USGS Streamgage 09251000
Yampa River near Maybell, CO
Yampa River near Maybell, CO is USGS streamgage 09251000 in Colorado, monitoring river discharge in hydrologic subbasin 14050002. It sits on the Yampa River, alongside 7 other gauges Rivermatics tracks on the same river. It drains a watershed of about 3,383 square miles. Discharge records at this site go back to 1904. Typical flow runs near 978.1 cfs in July and 2,253 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, alongside daily high and low water-temperature forecasts.
View live conditions & forecast →
Gauge details
- State
- Colorado
- Drainage area
- 3,383 sq mi
- Gauge elevation
- 5,920 ft
- Subbasin (HUC-8)
- 14050002
- Coordinates
- 40.50273, -108.03345
- USGS site number
- 09251000
- Records begin
- 1904-05-28 (122 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Yampa River near Maybell, 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.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 37.9 | 42.5 | 47.4 | ||
| 34.4 | 41 | 50.5 | ||
| 31.5 | 39.8 | 54.4 | ||
| 34 | 47.1 | 82.2 | ||
| 37.1 | 59.4 | 123 | ||
| 45.3 | 84.3 | 206 | ||
| 61.6 | 138 | 343 | ||
| 62.8 | 148 | 353 | ||
| 58.8 | 129 | 286 | ||
| 53.4 | 109 | 228 | ||
| 48.2 | 94.4 | 189 | ||
| 45 | 85.8 | 167 | ||
| 39.9 | 74.9 | 147 | ||
| 35.9 | 66.7 | 130 |
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 110 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 | 174.8 | 254.8 | 396.2 | |
| February | 204.5 | 290.5 | 445.7 | |
| March | 306.9 | 563.7 | 1,335.3 | |
| April | 991.7 | 2,253 | 4,666 | |
| May | 2,824.8 | 5,729 | 10,231.3 | |
| June | 1,912.8 | 5,026.3 | 9,185.3 | |
| July | 247.6 | 978.1 | 2,726.1 | |
| August | 87.7 | 294.3 | 702.6 | |
| September | 64.9 | 184 | 438.1 | |
| October | 145.7 | 282.4 | 642.4 | |
| November | 202.5 | 311 | 554.2 | |
| December | 175.1 | 261 | 446.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Yampa River near Maybell, CO normally run highest?
- May, on the long-term record. The median daily flow that month is about 5,729 cfs, against 184 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Yampa River near Maybell, CO?
- It depends on the month. In January, half of days historically fall near 254.8 cfs, with the middle 80% of days between 174.8 and 396.2 cfs. The month-by-month table on this page gives the full range.
- How long has Yampa River near Maybell, CO been measured?
- Discharge records at USGS site 09251000 begin in 1904, about 122 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Yampa River near Maybell, 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. A companion model forecasts each day's water-temperature high and low. 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 Yampa River near Maybell, CO?
- The gauge sits at 40.50273, -108.03345, in Colorado, in hydrologic subbasin 14050002, at an elevation of about 5,920 feet, draining roughly 3,383 square miles.
- Can I use Yampa River near Maybell, 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.
Upstream and downstream on the Yampa River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Yampa River in full.
- Yampa River above Stagecoach Reservoir, CO 206 sq mi
- Yampa River below Stagecoach Reservoir, CO 228 sq mi
- Yampa River at Steamboat Springs, CO 567 sq mi
- Yampa River below Soda Creek at Steamboat Springs, CO 597 sq mi
- Yampa River above Elkhead Creek near Hayden, CO 1,575 sq mi
- Yampa River below Craig, CO 2,128 sq mi
- Yampa River near Maybell, CO this page
- Yampa River at Deerlodge Park, CO 7,931 sq mi