USGS Streamgage 11509340
Klamath Straits Drain near Worden, OR
Klamath Straits Drain near Worden, OR is USGS streamgage 11509340 in Oregon, monitoring river discharge in hydrologic subbasin 18010204. Discharge records at this site go back to 2011. Typical flow runs near 13.7 cfs in July and 67.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Gauge elevation
- 4,082 ft
- Subbasin (HUC-8)
- 18010204
- Coordinates
- 42.08095, -121.84832
- USGS site number
- 11509340
- Records begin
- 2011-10-01 (15 years)
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 | -2 | 9.8 | 72.3 | |
| February | -1 | 26.8 | 179.7 | |
| March | 0.8 | 99 | 230.5 | |
| April | 1 | 67.4 | 179.9 | |
| May | -3.7 | 16.3 | 122 | |
| June | -3.7 | 24.1 | 123.5 | |
| July | -5.4 | 13.7 | 109 | |
| August | -5.4 | 25.4 | 90.8 | |
| September | -4.7 | 14 | 79.7 | |
| October | -2.7 | 7.9 | 59.5 | |
| November | -1.6 | 7.7 | 57.1 | |
| December | -1.6 | 12.7 | 69.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Klamath Straits Drain near Worden, OR normally run highest?
- March, on the long-term record. The median daily flow that month is about 99 cfs, against 7.7 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 Klamath Straits Drain near Worden, OR?
- It depends on the month. In January, half of days historically fall near 9.8 cfs, with the middle 80% of days between -2 and 72.3 cfs. The month-by-month table on this page gives the full range.
- How long has Klamath Straits Drain near Worden, OR been measured?
- Discharge records at USGS site 11509340 begin in 2011, about 15 years, covering roughly 5,389 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Klamath Straits Drain near Worden, OR?
- The gauge sits at 42.08095, -121.84832, in Oregon, in hydrologic subbasin 18010204, at an elevation of about 4,082 feet.
- Can I use Klamath Straits Drain near Worden, 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.
Other gauges in this subbasin
- Klamath River above Keno Dam, at Keno, OR
- Lost River at Stateline Road, near Hatfield, CA
- West Canal below Malone Dam at Langell Valley, OR
- Lost Rvr at Anderson Rose Dvrsn Dam at Malone, OR
- Klamath Straits Drain above F-Ff Pumps, Worden, OR
- Klamath Straits Drain near Highway 97, OR
- Lost River below Malone Dam at Gift Road
- Klamath River above Keno Dam, at Keno - Bottom