USGS Streamgage 06720990
Big Dry Creek at Mouth near Fort Lupton, CO
Big Dry Creek at Mouth near Fort Lupton, CO is USGS streamgage 06720990 in Colorado, monitoring river discharge in hydrologic subbasin 10190003. It sits on the Big Dry Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 107 square miles. Discharge records at this site go back to 1991. Typical flow runs near 37.2 cfs in July and 45 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
- 107 sq mi
- Gauge elevation
- 4,903 ft
- Subbasin (HUC-8)
- 10190003
- Coordinates
- 40.06883, -104.83199
- USGS site number
- 06720990
- Records begin
- 1991-10-01 (35 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Big Dry Creek at Mouth near Fort Lupton, 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 |
|---|---|---|---|---|
| 34.8 | 38.5 | 42.1 | ||
| 33.2 | 39.1 | 46 | ||
| 31.5 | 38.6 | 46.7 | ||
| 30.3 | 38.9 | 50 | ||
| 29.7 | 39.1 | 49.9 | ||
| 27.8 | 39.2 | 52 | ||
| 26.6 | 39.6 | 53.7 | ||
| 24.6 | 38.5 | 51.2 | ||
| 22.2 | 37.4 | 51.2 | ||
| 22.3 | 36.8 | 50.3 | ||
| 20.8 | 35.5 | 49.1 | ||
| 21.2 | 35.8 | 50.5 | ||
| 20.1 | 34.8 | 49.4 | ||
| 20.2 | 34.2 | 48.8 |
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 35 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 | 18.4 | 24.9 | 34.4 | |
| February | 17.4 | 24.5 | 36.7 | |
| March | 14.9 | 28.3 | 65.3 | |
| April | 15.6 | 45 | 108.2 | |
| May | 15.1 | 39.7 | 124.3 | |
| June | 15 | 36.3 | 103.9 | |
| July | 14.3 | 37.2 | 93.5 | |
| August | 12.7 | 35.6 | 82 | |
| September | 12.7 | 39.9 | 80.8 | |
| October | 16.8 | 35 | 63.2 | |
| November | 18.7 | 29.4 | 45 | |
| December | 18.5 | 25 | 37 |
All values in cubic feet per second (cfs).
Common questions
- When does Big Dry Creek at Mouth near Fort Lupton, CO normally run highest?
- April, on the long-term record. The median daily flow that month is about 45 cfs, against 24.5 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Big Dry Creek at Mouth near Fort Lupton, CO?
- It depends on the month. In January, half of days historically fall near 24.9 cfs, with the middle 80% of days between 18.4 and 34.4 cfs. The month-by-month table on this page gives the full range.
- How long has Big Dry Creek at Mouth near Fort Lupton, CO been measured?
- Discharge records at USGS site 06720990 begin in 1991, about 35 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 Big Dry Creek at Mouth near Fort Lupton, 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 Big Dry Creek at Mouth near Fort Lupton, CO?
- The gauge sits at 40.06883, -104.83199, in Colorado, in hydrologic subbasin 10190003, at an elevation of about 4,903 feet, draining roughly 107 square miles.
- Can I use Big Dry Creek at Mouth near Fort Lupton, 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 Big Dry Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Big Dry Creek in full.
- Big Dry Creek at Westminster, CO 44 sq mi
- Big Dry Creek at Mouth near Fort Lupton, CO this page
Other gauges in this subbasin
- South Platte River at Fort Lupton, CO
- Cherry Creek near Parker, CO
- Toll Gate Creek above 6Th Ave at Aurora, CO
- Sand Creek at Mouth near Commerce City, CO
- Cherry Creek near Franktown, CO
- Cherry Creek below Cherry Creek Lake, CO
- Cherry Creek at Denver, CO
- South Platte River at 64Th Ave. Commerce City, CO