Rivermatics

USGS Streamgage 09502960

Granite Creek at Prescott, AZ

Granite Creek at Prescott, AZ is USGS streamgage 09502960 in Arizona, monitoring river discharge in hydrologic subbasin 15060202. It drains a watershed of about 30 square miles. Discharge records at this site go back to 1994. Typical flow runs near 0.1 cfs in July and 1.6 cfs in April, with the higher of the two arriving in April.

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Gauge details

State
Arizona
Drainage area
30 sq mi
Gauge elevation
5,285 ft
Subbasin (HUC-8)
15060202
Coordinates
34.55197, -112.46239
USGS site number
09502960
Records begin
1994-11-16 (32 years)

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 32 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 0.1 1.2 28.8
February 0.2 2.9 46.9
March 0.3 4.6 54.6
April 0.2 1.6 7.7
May 0 0.2 2.5
June 0 0 0.5
July 0 0.1 13.1
August 0 0.2 21
September 0 0.1 8.1
October 0 0 1.8
November 0 0.1 2.9
December 0.1 0.4 13.7

All values in cubic feet per second (cfs).

Common questions

When does Granite Creek at Prescott, AZ normally run highest?
March, on the long-term record. The median daily flow that month is about 4.6 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 at Prescott, AZ?
It depends on the month. In January, half of days historically fall near 1.2 cfs, with the middle 80% of days between 0.1 and 28.8 cfs. The month-by-month table on this page gives the full range.
How long has Granite Creek at Prescott, AZ been measured?
Discharge records at USGS site 09502960 begin in 1994, about 32 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 Granite Creek at Prescott, AZ?
The gauge sits at 34.55197, -112.46239, in Arizona, in hydrologic subbasin 15060202, at an elevation of about 5,285 feet, draining roughly 30 square miles.
Can I use Granite Creek at 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