USGS Streamgage 12431500
Little Spokane River near Dartford, WA
Little Spokane River near Dartford, WA is USGS streamgage 12431500 in Washington, monitoring river discharge in hydrologic subbasin 17010308. It sits on the Little Spokane River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 698 square miles. Discharge records at this site go back to 1948. Typical flow runs near 417 cfs in July and 883.3 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.
View live conditions & forecast →
Gauge details
- State
- Washington
- Drainage area
- 698 sq mi
- Gauge elevation
- 1,558 ft
- Subbasin (HUC-8)
- 17010308
- Coordinates
- 47.781, -117.49633
- USGS site number
- 12431500
- Records begin
- 1948-04-01 (78 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Little Spokane River near Dartford, 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 |
|---|---|---|---|---|
| 347 | 350 | 353 | ||
| 344 | 348 | 352 | ||
| 349 | 362 | 396 | ||
| 351 | 367 | 403 | ||
| 349 | 365 | 397 | ||
| 345 | 359 | 385 | ||
| 343 | 356 | 378 | ||
| 341 | 353 | 373 | ||
| 339 | 351 | 369 | ||
| 337 | 349 | 366 | ||
| 335 | 347 | 364 | ||
| 333 | 346 | 363 | ||
| 332 | 345 | 362 | ||
| 331 | 344 | 361 |
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 77 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 | 433.7 | 514.2 | 791.9 | |
| February | 446.1 | 604.9 | 916.4 | |
| March | 537.1 | 811.1 | 1,284.9 | |
| April | 571.4 | 883.3 | 1,287 | |
| May | 466.4 | 648.5 | 1,002 | |
| June | 400 | 512.2 | 795.6 | |
| July | 343.8 | 417 | 530.1 | |
| August | 329.1 | 376.3 | 435.6 | |
| September | 335.5 | 378 | 425.2 | |
| October | 360.3 | 409 | 466.4 | |
| November | 396.3 | 451.5 | 523.6 | |
| December | 418.3 | 476.6 | 626.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Little Spokane River near Dartford, WA normally run highest?
- April, on the long-term record. The median daily flow that month is about 883.3 cfs, against 376.3 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Little Spokane River near Dartford, WA?
- It depends on the month. In January, half of days historically fall near 514.2 cfs, with the middle 80% of days between 433.7 and 791.9 cfs. The month-by-month table on this page gives the full range.
- How long has Little Spokane River near Dartford, WA been measured?
- Discharge records at USGS site 12431500 begin in 1948, about 78 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 Little Spokane River near Dartford, 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 Little Spokane River near Dartford, WA?
- The gauge sits at 47.781, -117.49633, in Washington, in hydrologic subbasin 17010308, at an elevation of about 1,558 feet, draining roughly 698 square miles.
- Can I use Little Spokane River near Dartford, 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 Little Spokane River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Little Spokane River in full.
- Little Spokane River at Dartford, WA 665 sq mi
- Little Spokane River near Dartford, WA this page