May | 4.6 | 12.5 | 32 | |
| June | 3.7 | 12.1 | 44.5 | |
| July | 1.8 | 3.3 | 11.4 | |
| August | 1.1 | 1.9 | 4 | |
| September | 1 | 1.6 | 2.7 | |
| October | 1.2 | 1.8 | 2.7 | |
| November | 1.2 | 1.8 | 2.7 | |
| December | 1.1 | 1.6 | 2.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Trout Creek near Callao, UT normally run highest?
- May, on the long-term record. The median daily flow that month is about 12.5 cfs, against 1.5 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Trout Creek near Callao, UT?
- It depends on the month. In January, half of days historically fall near 1.5 cfs, with the middle 80% of days between 1 and 2.1 cfs. The month-by-month table on this page gives the full range.
- How long has Trout Creek near Callao, UT been measured?
- Discharge records at USGS site 10172870 begin in 1958, about 68 years, covering roughly 8,769 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Trout Creek near Callao, UT?
- The gauge sits at 39.74411, -113.88999, in Utah, in hydrologic subbasin 16020306, at an elevation of about 6,332 feet, draining roughly 8 square miles.
- Can I use Trout Creek near Callao, UT data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.