USGS Streamgage 09402000
Little Colorado River near Cameron, AZ
Little Colorado River near Cameron, AZ is USGS streamgage 09402000 in Arizona, monitoring river discharge in hydrologic subbasin 15020016. It drains a watershed of about 26,459 square miles. Discharge records at this site go back to 1923. Typical flow runs near 6.4 cfs in July and 86.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Arizona
- Drainage area
- 26,459 sq mi
- Gauge elevation
- 3,979 ft
- Subbasin (HUC-8)
- 15020016
- Coordinates
- 35.92638, -111.56737
- USGS site number
- 09402000
- Records begin
- 1923-09-20 (103 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 79 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 | 2.8 | 332.7 | |
| February | 0 | 14.6 | 741.9 | |
| March | 0 | 128 | 1,369.4 | |
| April | 0 | 86.7 | 1,479.8 | |
| May | 0 | 0.1 | 205.8 | |
| June | 0 | 0 | 1.6 | |
| July | 0 | 6.4 | 387.5 | |
| August | 0 | 53.1 | 1,139.5 | |
| September | 0 | 17.6 | 654.2 | |
| October | 0 | 1.2 | 372.6 | |
| November | 0 | 0.4 | 127.7 | |
| December | 0 | 0.4 | 126.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Little Colorado River near Cameron, AZ normally run highest?
- March, on the long-term record. The median daily flow that month is about 128 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 Little Colorado River near Cameron, AZ?
- It depends on the month. In January, half of days historically fall near 2.8 cfs, with the middle 80% of days between 0 and 332.7 cfs. The month-by-month table on this page gives the full range.
- How long has Little Colorado River near Cameron, AZ been measured?
- Discharge records at USGS site 09402000 begin in 1923, about 103 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 Little Colorado River near Cameron, AZ?
- The gauge sits at 35.92638, -111.56737, in Arizona, in hydrologic subbasin 15020016, at an elevation of about 3,979 feet, draining roughly 26,459 square miles.
- Can I use Little Colorado River near Cameron, 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.