USGS Streamgage 12187985
Downey Creek at Mouth near Darrington, WA
Downey Creek at Mouth near Darrington, WA is USGS streamgage 12187985 in Washington, monitoring river discharge in hydrologic subbasin 17110006. Discharge records at this site go back to 2016. Typical flow runs near 239.2 cfs in July and 177.4 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Washington
- Gauge elevation
- 1,398 ft
- Subbasin (HUC-8)
- 17110006
- Coordinates
- 48.25918, -121.2247
- USGS site number
- 12187985
- Records begin
- 2016-10-01 (10 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Downey Creek at Mouth near Darrington, WA. 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 |
|---|---|---|---|---|
| 34.4 | 36.7 | 39.5 | ||
| 33.5 | 36.3 | 40.1 | ||
| 36.9 | 44.2 | 65.3 | ||
| 37 | 45 | 67.3 | ||
| 35.9 | 43.1 | 60.1 | ||
| 34 | 40.3 | 53.5 | ||
| 32.8 | 38.9 | 51.1 | ||
| 31.8 | 37.7 | 49.4 | ||
| 30.9 | 36.9 | 48.9 | ||
| 30.1 | 36 | 46.9 | ||
| 29.4 | 35.2 | 45.7 | ||
| 28.7 | 34.7 | 44.9 | ||
| 28.1 | 34.4 | 45.3 | ||
| 27.9 | 34.4 | 45.5 |
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 9 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 | — | 93.4 | — | |
| February | — | 128.1 | — | |
| March | — | 172.7 | — | |
| April | — | 177.4 | — | |
| May | — | 292.9 | — | |
| June | — | 359.6 | — | |
| July | — | 239.2 | — | |
| August | — | 117 | — | |
| September | — | 83.2 | — | |
| October | — | 171.1 | — | |
| November | — | 180 | — | |
| December | — | 153.6 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Downey Creek at Mouth near Darrington, WA normally run highest?
- June, on the long-term record. The median daily flow that month is about 359.6 cfs, against 83.2 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Downey Creek at Mouth near Darrington, WA been measured?
- Discharge records at USGS site 12187985 begin in 2016, about 10 years, covering roughly 1,273 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Downey Creek at Mouth near Darrington, WA?
- 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 Downey Creek at Mouth near Darrington, WA?
- The gauge sits at 48.25918, -121.2247, in Washington, in hydrologic subbasin 17110006, at an elevation of about 1,398 feet.
- Can I use Downey Creek at Mouth near Darrington, WA 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.