USGS Streamgage 09503000
Granite Creek near Prescott, AZ
Granite Creek near Prescott, AZ is USGS streamgage 09503000 in Arizona, monitoring river discharge in hydrologic subbasin 15060202. It drains a watershed of about 36 square miles. Discharge records at this site go back to 1932. Typical flow runs near 0.1 cfs in July and 2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Drainage area
- 36 sq mi
- Gauge elevation
- 5,204 ft
- Subbasin (HUC-8)
- 15060202
- Coordinates
- 34.56308, -112.44489
- USGS site number
- 09503000
- Records begin
- 1932-07-01 (94 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 94 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 | 0 | 1 | 26.2 | |
| February | 0.3 | 4 | 43.8 | |
| March | 0.2 | 5.9 | 61.4 | |
| April | 0.1 | 2 | 13.1 | |
| May | 0 | 0.3 | 2.8 | |
| June | 0 | 0 | 0.6 | |
| July | 0 | 0.1 | 8.6 | |
| August | 0 | 0.4 | 16 | |
| September | 0 | 0.2 | 8.2 | |
| October | 0 | 0.1 | 2.1 | |
| November | 0 | 0.2 | 3.1 | |
| December | 0 | 0.5 | 10.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Granite Creek near Prescott, AZ normally run highest?
- March, on the long-term record. The median daily flow that month is about 5.9 cfs, against 0 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 Granite Creek near Prescott, AZ?
- It depends on the month. In January, half of days historically fall near 1 cfs, with the middle 80% of days between 0 and 26.2 cfs. The month-by-month table on this page gives the full range.
- How long has Granite Creek near Prescott, AZ been measured?
- Discharge records at USGS site 09503000 begin in 1932, about 94 years, covering roughly 9,123 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Granite Creek near Prescott, AZ?
- The gauge sits at 34.56308, -112.44489, in Arizona, in hydrologic subbasin 15060202, at an elevation of about 5,204 feet, draining roughly 36 square miles.
- Can I use Granite Creek near Prescott, 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 subbasin
- Granite Creek below Watson Lake near Prescott, AZ
- Verde River near Paulden, AZ
- Sycamore Creek above Verde Rvr, near Clarkdale, AZ
- Verde River near Clarkdale, AZ
- West Fork Oak Creek near Sedona, AZ
- Oak Creek at Slide Rock below SR 89A near Sedona, AZ
- Oak Creek near Sedona, AZ
- Oak Creek near Cornville, AZ