USGS Streamgage 09404115
Havasu Creek above the Mouth, near Supai, AZ
Havasu Creek above the Mouth, near Supai, AZ is USGS streamgage 09404115 in Arizona, monitoring river discharge in hydrologic subbasin 15010002. It drains a watershed of about 3,020 square miles. Discharge records at this site go back to 1994. Typical flow runs near 70.6 cfs in July and 70.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Arizona
- Drainage area
- 3,020 sq mi
- Gauge elevation
- 1,800 ft
- Subbasin (HUC-8)
- 15010002
- Coordinates
- 36.30582, -112.7613
- USGS site number
- 09404115
- Records begin
- 1994-10-01 (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 | 66.9 | 70.8 | 76.1 | |
| February | 67.3 | 70.9 | 76.3 | |
| March | 68.2 | 71.1 | 76 | |
| April | 66.9 | 70.3 | 74.6 | |
| May | 66.5 | 69.7 | 74 | |
| June | 65.2 | 69.8 | 73.5 | |
| July | 65.3 | 70.6 | 89.4 | |
| August | 66.8 | 71.2 | 102.3 | |
| September | 67.2 | 70.7 | 88.6 | |
| October | 67.3 | 70.2 | 78.3 | |
| November | 67.6 | 70.6 | 77.3 | |
| December | 67.6 | 70.4 | 77 |
All values in cubic feet per second (cfs).
Common questions
- When does Havasu Creek above the Mouth, near Supai, AZ normally run highest?
- August, on the long-term record. The median daily flow that month is about 71.2 cfs, against 69.7 cfs in May, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Havasu Creek above the Mouth, near Supai, AZ?
- It depends on the month. In January, half of days historically fall near 70.8 cfs, with the middle 80% of days between 66.9 and 76.1 cfs. The month-by-month table on this page gives the full range.
- How long has Havasu Creek above the Mouth, near Supai, AZ been measured?
- Discharge records at USGS site 09404115 begin in 1994, about 32 years, covering roughly 8,177 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Havasu Creek above the Mouth, near Supai, AZ?
- The gauge sits at 36.30582, -112.7613, in Arizona, in hydrologic subbasin 15010002, at an elevation of about 1,800 feet, draining roughly 3,020 square miles.
- Can I use Havasu Creek above the Mouth, near Supai, 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.