USGS Streamgage 12113344
Green River at 200Th Street at Kent, WA
Green River at 200Th Street at Kent, WA is USGS streamgage 12113344 in Washington, monitoring river discharge in hydrologic subbasin 17110013. It sits on the Green River, alongside 7 other gauges Rivermatics tracks on the same river. It drains a watershed of about 451 square miles. Discharge records at this site go back to 2011. Typical flow runs near 389.3 cfs in July and 1,608.7 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
- 451 sq mi
- Gauge elevation
- 22 ft
- Subbasin (HUC-8)
- 17110013
- Coordinates
- 47.42288, -122.2654
- USGS site number
- 12113344
- Records begin
- 2011-12-29 (15 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Green River at 200Th Street at Kent, 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 |
|---|---|---|---|---|
| 276 | 282 | 290 | ||
| 274 | 283 | 295 | ||
| 283 | 315 | 404 | ||
| 285 | 323 | 428 | ||
| 285 | 327 | 441 | ||
| 283 | 326 | 440 | ||
| 279 | 324 | 444 | ||
| 275 | 322 | 455 | ||
| 272 | 324 | 481 | ||
| 272 | 328 | 493 | ||
| 272 | 331 | 498 | ||
| 271 | 333 | 512 | ||
| 271 | 340 | 542 | ||
| 270 | 346 | 573 |
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 15 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 | 999.9 | 2,001.3 | 4,574.8 | |
| February | 914.2 | 1,740.3 | 5,649.6 | |
| March | 766.3 | 1,528.4 | 4,579.4 | |
| April | 802 | 1,608.7 | 3,362.3 | |
| May | 600.4 | 1,439 | 2,552.9 | |
| June | 355.6 | 834.2 | 1,983.3 | |
| July | 275.6 | 389.3 | 770.6 | |
| August | 289.2 | 334.4 | 429.1 | |
| September | 338.2 | 415.5 | 553.1 | |
| October | 377 | 666.5 | 2,086.8 | |
| November | 640 | 1,330.7 | 4,551.7 | |
| December | 826.8 | 1,681.3 | 5,923.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Green River at 200Th Street at Kent, WA normally run highest?
- January, on the long-term record. The median daily flow that month is about 2,001.3 cfs, against 334.4 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 Green River at 200Th Street at Kent, WA?
- It depends on the month. In January, half of days historically fall near 2,001.3 cfs, with the middle 80% of days between 999.9 and 4,574.8 cfs. The month-by-month table on this page gives the full range.
- How long has Green River at 200Th Street at Kent, WA been measured?
- Discharge records at USGS site 12113344 begin in 2011, about 15 years, covering roughly 5,334 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Green River at 200Th Street at Kent, 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 Green River at 200Th Street at Kent, WA?
- The gauge sits at 47.42288, -122.2654, in Washington, in hydrologic subbasin 17110013, at an elevation of about 22 feet, draining roughly 451 square miles.
- Can I use Green River at 200Th Street at Kent, 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 Green River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Green River in full.
- Green River below Howard A Hanson Dam, WA 221 sq mi
- Green River at Purification Plant near Palmer, WA 231 sq mi
- Green River below Crisp Creek near Black Diamond, WA 312 sq mi
- Green River near Auburn, WA 399 sq mi
- Green River at Tukwila, WA 440 sq mi
- Green River at 200Th Street at Kent, WA this page
- Green River above S 277Th St at Kent, WA
- Green River below Meeker St at Kent, WA
Other gauges in this subbasin
- Springbrook Creek at Orillia, WA
- Mill Creek at Earthworks Park at Kent, WA
- Mill Creek near Mouth at Orillia, WA
- Green River at Tukwila, WA
- Duwamish River at Golf Course at Tukwila, WA
- Duwamish River at E Marginal Way Br at Duwamish, WA
- Green River below Howard A Hanson Dam, WA
- Green River at Purification Plant near Palmer, WA