USGS Streamgage 09504500
Oak Creek near Cornville, AZ
Oak Creek near Cornville, AZ is USGS streamgage 09504500 in Arizona, monitoring river discharge in hydrologic subbasin 15060202. It drains a watershed of about 355 square miles. Discharge records at this site go back to 1938. Typical flow runs near 20.4 cfs in July and 39.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Drainage area
- 355 sq mi
- Gauge elevation
- 3,470 ft
- Subbasin (HUC-8)
- 15060202
- Coordinates
- 34.76446, -111.89099
- USGS site number
- 09504500
- Records begin
- 1938-03-03 (88 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 | 34.1 | 40.5 | 157.9 | |
| February | 33.8 | 51.2 | 337.1 | |
| March | 33.3 | 90.4 | 566 | |
| April | 27.8 | 39.2 | 365.8 | |
| May | 20.3 | 25.5 | 41.2 | |
| June | 15.3 | 19.5 | 26 | |
| July | 14.9 | 20.4 | 35.4 | |
| August | 17.4 | 23.9 | 50.4 | |
| September | 19.2 | 25.1 | 45.9 | |
| October | 22.9 | 28.1 | 42.6 | |
| November | 28.9 | 34 | 50.5 | |
| December | 32.6 | 37.6 | 96.3 |
All values in cubic feet per second (cfs).
Common questions
- When does Oak Creek near Cornville, AZ normally run highest?
- March, on the long-term record. The median daily flow that month is about 90.4 cfs, against 19.5 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 Oak Creek near Cornville, AZ?
- It depends on the month. In January, half of days historically fall near 40.5 cfs, with the middle 80% of days between 34.1 and 157.9 cfs. The month-by-month table on this page gives the full range.
- How long has Oak Creek near Cornville, AZ been measured?
- Discharge records at USGS site 09504500 begin in 1938, about 88 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 Oak Creek near Cornville, AZ?
- The gauge sits at 34.76446, -111.89099, in Arizona, in hydrologic subbasin 15060202, at an elevation of about 3,470 feet, draining roughly 355 square miles.
- Can I use Oak Creek near Cornville, 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.