USGS Streamgage 14096850
Beaver Creek below Quartz Creek, near Simnasho, OR
Beaver Creek below Quartz Creek, near Simnasho, OR is USGS streamgage 14096850 in Oregon, monitoring river discharge in hydrologic subbasin 17070306. It drains a watershed of about 145 square miles. Discharge records at this site go back to 1983. Typical flow runs near 40 cfs in July and 102.8 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
- Oregon
- Drainage area
- 145 sq mi
- Subbasin (HUC-8)
- 17070306
- Coordinates
- 44.95873, -121.39423
- USGS site number
- 14096850
- Records begin
- 1983-10-01 (43 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Beaver Creek below Quartz Creek, near Simnasho, OR. 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 |
|---|---|---|---|---|
| 29.8 | 30.1 | 30.4 | ||
| 29.6 | 30.1 | 30.6 | ||
| 29.9 | 30.5 | 31.8 | ||
| 29.9 | 30.7 | 31.8 | ||
| 29.7 | 30.4 | 31.3 | ||
| 29.5 | 30.2 | 31.1 | ||
| 29.4 | 30.1 | 31 | ||
| 29.3 | 30 | 30.9 | ||
| 29.2 | 30 | 30.8 | ||
| 29.1 | 29.9 | 30.8 | ||
| 29 | 29.8 | 30.7 | ||
| 28.9 | 29.8 | 30.7 | ||
| 28.8 | 29.7 | 30.6 | ||
| 28.7 | 29.7 | 30.7 |
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 43 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 | 40.8 | 66.4 | 259.1 | |
| February | 45.9 | 97.9 | 300.2 | |
| March | 52.9 | 123.6 | 266.4 | |
| April | 59.2 | 102.8 | 187.1 | |
| May | 49.8 | 78.1 | 123.2 | |
| June | 38.5 | 50.9 | 72.4 | |
| July | 33.8 | 40 | 46.1 | |
| August | 31.7 | 36.3 | 41.2 | |
| September | 31.2 | 35.3 | 40.5 | |
| October | 31.8 | 36.2 | 42.2 | |
| November | 33.5 | 38.9 | 56.7 | |
| December | 33.9 | 44.1 | 125.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Beaver Creek below Quartz Creek, near Simnasho, OR normally run highest?
- March, on the long-term record. The median daily flow that month is about 123.6 cfs, against 35.3 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 Beaver Creek below Quartz Creek, near Simnasho, OR?
- It depends on the month. In January, half of days historically fall near 66.4 cfs, with the middle 80% of days between 40.8 and 259.1 cfs. The month-by-month table on this page gives the full range.
- How long has Beaver Creek below Quartz Creek, near Simnasho, OR been measured?
- Discharge records at USGS site 14096850 begin in 1983, about 43 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 Beaver Creek below Quartz Creek, near Simnasho, OR?
- 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 Beaver Creek below Quartz Creek, near Simnasho, OR?
- The gauge sits at 44.95873, -121.39423, in Oregon, in hydrologic subbasin 17070306, draining roughly 145 square miles.
- Can I use Beaver Creek below Quartz Creek, near Simnasho, OR 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.