USGS Streamgage 09152500
Gunnison River near Grand Junction, CO
Gunnison River near Grand Junction, CO is USGS streamgage 09152500 in Colorado, monitoring river discharge in hydrologic subbasin 14020005. It sits on the Gunnison River, alongside 4 other gauges Rivermatics tracks on the same river. It drains a watershed of about 7,923 square miles. Discharge records at this site go back to 1896. Typical flow runs near 1,845.8 cfs in July and 2,365.3 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
- 7,923 sq mi
- Gauge elevation
- 4,647 ft
- Subbasin (HUC-8)
- 14020005
- Coordinates
- 38.98332, -108.45064
- USGS site number
- 09152500
- Records begin
- 1896-10-01 (130 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Gunnison River near Grand Junction, 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 |
|---|---|---|---|---|
| 637 | 682 | 721 | ||
| 605 | 676 | 751 | ||
| 587 | 673 | 770 | ||
| 606 | 713 | 921 | ||
| 646 | 777 | 1,094 | ||
| 683 | 850 | 1,295 | ||
| 732 | 955 | 1,536 | ||
| 720 | 942 | 1,496 | ||
| 698 | 903 | 1,394 | ||
| 684 | 876 | 1,280 | ||
| 664 | 849 | 1,210 | ||
| 643 | 829 | 1,187 | ||
| 623 | 803 | 1,134 | ||
| 611 | 790 | 1,122 |
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 130 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 | 689.7 | 958.1 | 2,309.7 | |
| February | 701.3 | 1,008.6 | 2,244.1 | |
| March | 747.2 | 1,159.4 | 2,650 | |
| April | 985 | 2,365.3 | 5,712.3 | |
| May | 1,788.7 | 5,809 | 13,797.4 | |
| June | 1,425.2 | 5,321.7 | 13,024 | |
| July | 619.3 | 1,845.8 | 4,794.8 | |
| August | 539.2 | 1,234.2 | 2,574.8 | |
| September | 553.3 | 1,292.3 | 2,521 | |
| October | 762.4 | 1,376.5 | 2,564.2 | |
| November | 875.9 | 1,266 | 2,407.7 | |
| December | 751.4 | 1,056.1 | 2,432.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Gunnison River near Grand Junction, CO normally run highest?
- May, on the long-term record. The median daily flow that month is about 5,809 cfs, against 958.1 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Gunnison River near Grand Junction, CO?
- It depends on the month. In January, half of days historically fall near 958.1 cfs, with the middle 80% of days between 689.7 and 2,309.7 cfs. The month-by-month table on this page gives the full range.
- How long has Gunnison River near Grand Junction, CO been measured?
- Discharge records at USGS site 09152500 begin in 1896, about 130 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 Gunnison River near Grand Junction, 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 Gunnison River near Grand Junction, CO?
- The gauge sits at 38.98332, -108.45064, in Colorado, in hydrologic subbasin 14020005, at an elevation of about 4,647 feet, draining roughly 7,923 square miles.
- Can I use Gunnison River near Grand Junction, 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 Gunnison River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Gunnison River in full.
- Gunnison River at Gunnison Whitewater Park, CO 1,010 sq mi
- Gunnison River near Gunnison, CO 1,011 sq mi
- Gunnison River below Gunnison Tunnel, CO 3,971 sq mi
- Gunnison River at Delta, CO 5,636 sq mi
- Gunnison River near Grand Junction, CO this page