Gila River at Kelvin, AZ

Gauge details

State

Arizona

Drainage area

18,011 sq mi

Gauge elevation

1,747 ft

Subbasin (HUC-8)

15050100

Coordinates

33.10286, -110.97652

USGS site number

09474000

Records begin

1891-02-22 (135 years)

Rivermatics forecast

14-day flow outlook

14-day flow forecast

Based on observations through September 16 for Gila River at Kelvin, AZ. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.

All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.

Typical flow by month

Long-term daily discharge percentiles from the USGS record (up to 116 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

All values in cubic feet per second (cfs).

Common questions

When does Gila River at Kelvin, AZ normally run highest?

August, on the long-term record. The median daily flow that month is about 593.1 cfs, against 57.8 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.

What is a normal flow for Gila River at Kelvin, AZ?

It depends on the month. In January, half of days historically fall near 124.6 cfs, with the middle 80% of days between 23.4 and 587.5 cfs. The month-by-month table on this page gives the full range.

How long has Gila River at Kelvin, AZ been measured?

Discharge records at USGS site 09474000 begin in 1891, about 135 years, covering roughly 9,130 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.

Is there a flow forecast for Gila River at Kelvin, AZ?

Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.

Where is Gila River at Kelvin, AZ?

The gauge sits at 33.10286, -110.97652, in Arizona, in hydrologic subbasin 15050100, at an elevation of about 1,747 feet, draining roughly 18,011 square miles.

Can I use Gila River at Kelvin, 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.

Upstream and downstream on the Gila River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Gila River in full.

• Gila River near Gila Hot Springs, NM 1,510 sq mi
• Gila River near Gila, NM 1,864 sq mi
• Gila River near Redrock, NM 2,829 sq mi
• Gila River below Blue Creek, near Virden, NM 3,203 sq mi
• Gila River at Duncan, AZ 3,589 sq mi
• Gila River near Clifton, AZ 4,010 sq mi
• Gila River at Head of Safford Valley, near Solomon 7,857 sq mi
• Gila River at Calva, AZ 11,470 sq mi
• Gila River below Coolidge Dam, AZ 12,886 sq mi
• Gila River at Kelvin, AZ this page
• Gila River near Maricopa, AZ 19,915 sq mi
• Gila River at Estrella Parkway, near Goodyear, AZ 45,585 sq mi
• Gila River below Painted Rock Dam, AZ 50,910 sq mi
• Gila River near Dateland, AZ 55,000 sq mi
• Gila River near Dome, AZ 57,850 sq mi
• Gila River at Miller Rd near Buckeye, AZ
• Gila River below Gillespie Dam, Az (Low-Flow Station)

Other gauges in this subbasin

• Florence-Casa Grande Canal, near Florence, AZ
• Queen Creek below Whitlow Dam near Superior, AZ
• Gila River near Maricopa, AZ
• Gila River below Coolidge Dam, AZ