USGS Streamgage 10164500
American Fk Ab Upper Powerplant near American Fk, UT
American Fk Ab Upper Powerplant near American Fk, UT is USGS streamgage 10164500 in Utah, monitoring river discharge in hydrologic subbasin 16020201. It drains a watershed of about 51 square miles. Discharge records at this site go back to 1927. Typical flow runs near 74.5 cfs in July and 40.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Utah
- Drainage area
- 51 sq mi
- Gauge elevation
- 5,937 ft
- Subbasin (HUC-8)
- 16020201
- Coordinates
- 40.44773, -111.68215
- USGS site number
- 10164500
- Records begin
- 1927-01-01 (99 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 100 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 | 9.2 | 14.6 | 20.5 | |
| February | 9.2 | 14.1 | 19.7 | |
| March | 10.7 | 16.4 | 27.2 | |
| April | 19.1 | 40.5 | 96.3 | |
| May | 51.1 | 136.7 | 297.6 | |
| June | 61.5 | 170.3 | 343.2 | |
| July | 30.8 | 74.5 | 176.1 | |
| August | 15.7 | 33.8 | 73.5 | |
| September | 13.1 | 24 | 42.7 | |
| October | 12.5 | 20.7 | 33 | |
| November | 11.6 | 18.6 | 26.7 | |
| December | 10.1 | 16 | 23 |
All values in cubic feet per second (cfs).
Common questions
- When does American Fk Ab Upper Powerplant near American Fk, UT normally run highest?
- June, on the long-term record. The median daily flow that month is about 170.3 cfs, against 14.1 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for American Fk Ab Upper Powerplant near American Fk, UT?
- It depends on the month. In January, half of days historically fall near 14.6 cfs, with the middle 80% of days between 9.2 and 20.5 cfs. The month-by-month table on this page gives the full range.
- How long has American Fk Ab Upper Powerplant near American Fk, UT been measured?
- Discharge records at USGS site 10164500 begin in 1927, about 99 years, covering roughly 7,056 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is American Fk Ab Upper Powerplant near American Fk, UT?
- The gauge sits at 40.44773, -111.68215, in Utah, in hydrologic subbasin 16020201, at an elevation of about 5,937 feet, draining roughly 51 square miles.
- Can I use American Fk Ab Upper Powerplant near American Fk, 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.