USGS Streamgage 14209250
Oak Grove Fork at Ripplebrook Campground, OR
Oak Grove Fork at Ripplebrook Campground, OR is USGS streamgage 14209250 in Oregon, monitoring river discharge in hydrologic subbasin 17090011. It sits on the Oak Grove Fork, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 141 square miles. Discharge records at this site go back to 2010. Typical flow runs near 101.6 cfs in July and 205.1 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
- 141 sq mi
- Subbasin (HUC-8)
- 17090011
- Coordinates
- 45.07981, -122.04286
- USGS site number
- 14209250
- Records begin
- 2010-10-01 (16 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Oak Grove Fork at Ripplebrook Campground, 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 |
|---|---|---|---|---|
| 287 | 299 | 322 | ||
| 283 | 306 | 332 | ||
| 276 | 311 | 350 | ||
| 248 | 310 | 344 | ||
| 198 | 310 | 349 | ||
| 146 | 304 | 348 | ||
| 118 | 296 | 344 | ||
| 107 | 292 | 345 | ||
| 95.5 | 285 | 344 | ||
| 89.8 | 280 | 346 | ||
| 85.1 | 274 | 348 | ||
| 81.4 | 269 | 349 | ||
| 78.3 | 264 | 349 | ||
| 75.2 | 256 | 349 |
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 | 60.6 | 119.3 | 725.7 | |
| February | 78.1 | 118.5 | 554.8 | |
| March | 75.4 | 128.7 | 630.6 | |
| April | 106.8 | 205.1 | 624.7 | |
| May | 88.4 | 135.4 | 730.8 | |
| June | 42.6 | 110.9 | 523.3 | |
| July | 22.8 | 101.6 | 344.4 | |
| August | 17.4 | 99 | 281.7 | |
| September | 15.3 | 98.8 | 291.9 | |
| October | 15.7 | 100.7 | 349.6 | |
| November | 21.1 | 103 | 409 | |
| December | 34.3 | 111.5 | 473.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Oak Grove Fork at Ripplebrook Campground, OR normally run highest?
- April, on the long-term record. The median daily flow that month is about 205.1 cfs, against 98.8 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Oak Grove Fork at Ripplebrook Campground, OR?
- It depends on the month. In January, half of days historically fall near 119.3 cfs, with the middle 80% of days between 60.6 and 725.7 cfs. The month-by-month table on this page gives the full range.
- How long has Oak Grove Fork at Ripplebrook Campground, OR been measured?
- Discharge records at USGS site 14209250 begin in 2010, about 16 years, covering roughly 5,789 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Oak Grove Fork at Ripplebrook Campground, 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 Oak Grove Fork at Ripplebrook Campground, OR?
- The gauge sits at 45.07981, -122.04286, in Oregon, in hydrologic subbasin 17090011, draining roughly 141 square miles.
- Can I use Oak Grove Fork at Ripplebrook Campground, 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 Oak Grove Fork
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Oak Grove Fork in full.
- Oak Grove Fork near Government Camp, OR 54 sq mi
- Oak Grove Fork above Powerplant Intake, OR 124 sq mi
- Oak Grove Fork at Ripplebrook Campground, OR this page