Rivermatics

USGS Streamgage 13183000

Owyhee River below Owyhee Dam, OR

Owyhee River below Owyhee Dam, OR is USGS streamgage 13183000 in Oregon, monitoring river discharge in hydrologic subbasin 17050110. It sits on the Owyhee River, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 11,160 square miles. Discharge records at this site go back to 1929. Typical flow runs near 184 cfs in July and 190.9 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
Oregon
Drainage area
11,160 sq mi
Subbasin (HUC-8)
17050110
Coordinates
43.65444, -117.25583
USGS site number
13183000
Records begin
1929-02-25 (97 years)
Rivermatics forecast
14-day flow outlook

14-day flow forecast

Based on observations through for Owyhee River below Owyhee Dam, OR. 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
114 116 117
113 116 118
113 115 119
112 115 122
111 115 124
111 115 124
110 115 126
107 115 123
104 115 123
102 114 123
97.6 114 123
96.8 114 123
96.4 114 124
91.1 113 124

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 97 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 2.2 7.4 81.3
February 2.3 8.7 834.6
March 2.8 25.7 2,972.3
April 49 190.9 4,754.3
May 92.3 211 2,309.4
June 84.4 189.3 785.2
July 87.1 184 253.5
August 59.6 168.6 240.8
September 43.1 139.7 236.6
October 4.6 53.6 194.4
November 2.3 6.8 32.8
December 2.2 7 31

All values in cubic feet per second (cfs).

Common questions

When does Owyhee River below Owyhee Dam, OR normally run highest?
May, on the long-term record. The median daily flow that month is about 211 cfs, against 6.8 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
What is a normal flow for Owyhee River below Owyhee Dam, OR?
It depends on the month. In January, half of days historically fall near 7.4 cfs, with the middle 80% of days between 2.2 and 81.3 cfs. The month-by-month table on this page gives the full range.
How long has Owyhee River below Owyhee Dam, OR been measured?
Discharge records at USGS site 13183000 begin in 1929, about 97 years, covering roughly 9,194 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
Is there a flow forecast for Owyhee River below Owyhee Dam, OR?
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 Owyhee River below Owyhee Dam, OR?
The gauge sits at 43.65444, -117.25583, in Oregon, in hydrologic subbasin 17050110, draining roughly 11,160 square miles.
Can I use Owyhee River below Owyhee Dam, OR 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 Owyhee River

Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Owyhee River in full.

Other gauges in this region