USGS Streamgage 09492400
East Fork White River near Fort Apache, AZ
East Fork White River near Fort Apache, AZ is USGS streamgage 09492400 in Arizona, monitoring river discharge in hydrologic subbasin 15060102. It drains a watershed of about 39 square miles. Discharge records at this site go back to 1957. Typical flow runs near 12.5 cfs in July and 64.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Drainage area
- 39 sq mi
- Gauge elevation
- 6,050 ft
- Subbasin (HUC-8)
- 15060102
- Coordinates
- 33.82227, -109.81454
- USGS site number
- 09492400
- Records begin
- 1957-08-01 (69 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 69 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 | 7.4 | 12 | 25.6 | |
| February | 7.9 | 15.6 | 39.4 | |
| March | 10.2 | 30.8 | 73.7 | |
| April | 18.7 | 64.1 | 145.6 | |
| May | 12.2 | 68 | 186.4 | |
| June | 6.3 | 18.3 | 79.9 | |
| July | 7 | 12.5 | 33.1 | |
| August | 9 | 19.6 | 53.8 | |
| September | 7.6 | 16.7 | 40.2 | |
| October | 7.1 | 12.1 | 33.5 | |
| November | 7.4 | 11.3 | 25.9 | |
| December | 7.2 | 11.5 | 24.8 |
All values in cubic feet per second (cfs).
Common questions
- When does East Fork White River near Fort Apache, AZ normally run highest?
- May, on the long-term record. The median daily flow that month is about 68 cfs, against 11.3 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for East Fork White River near Fort Apache, AZ?
- It depends on the month. In January, half of days historically fall near 12 cfs, with the middle 80% of days between 7.4 and 25.6 cfs. The month-by-month table on this page gives the full range.
- How long has East Fork White River near Fort Apache, AZ been measured?
- Discharge records at USGS site 09492400 begin in 1957, about 69 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is East Fork White River near Fort Apache, AZ?
- The gauge sits at 33.82227, -109.81454, in Arizona, in hydrologic subbasin 15060102, at an elevation of about 6,050 feet, draining roughly 39 square miles.
- Can I use East Fork White River near Fort Apache, AZ 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.