Little Colorado River at Greer, AZ

Gauge details

State

Arizona

Drainage area

29 sq mi

Gauge elevation

8,294 ft

Subbasin (HUC-8)

15020001

Coordinates

34.01589, -109.45708

USGS site number

09383400

Records begin

1960-08-01 (66 years)

Rivermatics forecast

14-day flow outlook

14-day flow forecast

Based on observations through September 15 for Little Colorado River at Greer, 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 66 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 Little Colorado River at Greer, AZ normally run highest?

May, on the long-term record. The median daily flow that month is about 23.2 cfs, against 2.6 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 Little Colorado River at Greer, AZ?

It depends on the month. In January, half of days historically fall near 4.3 cfs, with the middle 80% of days between 0.6 and 9 cfs. The month-by-month table on this page gives the full range.

How long has Little Colorado River at Greer, AZ been measured?

Discharge records at USGS site 09383400 begin in 1960, about 66 years, covering roughly 6,642 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.

Is there a flow forecast for Little Colorado River at Greer, 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 Little Colorado River at Greer, AZ?

The gauge sits at 34.01589, -109.45708, in Arizona, in hydrologic subbasin 15020001, at an elevation of about 8,294 feet, draining roughly 29 square miles.

Can I use Little Colorado River at Greer, 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 Little Colorado River

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

• Little Colorado River at Greer, AZ this page
• Little Colorado River above Lyman Lake near St. Johns, AZ 706 sq mi
• Little Colorado River below Salado Springs, AZ 845 sq mi
• Little Colorado River at Woodruff, AZ 8,072 sq mi
• Little Colorado River at Holbrook, AZ 11,462 sq mi
• Little Colorado River near Joseph City, AZ 12,384 sq mi
• Little Colorado River near Winslow, AZ 16,192 sq mi
• Little Colorado River near Cameron, AZ 26,459 sq mi
• Little Colorado River above Mouth near Desert View, AZ 26,972 sq mi

Other gauges in this subbasin

• Little Colorado River above Lyman Lake near St. Johns, AZ
• Lyman Lake near St. Johns, AZ