USGS Streamgage 14310000
Cow Creek near Riddle, OR
Cow Creek near Riddle, OR is USGS streamgage 14310000 in Oregon, monitoring river discharge in hydrologic subbasin 17100302. It sits on the Cow Creek, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 456 square miles. Discharge records at this site go back to 1950. Typical flow runs near 74.5 cfs in July and 690.2 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, alongside daily high and low water-temperature forecasts.
View live conditions & forecast →
Gauge details
- State
- Oregon
- Drainage area
- 456 sq mi
- Subbasin (HUC-8)
- 17100302
- Coordinates
- 42.92345, -123.42896
- USGS site number
- 14310000
- Records begin
- 1950-10-29 (76 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Cow Creek near Riddle, 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.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 59.4 | 61.4 | 63.2 | ||
| 58.7 | 62.1 | 67.8 | ||
| 58 | 64.4 | 76.9 | ||
| 56.2 | 62.9 | 74.4 | ||
| 54.2 | 60.8 | 71.3 | ||
| 52.3 | 58.9 | 68.8 | ||
| 50.2 | 57 | 66.3 | ||
| 48.7 | 55.6 | 64.5 | ||
| 47.7 | 54.8 | 64 | ||
| 46.5 | 53.8 | 62.9 | ||
| 45.4 | 52.6 | 61.2 | ||
| 44.5 | 51.7 | 60.2 | ||
| 43.7 | 50.7 | 59.1 | ||
| 43 | 50.6 | 59.9 |
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 72 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 | 273.1 | 1,138.5 | 4,846.5 | |
| February | 345.5 | 1,034.2 | 4,118.6 | |
| March | 356.2 | 1,029.5 | 3,232.9 | |
| April | 268.4 | 690.2 | 1,800.4 | |
| May | 147.9 | 308.8 | 664.6 | |
| June | 86.4 | 146.8 | 273.6 | |
| July | 42.5 | 74.5 | 137.3 | |
| August | 23.5 | 49.1 | 110.4 | |
| September | 25 | 53.2 | 117.1 | |
| October | 45 | 84.1 | 240.5 | |
| November | 83 | 263.1 | 1,671.9 | |
| December | 157.1 | 777.7 | 4,348.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Cow Creek near Riddle, OR normally run highest?
- January, on the long-term record. The median daily flow that month is about 1,138.5 cfs, against 49.1 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 Cow Creek near Riddle, OR?
- It depends on the month. In January, half of days historically fall near 1,138.5 cfs, with the middle 80% of days between 273.1 and 4,846.5 cfs. The month-by-month table on this page gives the full range.
- How long has Cow Creek near Riddle, OR been measured?
- Discharge records at USGS site 14310000 begin in 1950, about 76 years, covering roughly 9,201 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Cow Creek near Riddle, 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. A companion model forecasts each day's water-temperature high and low. 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 Cow Creek near Riddle, OR?
- The gauge sits at 42.92345, -123.42896, in Oregon, in hydrologic subbasin 17100302, draining roughly 456 square miles.
- Can I use Cow Creek near Riddle, 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 Cow Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Cow Creek in full.
- Cow Creek above Galesville Reservoir, near Azalea, OR 65 sq mi
- Cow Creek near Azalea, OR 78 sq mi
- Cow Creek near Riddle, OR this page