USGS Streamgage 09499000
Tonto Creek above Gun Creek, near Roosevelt, AZ
Tonto Creek above Gun Creek, near Roosevelt, AZ is USGS streamgage 09499000 in Arizona, monitoring river discharge in hydrologic subbasin 15060105. It drains a watershed of about 675 square miles. Discharge records at this site go back to 1940. Typical flow runs near 6.7 cfs in July and 53 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Drainage area
- 675 sq mi
- Gauge elevation
- 2,525 ft
- Subbasin (HUC-8)
- 15060105
- Coordinates
- 33.98005, -111.30348
- USGS site number
- 09499000
- Records begin
- 1940-12-21 (86 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 86 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 | 12.8 | 35.5 | 611.9 | |
| February | 13.6 | 65.4 | 777.2 | |
| March | 16.5 | 112.7 | 1,034.6 | |
| April | 12.5 | 53 | 337.4 | |
| May | 4 | 19.7 | 70.7 | |
| June | 0 | 6.1 | 25.3 | |
| July | 0 | 6.7 | 50.1 | |
| August | 0.2 | 16.7 | 126.3 | |
| September | 0.1 | 9.4 | 50.2 | |
| October | 0.1 | 9.5 | 44.7 | |
| November | 5.1 | 14.7 | 83.3 | |
| December | 10.2 | 22.9 | 298 |
All values in cubic feet per second (cfs).
Common questions
- When does Tonto Creek above Gun Creek, near Roosevelt, AZ normally run highest?
- March, on the long-term record. The median daily flow that month is about 112.7 cfs, against 6.1 cfs in June, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Tonto Creek above Gun Creek, near Roosevelt, AZ?
- It depends on the month. In January, half of days historically fall near 35.5 cfs, with the middle 80% of days between 12.8 and 611.9 cfs. The month-by-month table on this page gives the full range.
- How long has Tonto Creek above Gun Creek, near Roosevelt, AZ been measured?
- Discharge records at USGS site 09499000 begin in 1940, about 86 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 Tonto Creek above Gun Creek, near Roosevelt, AZ?
- The gauge sits at 33.98005, -111.30348, in Arizona, in hydrologic subbasin 15060105, at an elevation of about 2,525 feet, draining roughly 675 square miles.
- Can I use Tonto Creek above Gun Creek, near Roosevelt, 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.
Other gauges in this region
- Williamson Valley Wash near Paulden, AZ
- Centennial Wash at Southern Pacific Railroad Brdg
- Vamori Wash at Kom Vo, AZ
- West Turkey Creek near Sunizona, AZ
- Black Draw at San Bernardino Nwr near Douglas, AZ
- Show Low Creek near Lakeside, AZ
- Puerco River near Chambers, AZ
- Newman Canyon above Upper Lake Mary, AZ