USGS Streamgage 12422990
Hangman Creek at State Line Road near Tekoa, WA
Hangman Creek at State Line Road near Tekoa, WA is USGS streamgage 12422990 in Washington, monitoring river discharge in hydrologic subbasin 17010306. It sits on the Hangman Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 127 square miles. Discharge records at this site go back to 2007. Typical flow runs near 1.4 cfs in July and 110 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
- Washington
- Drainage area
- 127 sq mi
- Gauge elevation
- 2,509 ft
- Subbasin (HUC-8)
- 17010306
- Coordinates
- 47.20268, -117.04073
- USGS site number
- 12422990
- Records begin
- 2007-06-29 (19 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Hangman Creek at State Line Road near Tekoa, 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 |
|---|---|---|---|---|
| 0.5 | 0.5 | 0.6 | ||
| 0.4 | 0.5 | 0.6 | ||
| 0.5 | 0.7 | 1.6 | ||
| 0.5 | 0.7 | 1.6 | ||
| 0.4 | 0.7 | 1.3 | ||
| 0.4 | 0.6 | 1.1 | ||
| 0.4 | 0.6 | 1 | ||
| 0.4 | 0.6 | 0.9 | ||
| 0.4 | 0.6 | 0.9 | ||
| 0.3 | 0.5 | 0.9 | ||
| 0.3 | 0.5 | 0.9 | ||
| 0.3 | 0.5 | 0.9 | ||
| 0.3 | 0.5 | 0.9 | ||
| 0.3 | 0.5 | 0.9 |
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 19 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 | 4.3 | 59.7 | 494.4 | |
| February | 21 | 87 | 532.4 | |
| March | 33 | 199.2 | 717.9 | |
| April | 41.1 | 110 | 405 | |
| May | 6.8 | 31 | 174.6 | |
| June | 1.2 | 7.3 | 115.2 | |
| July | 0.3 | 1.4 | 6.6 | |
| August | 0.2 | 0.6 | 1.7 | |
| September | 0.2 | 0.5 | 2.3 | |
| October | 0.3 | 1 | 3.9 | |
| November | 0.5 | 3.5 | 23.8 | |
| December | 2 | 12.1 | 168.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Hangman Creek at State Line Road near Tekoa, WA normally run highest?
- March, on the long-term record. The median daily flow that month is about 199.2 cfs, against 0.5 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 Hangman Creek at State Line Road near Tekoa, WA?
- It depends on the month. In January, half of days historically fall near 59.7 cfs, with the middle 80% of days between 4.3 and 494.4 cfs. The month-by-month table on this page gives the full range.
- How long has Hangman Creek at State Line Road near Tekoa, WA been measured?
- Discharge records at USGS site 12422990 begin in 2007, about 19 years, covering roughly 6,978 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Hangman Creek at State Line Road near Tekoa, 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 Hangman Creek at State Line Road near Tekoa, WA?
- The gauge sits at 47.20268, -117.04073, in Washington, in hydrologic subbasin 17010306, at an elevation of about 2,509 feet, draining roughly 127 square miles.
- Can I use Hangman Creek at State Line Road near Tekoa, 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.
Upstream and downstream on the Hangman Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Hangman Creek in full.
- Hangman Creek at State Line Road near Tekoa, WA this page
- Hangman Creek at Spokane, WA 689 sq mi