Rivermatics

USGS Streamgage 09047500

Snake River near Montezuma, CO

Snake River near Montezuma, CO is USGS streamgage 09047500 in Colorado, monitoring river discharge in hydrologic subbasin 14010002. It drains a watershed of about 58 square miles. Discharge records at this site go back to 1942. Typical flow runs near 123.3 cfs in July and 16.4 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

View live conditions & forecast →

Gauge details

State
Colorado
Drainage area
58 sq mi
Gauge elevation
9,324 ft
Subbasin (HUC-8)
14010002
Coordinates
39.60536, -105.94313
USGS site number
09047500
Records begin
1942-10-01 (84 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Snake River near Montezuma, CO. 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
15 15.9 16.6
14.6 15.6 16.7
14.1 15.3 16.6
14.6 16.7 21
15.1 17.7 22.8
15.9 19.4 26.9
16.3 20.6 28.8
15.8 19.8 26.6
15.1 18.3 23.3
14.5 17.3 21.7
14.1 16.7 20.7
13.6 16.2 20
13.2 15.7 19.2
12.8 15.3 18.8

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 84 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 9.2 12.2 16.6
February 8.2 10.7 14.6
March 8.4 10.5 13.7
April 10.7 16.4 29.5
May 38.9 85 188.6
June 122.2 265.3 465.8
July 60.3 123.3 230.6
August 32.7 56 105.2
September 22.9 33.6 52.7
October 18.4 25.2 35.8
November 14.7 18.8 26
December 11.2 14.9 21.1

All values in cubic feet per second (cfs).

Common questions

When does Snake River near Montezuma, CO normally run highest?
June, on the long-term record. The median daily flow that month is about 265.3 cfs, against 10.5 cfs in March, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Snake River near Montezuma, CO?
It depends on the month. In January, half of days historically fall near 12.2 cfs, with the middle 80% of days between 9.2 and 16.6 cfs. The month-by-month table on this page gives the full range.
How long has Snake River near Montezuma, CO been measured?
Discharge records at USGS site 09047500 begin in 1942, about 84 years, covering roughly 6,000 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Snake River near Montezuma, CO?
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 Snake River near Montezuma, CO?
The gauge sits at 39.60536, -105.94313, in Colorado, in hydrologic subbasin 14010002, at an elevation of about 9,324 feet, draining roughly 58 square miles.
Can I use Snake River near Montezuma, CO 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.

Other gauges in this subbasin