Rivermatics

USGS Streamgage 09499000

Tonto Creek above Gun Creek, near Roosevelt, AZ

Tonto Creek above Gun Creek, near Roosevelt, AZ is USGS streamgage 09499000 in Arizona, monitoring river discharge in hydrologic subbasin 15060105. It drains a watershed of about 675 square miles. Discharge records at this site go back to 1940. Typical flow runs near 6.7 cfs in July and 53 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

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Gauge details

State
Arizona
Drainage area
675 sq mi
Gauge elevation
2,525 ft
Subbasin (HUC-8)
15060105
Coordinates
33.98005, -111.30348
USGS site number
09499000
Records begin
1940-12-21 (86 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Tonto Creek above Gun Creek, near Roosevelt, 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.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
0.5 1.5 25
1 39.7 492
1.3 31.5 270
0.7 16 111
0.4 7.4 52.1
0.1 4.3 29.8
0 2.9 23
0 2 15.8
0 1.4 12.5
0 1.1 12.5
0 1.2 21.8
0 1.6 27.4
0 1.4 21.9
0 1.1 14.2

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 86 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 12.8 35.5 611.9
February 13.6 65.4 777.2
March 16.5 112.7 1,034.6
April 12.5 53 337.4
May 4 19.7 70.7
June 0 6.1 25.3
July 0 6.7 50.1
August 0.2 16.7 126.3
September 0.1 9.4 50.2
October 0.1 9.5 44.7
November 5.1 14.7 83.3
December 10.2 22.9 298

All values in cubic feet per second (cfs).

Common questions

When does Tonto Creek above Gun Creek, near Roosevelt, AZ normally run highest?
March, on the long-term record. The median daily flow that month is about 112.7 cfs, against 6.1 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 Tonto Creek above Gun Creek, near Roosevelt, AZ?
It depends on the month. In January, half of days historically fall near 35.5 cfs, with the middle 80% of days between 12.8 and 611.9 cfs. The month-by-month table on this page gives the full range.
How long has Tonto Creek above Gun Creek, near Roosevelt, AZ been measured?
Discharge records at USGS site 09499000 begin in 1940, about 86 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 Tonto Creek above Gun Creek, near Roosevelt, 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 Tonto Creek above Gun Creek, near Roosevelt, AZ?
The gauge sits at 33.98005, -111.30348, in Arizona, in hydrologic subbasin 15060105, at an elevation of about 2,525 feet, draining roughly 675 square miles.
Can I use Tonto Creek above Gun Creek, near Roosevelt, 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.

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