USGS Streamgage 09352800
Los Pinos River above Vallecito Reservoir near Bayfield, CO
Los Pinos River above Vallecito Reservoir near Bayfield, CO is USGS streamgage 09352800 in Colorado, monitoring river discharge in hydrologic subbasin 14080101. It sits on the Los Pinos River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 130 square miles. Discharge records at this site go back to 2018. Typical flow runs near 102.2 cfs in July and 183.8 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.
View live conditions & forecast →
Gauge details
- State
- Colorado
- Drainage area
- 130 sq mi
- Gauge elevation
- 7,755 ft
- Subbasin (HUC-8)
- 14080101
- Coordinates
- 37.41472, -107.5134
- USGS site number
- 09352800
- Records begin
- 2018-04-19 (8 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Los Pinos River above Vallecito Reservoir near Bayfield, 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 |
|---|---|---|---|---|
| 24.1 | 25 | 25.8 | ||
| 23.3 | 24.6 | 25.8 | ||
| 22.8 | 24.2 | 25.9 | ||
| 23.6 | 26.4 | 33.8 | ||
| 25 | 30.1 | 47.3 | ||
| 27.9 | 40.2 | 87.3 | ||
| 27.7 | 39.7 | 75.9 | ||
| 26.8 | 36.2 | 59.3 | ||
| 25.9 | 33.6 | 51.1 | ||
| 25.3 | 32.2 | 47.3 | ||
| 24.5 | 31 | 43.8 | ||
| 23.6 | 29.3 | 39.6 | ||
| 23 | 28.2 | 37.3 | ||
| 22.4 | 27.4 | 35.5 |
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 8 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 | — | 29.3 | — | |
| February | — | 28.2 | — | |
| March | — | 40.3 | — | |
| April | — | 183.8 | — | |
| May | — | 446.8 | — | |
| June | — | 296.7 | — | |
| July | — | 102.2 | — | |
| August | — | 66.4 | — | |
| September | — | 50 | — | |
| October | — | 54.6 | — | |
| November | — | 41.2 | — | |
| December | — | 34.4 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Los Pinos River above Vallecito Reservoir near Bayfield, CO normally run highest?
- May, on the long-term record. The median daily flow that month is about 446.8 cfs, against 28.2 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Los Pinos River above Vallecito Reservoir near Bayfield, CO been measured?
- Discharge records at USGS site 09352800 begin in 2018, about 8 years, covering roughly 3,030 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Los Pinos River above Vallecito Reservoir near Bayfield, 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 Los Pinos River above Vallecito Reservoir near Bayfield, CO?
- The gauge sits at 37.41472, -107.5134, in Colorado, in hydrologic subbasin 14080101, at an elevation of about 7,755 feet, draining roughly 130 square miles.
- Can I use Los Pinos River above Vallecito Reservoir near Bayfield, 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 Los Pinos River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Los Pinos River in full.
- Los Pinos River above Vallecito Reservoir near Bayfield, CO this page
- Los Pinos River near Ignacio, CO 340 sq mi
- Los Pinos River at La Boca, CO 519 sq mi