Rivermatics

USGS Streamgage 09188500

Green River at Warren Bridge, near Daniel, WY

Green River at Warren Bridge, near Daniel, WY is USGS streamgage 09188500 in Wyoming, monitoring river discharge in hydrologic subbasin 14040101. It sits on the Green River, alongside 8 other gauges Rivermatics tracks on the same river. It drains a watershed of about 461 square miles. Discharge records at this site go back to 1931. Typical flow runs near 1,118 cfs in July and 257.9 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.

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Gauge details

State
Wyoming
Drainage area
461 sq mi
Gauge elevation
7,475 ft
Subbasin (HUC-8)
14040101
Coordinates
43.01908, -110.11886
USGS site number
09188500
Records begin
1931-10-01 (95 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Green River at Warren Bridge, near Daniel, WY. 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.

Forecast daily mean discharge in cubic feet per second, by date
Date Low p10 Expected p50 High p90 Range
295 311 327
279 299 316
269 292 316
261 288 313
251 279 307
240 270 301
236 269 305
229 265 299
221 258 294
214 251 288
209 247 285
204 242 282
199 238 278
195 234 275

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 95 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.

Historical monthly discharge percentiles in cubic feet per second
Month Low p10 Typical p50 High p90 Range
January 81.5 105.3 144.3
February 84.3 106.8 137.1
March 94.6 121.8 165
April 155.2 257.9 482.7
May 431.7 880.8 1,771.9
June 850.2 1,633.3 2,925.3
July 506.4 1,118 1,986.1
August 263.6 459.3 768.8
September 172.6 260.9 415.8
October 128.5 181.7 287.6
November 95.8 140.2 205.9
December 89.2 118.4 165.4

All values in cubic feet per second (cfs).

Common questions

When does Green River at Warren Bridge, near Daniel, WY normally run highest?
June, on the long-term record. The median daily flow that month is about 1,633.3 cfs, against 105.3 cfs in January, 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 Warren Bridge, near Daniel, WY?
It depends on the month. In January, half of days historically fall near 105.3 cfs, with the middle 80% of days between 81.5 and 144.3 cfs. The month-by-month table on this page gives the full range.
How long has Green River at Warren Bridge, near Daniel, WY been measured?
Discharge records at USGS site 09188500 begin in 1931, about 95 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 Green River at Warren Bridge, near Daniel, WY?
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 Warren Bridge, near Daniel, WY?
The gauge sits at 43.01908, -110.11886, in Wyoming, in hydrologic subbasin 14040101, at an elevation of about 7,475 feet, draining roughly 461 square miles.
Can I use Green River at Warren Bridge, near Daniel, WY 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.

Other gauges in this subbasin