USGS Streamgage 09403043
Hermit Creek above Tonto Trail near Grand Canyon, AZ
Hermit Creek above Tonto Trail near Grand Canyon, AZ is USGS streamgage 09403043 in Arizona, monitoring river discharge in hydrologic subbasin 15010002. Discharge records at this site go back to 1994. Typical flow runs near 0.7 cfs in July and 0.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Gauge elevation
- 2,920 ft
- Subbasin (HUC-8)
- 15010002
- Coordinates
- 36.08082, -112.21378
- USGS site number
- 09403043
- Records begin
- 1994-10-02 (32 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 31 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 | 0.6 | 0.7 | 1 | |
| February | 0.6 | 0.8 | 1 | |
| March | 0.6 | 0.8 | 1 | |
| April | 0.7 | 0.8 | 0.9 | |
| May | 0.6 | 0.8 | 0.9 | |
| June | 0.6 | 0.7 | 0.9 | |
| July | 0.6 | 0.7 | 0.9 | |
| August | 0.6 | 0.7 | 0.9 | |
| September | 0.6 | 0.7 | 0.9 | |
| October | 0.5 | 0.7 | 0.9 | |
| November | 0.5 | 0.7 | 0.9 | |
| December | 0.6 | 0.7 | 0.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Hermit Creek above Tonto Trail near Grand Canyon, AZ normally run highest?
- February, on the long-term record. The median daily flow that month is about 0.8 cfs, against 0.7 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Hermit Creek above Tonto Trail near Grand Canyon, AZ?
- It depends on the month. In January, half of days historically fall near 0.7 cfs, with the middle 80% of days between 0.6 and 1 cfs. The month-by-month table on this page gives the full range.
- How long has Hermit Creek above Tonto Trail near Grand Canyon, AZ been measured?
- Discharge records at USGS site 09403043 begin in 1994, about 32 years, covering roughly 2,734 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Hermit Creek above Tonto Trail near Grand Canyon, AZ?
- The gauge sits at 36.08082, -112.21378, in Arizona, in hydrologic subbasin 15010002, at an elevation of about 2,920 feet.
- Can I use Hermit Creek above Tonto Trail near Grand Canyon, 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.