USGS Streamgage 14013500
Blue Creek near Walla Walla, WA
Blue Creek near Walla Walla, WA is USGS streamgage 14013500 in Washington, monitoring river discharge in hydrologic subbasin 17070102. It drains a watershed of about 17 square miles. Discharge records at this site go back to 1939. Typical flow runs near 0.6 cfs in July and 24.2 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
- 17 sq mi
- Subbasin (HUC-8)
- 17070102
- Coordinates
- 46.05764, -118.14023
- USGS site number
- 14013500
- Records begin
- 1939-10-01 (87 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Blue Creek near Walla Walla, 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 |
|---|---|---|---|---|
| 0.6 | 0.6 | 0.7 | ||
| 0.5 | 0.6 | 0.8 | ||
| 0.6 | 0.8 | 1.4 | ||
| 0.6 | 0.9 | 1.5 | ||
| 0.6 | 0.8 | 1.2 | ||
| 0.5 | 0.7 | 1.1 | ||
| 0.5 | 0.7 | 1 | ||
| 0.4 | 0.6 | 0.9 | ||
| 0.4 | 0.6 | 0.9 | ||
| 0.4 | 0.6 | 0.9 | ||
| 0.4 | 0.6 | 0.9 | ||
| 0.4 | 0.5 | 0.9 | ||
| 0.4 | 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 29 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 | — | 20.1 | — | |
| February | — | 35.1 | — | |
| March | — | 45 | — | |
| April | — | 24.2 | — | |
| May | — | 3 | — | |
| June | — | 1 | — | |
| July | — | 0.6 | — | |
| August | — | 0.4 | — | |
| September | — | 0.5 | — | |
| October | — | 1.1 | — | |
| November | — | 3.8 | — | |
| December | — | 23.4 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Blue Creek near Walla Walla, WA normally run highest?
- March, on the long-term record. The median daily flow that month is about 45 cfs, against 0.4 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Blue Creek near Walla Walla, WA been measured?
- Discharge records at USGS site 14013500 begin in 1939, about 87 years, covering roughly 742 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Blue Creek near Walla Walla, 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 Blue Creek near Walla Walla, WA?
- The gauge sits at 46.05764, -118.14023, in Washington, in hydrologic subbasin 17070102, draining roughly 17 square miles.
- Can I use Blue Creek near Walla Walla, 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.