USGS Streamgage 14238800
Cowlitz River at Toledo, WA
Cowlitz River at Toledo, WA is USGS streamgage 14238800 in Washington, monitoring river discharge in hydrologic subbasin 17080005. It sits on the Cowlitz River, alongside 5 other gauges Rivermatics tracks on the same river. It drains a watershed of about 1,461 square miles. Discharge records at this site go back to 1977. Typical flow runs near 3,402.9 cfs in July and 5,295.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 1,461 sq mi
- Subbasin (HUC-8)
- 17080005
- Coordinates
- 46.43844, -122.84428
- USGS site number
- 14238800
- Records begin
- 1977-06-01 (49 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 6 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 | — | 10,275.8 | — | |
| February | — | 12,281.4 | — | |
| March | — | 7,792.6 | — | |
| April | — | 5,295.7 | — | |
| May | — | 6,394.5 | — | |
| June | — | 6,425 | — | |
| July | — | 3,402.9 | — | |
| August | — | 2,329 | — | |
| September | — | 2,428 | — | |
| October | — | 4,975.2 | — | |
| November | — | 9,064.7 | — | |
| December | — | 12,147.4 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Cowlitz River at Toledo, WA normally run highest?
- February, on the long-term record. The median daily flow that month is about 12,281.4 cfs, against 2,329 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Cowlitz River at Toledo, WA been measured?
- Discharge records at USGS site 14238800 begin in 1977, about 49 years. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Cowlitz River at Toledo, WA?
- The gauge sits at 46.43844, -122.84428, in Washington, in hydrologic subbasin 17080005, draining roughly 1,461 square miles.
- Can I use Cowlitz River at Toledo, 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 Cowlitz River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Cowlitz River in full.
- Cowlitz River at Packwood, WA 287 sq mi
- Cowlitz River at Randle, WA 541 sq mi
- Cowlitz River near Kosmos, WA 1,040 sq mi
- Cowlitz River below Mayfield Dam, WA 1,400 sq mi
- Cowlitz River at Toledo, WA this page
- Cowlitz River at Castle Rock, WA 2,238 sq mi